Jade Plant Care in Manila: Monthly Climate Guide

Manila has an indoor-first climate for Crassula ovata, with an outdoor climate-match score of 30/100. The score does not say whether a plant can live in your home. It compares the city’s outdoor normals with the climate envelope measured at quality-filtered records in the species’ native range, then separates that outdoor comparison from the care pressure on a potted indoor plant.

The useful answer is seasonal: the strongest fully suitable outdoor window is January–February, August, and October–December. A broader, marginal window is January–March, and June–December, but marginal months need day-by-day judgment and a protected, shaded position. Indoors, use the monthly calendar below to decide when to check the pot sooner or later. It is deliberately not a fixed watering schedule.

The direct climate answer for Manila

Heat is the largest mismatch in Manila. That does not mean the plant wants less light indoors; it means direct outdoor sun and hot, stagnant air require shade, acclimation, and closer observation of the pot. The city’s low-temperature signal reaches 18.9°C in the coldest part of the normal year, while the hot-temperature signal reaches 35.5°C. Those are outdoor climate values, not indoor room measurements.

The local pattern is not a generic season swap. In the 1991–2020 NASA POWER normal, December is the wettest month and April is the driest, while outdoor solar input peaks in April and bottoms out in December. For an indoor Jade Plant in Manila, those signals matter because pot drying can change even when your room temperature changes only a little.

The overall score is rounded to the nearest five. That is intentional: reanalysis grids, occurrence locations, a city’s microclimates, and the difference between outdoor weather and an actual room do not justify single-point precision.

What this local climate means for a Jade Plant

A Jade Plant stores water in its leaves and stems, so the city signal should change when you inspect the pot, not lower the threshold for watering it. Keep the plant in the brightest practical window, let a fast-draining succulent mix dry through the root zone, and use firm leaves plus compact new growth as evidence that light and watering are working together.

Seasonal light is the first local variable to watch. Crassula ovata generally needs several hours of direct indoor sun to stay compact; a bright-looking room without rays on the leaves can still leave it stretching and using water slowly. When the local solar normal falls, preserve the best window position and expect dry-down to take longer before assuming the plant needs more water.

An outdoor stay can help only after gradual acclimation and while nights remain safely above the cold limit. Move the plant into bright shade first, increase direct exposure in steps, and keep rain from repeatedly saturating the pot. In hot, humid cities, airflow and a protected position matter more than chasing an outdoor score; in colder cities, bring the plant back inside before the marginal season begins.

Outdoor climate match: 30/100

5/100 — Cold-Night Compatibility. Manila is the clearest macroclimate constraint.

0/100 — Warm-Season Heat Compatibility. Manila is the clearest macroclimate constraint.

100/100 — Outdoor Solar-Climate Compatibility. Manila sits mostly inside the occurrence-derived habitat envelope.

0/100 — Precipitation And Humidity Compatibility. Manila is the clearest macroclimate constraint.

100/100 — Seasonal-Rhythm Compatibility. Manila sits mostly inside the occurrence-derived habitat envelope.

The weighted score uses cold 30%, heat 20%, moisture 20%, light 20%, and seasonality 10%. Cold receives the largest weight because Crassula ovata is frost-sensitive and a single cold exposure can matter more than a modest mismatch in annual averages. “Light” here means outdoor solar climate, not the light at a particular windowsill.

Native climate versus Manila

The plant Climate DNA was built from 70 spatially thinned GBIF occurrence records within the POWO native range of southeastern Mozambique to the southeastern Cape Provinces. CHELSA 1981–2010 values were sampled at those coordinates, then summarized with robust percentiles so a small number of extreme records could not define the whole envelope. The city side uses the NASA POWER custom 1991–2020 climatology for a consistent long-term monthly comparison.

These comparisons describe macroclimate. Crassula ovata is a sun-adapted succulent, but regional open-sky solar radiation still cannot tell you how many hours of direct light reach a leaf through a particular window.

Month-by-month Jade Plant care calendar

The low-temperature column uses NASA POWER’s monthly minimum-average climatology, not a forecast and not a room reading. The drying column is vapor-pressure deficit calculated from the monthly temperature and relative humidity. It compares atmospheric drying pressure between months but does not measure water leaving your specific pot.

How to use the watering-pressure signal

The pressure scale is relative within Manila. A high-pressure month means the local mix of temperature, humidity, and atmospheric drying suggests checking the substrate earlier than in a low-pressure month. It never means “water now.” Pot diameter, root density, substrate, indoor heating or air conditioning, and distance from the window can easily outweigh the outdoor monthly signal.

Use the same observation loop all year: feel or probe the root zone, note the pot’s weight, look for active growth, and compare how long drying took after the previous watering. If the mix is still moist, wait. If it is dry at the depth appropriate for the pot and the plant is actively using water, water thoroughly and let the excess drain.

The 12-month climate dossier for Manila

This section expands the table into month-to-month changes. Each comparison uses only the stored 1991–2020 city normal and the occurrence-derived plant envelope; it does not infer the conditions inside a particular room.

