Pontianak climate — normals and trends
Pontianak (Indonesia) has a tropical rainforest climate (Af) under the Köppen-Geiger classification. Its mean annual temperature is 26.3 °C and it receives 2,614 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 May (26.8 °C on average) and the coldest is January (25.7 °C). Rainfall peaks in November.
Pontianak averages 0 frost days, 137 hot days (≥ 30 °C) and 283 rainy days per year.
Pontianak has warmed by +1.3 °C between 1940 and 2025, or +0.15 °C per decade. This trend is statistically significant.
The hottest day of the period reached 34.3 °C (on 30 July 2025) and the coldest 20.6 °C (on 16 February 1949).
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
PontianakWest Kalimantan
- coords
- -0.03°, 109.33°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.3°C
Average daily high
29.5°C
Average daily low
24.2°C
Annual rainfall
2,614mm
Sunshine / day
9.4h
Mean relative humidity
86%
Average peak wind
11.6km/h
Seasonal range
1.1°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
137 d/yr
Rainy days (≥ 1 mm)
283 d/yr
Annual snowfall
0.0 cm
Average feels-like high
35.7 °C
Average feels-like low
28.8 °C
Average peak gust
23.0 km/h
Tropical nights (≥ 20 °C)
365 d/yr
Solar radiation
18.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.3 °C
since 1940
+0.2 °C per decade · r² = 0.79 · 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
34.3 °C
30 July 2025
Coldest day
20.6 °C
16 February 1949
Wettest day
162 mm
26 January 1992
Windiest day
30.9 km/h
19 February 1997
Strongest gust
55.4 km/h
9 January 2013
Hottest feels-like
42.0 °C
28 May 1998
Coldest feels-like
22.4 °C
16 February 1949
Sunniest day
11.9 h
10 February 2025
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 | 28.6 °C | -0.1 °C | 384 mm | +165 mm |
| Feb | 29.6 °C | +0.5 °C | 150 mm | -6 mm |
| Mar | 29.8 °C | +0.2 °C | 243 mm | +52 mm |
| Apr | 30.1 °C | +0.4 °C | 242 mm | +11 mm |
| May | 31.3 °C | +1.2 °C | 121 mm | -87 mm |
| Jun | 30.8 °C | +0.7 °C | 117 mm | -40 mm |
| Jul | 32.0 °C | +1.9 °C | 58 mm | -82 mm |
| Aug | 30.1 °C | -0.1 °C | 182 mm | +33 mm |
| Sep | 30.2 °C | +0.3 °C | 235 mm | +34 mm |
| Oct | 30.4 °C | +1.0 °C | 278 mm | -11 mm |
| Nov | 29.7 °C | +0.9 °C | 309 mm | -39 mm |
| Dec | 29.3 °C | +0.8 °C | 296 mm | -31 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 Pontianak?
Pontianak has a tropical rainforest climate (Köppen Af). Over 1940-2025, the average annual temperature is 26.3 °C and it receives 2,614 mm of precipitation per year.
What is the hottest day ever recorded in Pontianak?
The hottest day measured in Pontianak between 1940 and 2025 was 30 July 2025, reaching 34.3 °C.
What is the coldest day in Pontianak?
The coldest day measured in Pontianak between 1940 and 2025 was 16 February 1949, at 20.6 °C.
Does it snow in Pontianak?
Almost never: Pontianak sees virtually no snow, with about 0 frost days per year.
Has the climate of Pontianak warmed?
Yes: Pontianak warmed by +1.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Pontianak?
The wettest day measured in Pontianak between 1940 and 2025 was 26 January 1992, with 162 mm of rain in 24 hours.
What was the windiest day in Pontianak?
The windiest day measured in Pontianak between 1940 and 2025 was 19 February 1997, with winds reaching 30.9 km/h.
What is the warmest month in Pontianak?
The warmest month in Pontianak is May (26.8 °C on average); the coldest is January (25.7 °C).
How much does it rain in Pontianak?
Pontianak receives on average 2,614 mm of precipitation per year, spread over about 283 rainy days.
Is it sunny in Pontianak?
Pontianak gets on average 9.4 hours of sunshine per day, roughly 3,431 hours per year over 1940-2025.
Are there tropical nights in Pontianak?
Yes: Pontianak has on average 365 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Pontianak?
In Pontianak, between 1940 and 2025, the highest apparent temperature reached 42.0 °C on 28 May 1998, and the lowest was 22.4 °C on 16 February 1949.
Compare Pontianak with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Pontianak