Subang climate — normals and trends
Subang (Indonesia) has a tropical monsoon climate (Am) under the Köppen-Geiger classification. Its mean annual temperature is 26.2 °C and it receives 2,297 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is October (27.1 °C on average) and the coldest is January (25.4 °C). Rainfall peaks in December.
Subang averages 0 frost days, 249 hot days (≥ 30 °C) and 251 rainy days per year.
Subang has warmed by +1.8 °C between 1940 and 2025, or +0.21 °C per decade. This trend is statistically significant.
The hottest day of the period reached 38.6 °C (on 30 October 1997) and the coldest 16.0 °C (on 28 May 1946).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
SubangWest Java
- coords
- -6.57°, 107.76°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.2°C
Average daily high
30.8°C
Average daily low
22.8°C
Annual rainfall
2,297mm
Sunshine / day
10.3h
Mean relative humidity
81%
Average peak wind
10.7km/h
Seasonal range
1.7°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
249 d/yr
Rainy days (≥ 1 mm)
251 d/yr
Annual snowfall
0.0 cm
Average feels-like high
36.1 °C
Average feels-like low
26.9 °C
Average peak gust
28.6 km/h
Tropical nights (≥ 20 °C)
360 d/yr
Solar radiation
19.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.8 °C
since 1940
+0.2 °C per decade · r² = 0.72 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
38.6 °C
30 October 1997
Coldest day
16.0 °C
28 May 1946
Wettest day
169 mm
25 January 2020
Windiest day
25.5 km/h
29 December 1949
Strongest gust
74.2 km/h
10 February 2001
Hottest feels-like
42.9 °C
27 March 1958
Coldest feels-like
16.7 °C
28 May 1946
Sunniest day
12.3 h
17 November 1979
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 30.3 °C | +1.2 °C | 460 mm | +151 mm |
| Feb | 30.2 °C | +1.0 °C | 299 mm | +3 mm |
| Mar | 30.6 °C | +0.7 °C | 462 mm | +160 mm |
| Apr | 30.9 °C | +0.4 °C | 320 mm | +82 mm |
| May | 31.2 °C | +0.5 °C | 294 mm | +141 mm |
| Jun | 30.7 °C | -0.1 °C | 132 mm | +46 mm |
| Jul | 31.2 °C | -0.1 °C | 32 mm | -26 mm |
| Aug | 31.1 °C | -1.0 °C | 134 mm | +91 mm |
| Sep | 32.3 °C | -0.5 °C | 122 mm | +50 mm |
| Oct | 32.8 °C | +0.3 °C | 347 mm | +185 mm |
| Nov | 31.5 °C | +0.4 °C | 341 mm | +71 mm |
| Dec | 31.1 °C | +1.1 °C | 275 mm | -34 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Subang?
Subang has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 26.2 °C and it receives 2,297 mm of precipitation per year.
What is the hottest day ever recorded in Subang?
The hottest day measured in Subang between 1940 and 2025 was 30 October 1997, reaching 38.6 °C.
What is the coldest day in Subang?
The coldest day measured in Subang between 1940 and 2025 was 28 May 1946, at 16.0 °C.
Does it snow in Subang?
Almost never: Subang sees virtually no snow, with about 0 frost days per year.
Has the climate of Subang warmed?
Yes: Subang warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Subang?
The wettest day measured in Subang between 1940 and 2025 was 25 January 2020, with 169 mm of rain in 24 hours.
What was the windiest day in Subang?
The windiest day measured in Subang between 1940 and 2025 was 29 December 1949, with winds reaching 25.5 km/h.
What is the warmest month in Subang?
The warmest month in Subang is October (27.1 °C on average); the coldest is January (25.4 °C).
How much does it rain in Subang?
Subang receives on average 2,297 mm of precipitation per year, spread over about 251 rainy days.
Is it sunny in Subang?
Subang gets on average 10.3 hours of sunshine per day, roughly 3,760 hours per year over 1940-2025.
Are there tropical nights in Subang?
Yes: Subang has on average 360 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Subang?
In Subang, between 1940 and 2025, the highest apparent temperature reached 42.9 °C on 27 March 1958, and the lowest was 16.7 °C on 28 May 1946.
Compare Subang with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Subang