January in Manila: low cold risk, low check pressure

Manila’s January profile pairs a 23.5°C mean with 86% humidity and 140 mm of modeled precipitation. From December to January, the mean changes -0.7°C, solar input changes +1.6 MJ/m²/day, and VPD changes +0.1 kPa. Both temperature signals remain inside the broad p10–p90 native-record envelope. Action: Growth and drying are slow; extend the observation interval instead of following a fixed watering day. For a Jade Plant, extend the dry interval and protect the brightest stable window position. Firm leaves and compact new growth are better evidence than a calendar; soft leaves in wet mix point to roots or light, not thirst.

February in Manila: low cold risk, low check pressure

For February in Manila, the climate normal reads 23.9°C, 83% relative humidity, and 19.4 MJ/m²/day of solar input. From January to February, the mean changes +0.4°C, solar input changes +2.8 MJ/m²/day, and VPD changes +0.1 kPa. Its 31.2°C heat signal exceeds the native-record p90 of 30.0°C. Action: Growth and drying are slow; extend the observation interval instead of following a fixed watering day. For a Jade Plant, extend the dry interval and protect the brightest stable window position. Firm leaves and compact new growth are better evidence than a calendar; soft leaves in wet mix point to roots or light, not thirst.

March in Manila: low cold risk, moderate check pressure

The Manila signal for March is defined by 20.1°C on the low side, 33.3°C on the high side, and 0.67 kPa VPD. From February to March, the mean changes +1.4°C, solar input changes +2.6 MJ/m²/day, and VPD changes +0.2 kPa. Its 33.3°C heat signal exceeds the native-record p90 of 30.0°C. Action: Use shade and airflow outdoors; check the mix sooner, but water only after a soil check. For a Jade Plant, keep several hours of direct indoor sun where possible and let the succulent mix dry through before watering again. Use leaf firmness and pot weight together so a seasonal climate change does not become automatic watering.

April in Manila: low cold risk, moderate check pressure

In Manila, April brings 98 mm modeled precipitation, a 75% humidity normal, and moderate pot-check pressure. From March to April, the mean changes +1.9°C, solar input changes +1.7 MJ/m²/day, and VPD changes +0.2 kPa. Its 35.4°C heat signal exceeds the native-record p90 of 30.0°C. Action: Use shade and airflow outdoors; check the mix sooner, but water only after a soil check. For a Jade Plant, keep several hours of direct indoor sun where possible and let the succulent mix dry through before watering again. Use leaf firmness and pot weight together so a seasonal climate change does not become automatic watering.

May in Manila: low cold risk, moderate check pressure

May places Manila at 27.8°C mean temperature with a slow growth signal and indoors outdoor status. From April to May, the mean changes +0.6°C, solar input changes -2.2 MJ/m²/day, and VPD changes -0.1 kPa. Its 35.5°C heat signal exceeds the native-record p90 of 30.0°C. Action: Use shade and airflow outdoors; check the mix sooner, but water only after a soil check. For a Jade Plant, keep several hours of direct indoor sun where possible and let the succulent mix dry through before watering again. Use leaf firmness and pot weight together so a seasonal climate change does not become automatic watering.

June in Manila: low cold risk, low check pressure

The practical June reading for Manila: 19.3 MJ/m²/day outdoors, 0.60 kPa VPD, and low relative check pressure. From May to June, the mean changes -0.7°C, solar input changes -2.2 MJ/m²/day, and VPD changes -0.2 kPa. Its 33.8°C heat signal exceeds the native-record p90 of 30.0°C. Action: Use shade and airflow outdoors; check the mix sooner, but water only after a soil check. For a Jade Plant, extend the dry interval and protect the brightest stable window position. Firm leaves and compact new growth are better evidence than a calendar; soft leaves in wet mix point to roots or light, not thirst.

July in Manila: low cold risk, low check pressure

Manila’s midyear July normal spans a 23.3°C low signal to a 32.3°C high signal, with 87% humidity. From June to July, the mean changes -0.8°C, solar input changes -2.5 MJ/m²/day, and VPD changes -0.2 kPa. Its 32.3°C heat signal exceeds the native-record p90 of 30.0°C. Action: Use shade and airflow outdoors; check the mix sooner, but water only after a soil check. For a Jade Plant, extend the dry interval and protect the brightest stable window position. Firm leaves and compact new growth are better evidence than a calendar; soft leaves in wet mix point to roots or light, not thirst.

August in Manila: low cold risk, low check pressure

By August, Manila records 26.1°C mean temperature, 269 mm modeled precipitation, and a slow macroclimate growth band. From July to August, the mean changes -0.2°C, solar input changes -0.9 MJ/m²/day, and VPD changes -0.0 kPa. Its 31.9°C heat signal exceeds the native-record p90 of 30.0°C. Action: Growth and drying are slow; extend the observation interval instead of following a fixed watering day. For a Jade Plant, extend the dry interval and protect the brightest stable window position. Firm leaves and compact new growth are better evidence than a calendar; soft leaves in wet mix point to roots or light, not thirst.

September in Manila: low cold risk, low check pressure

The late-season September combination in Manila is 88% humidity, 0.40 kPa VPD, and 16.8 MJ/m²/day solar input. From August to September, the mean changes -0.1°C, solar input changes +0.9 MJ/m²/day, and VPD changes 0.0 kPa. Its 32.1°C heat signal exceeds the native-record p90 of 30.0°C. Action: Use shade and airflow outdoors; check the mix sooner, but water only after a soil check. For a Jade Plant, extend the dry interval and protect the brightest stable window position. Firm leaves and compact new growth are better evidence than a calendar; soft leaves in wet mix point to roots or light, not thirst.

October in Manila: low cold risk, low check pressure

For a Manila Jade Plant, October is suitable outdoors, with low relative pot-check pressure and a 25.8°C mean. From September to October, the mean changes -0.2°C, solar input changes +0.4 MJ/m²/day, and VPD changes +0.0 kPa. Its 31.4°C heat signal exceeds the native-record p90 of 30.0°C. Action: Growth and drying are slow; extend the observation interval instead of following a fixed watering day. For a Jade Plant, extend the dry interval and protect the brightest stable window position. Firm leaves and compact new growth are better evidence than a calendar; soft leaves in wet mix point to roots or light, not thirst.

November in Manila: low cold risk, low check pressure

November shifts Manila to a slow growth signal, backed by 25.1°C mean temperature and 89% humidity. From October to November, the mean changes -0.7°C, solar input changes -0.9 MJ/m²/day, and VPD changes -0.1 kPa. Its 30.3°C heat signal exceeds the native-record p90 of 30.0°C. Action: Growth and drying are slow; extend the observation interval instead of following a fixed watering day. For a Jade Plant, extend the dry interval and protect the brightest stable window position. Firm leaves and compact new growth are better evidence than a calendar; soft leaves in wet mix point to roots or light, not thirst.

December in Manila: low cold risk, low check pressure

Closing the climate year, December in Manila shows 20.2°C on the low side, 0.34 kPa VPD, and low check pressure. From November to December, the mean changes -0.9°C, solar input changes -1.3 MJ/m²/day, and VPD changes -0.0 kPa. Both temperature signals remain inside the broad p10–p90 native-record envelope. Action: Growth and drying are slow; extend the observation interval instead of following a fixed watering day. For a Jade Plant, extend the dry interval and protect the brightest stable window position. Firm leaves and compact new growth are better evidence than a calendar; soft leaves in wet mix point to roots or light, not thirst.

How Manila differs from the other 9 cities

Within this 10-city cluster, Manila ranks #8 for overall outdoor match, #9 for cold severity, #3 for heat, #1 for annual precipitation, #1 for humidity, and #4 for solar input. These are descriptive ranks within this selected cluster, not claims about every city.

The nearest climate profile in the cluster is Jakarta, with a normalized distance of 0.442; the most contrasting profile is Dubai at 1.703. The largest mean-temperature difference from Jakarta appears in January (-3.3°C), while the largest VPD difference occurs in September (-0.5 kPa).

This nearest-neighbor table is useful when advice from another city looks tempting: it shows exactly which months and climate signals transfer reasonably and which do not.

The biggest mismatch and the first three adjustments

Heat is the largest mismatch in Manila. That does not mean the plant wants less light indoors; it means direct outdoor sun and hot, stagnant air require shade, acclimation, and closer observation of the pot. That mismatch is why the page keeps outdoor suitability separate from local care pressure: a poor outdoor cold match can coexist with a perfectly manageable indoor plant.

• Heat management: Use bright shade, airflow, and a soil check during the hottest months; heat alone is not a reason to water wet soil.
• Drying control: Track how long the pot takes to dry. Local air and ET pressure change the check interval more reliably than a weekly schedule.
• Cold protection: Treat cold nights as the hard stop: move the plant in before the first marginal month, not after visible damage.

If you are moving a plant outside, acclimate it gradually in bright shade. Reverse the move before the first marginal cold month. A forecast always outranks a climate normal for a decision on a particular day.

Confidence and limits

The plant Climate DNA confidence is high (78/100). It reflects sample size, geographic coverage across 53 quarter-degree cells, and coordinate-precision reporting. The city side uses one consistent NASA POWER source and period for every page in this cluster, which improves comparison but cannot resolve neighborhood, elevation, coastal, building, or room-level differences.

This model does not claim a physiological survival threshold. GBIF occurrence locations show where records exist; CHELSA and NASA POWER describe modeled macroclimate; neither dataset observes your plant, pot, or window. Use the result as a prioritization aid and combine it with current forecasts and direct observation.

Continue your Jade Plant plan

Start with the complete Jade Plant indoor care guide, browse the Jade Plant climate guides by city, then compare another city climate:

• Jade Plant care in Tokyo
• Jade Plant care in Seoul
• Jade Plant care in Hong Kong
• Jade Plant care in Bangkok