Climate averages 1991–2020
Pontianak weather
in December.
A hot, very wet month: the coolest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a hot month in Pontianak: daytime highs average 28.7°C and nights cool to about 23.5°C. By daytime temperature it is the coolest month of the year.
Expect about 364 mm of rain on roughly 28 days, which makes December a very wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 07 min on an average December day.
The nearest other city in this atlas is Singkawang (111 km away). In December its highs average 28.2°C, 0.5°C cooler than Pontianak, with 399 mm of rain.
Among the 200 cities listed in Indonesia, Pontianak ranks joint 101st of 200 for the warmest December highs and joint 137th of 200 for the driest December (rainfall, lowest first). The mean December high of those 200 cities is 28.4°C; Pontianak is 0.3°C warmer than that mean.
From December to January, average highs rise by 0.3°C to 29.0°C, and monthly rainfall falls from 364 mm to 259 mm.
The annual picture
December in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Pontianak climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.0°C23.4°C | 23.4°C | 259 | 24.8 | 12.112 h |
| February | 29.5°C23.6°C | 23.6°C | 173 | 19.7 | 12.112 h |
| March | 29.9°C23.8°C | 23.8°C | 199 | 23.0 | 12.112 h |
| April | 29.9°C24.0°C | 24.0°C | 256 | 27.4 | 12.112 h |
| May | 30.1°C24.2°C | 24.2°C | 225 | 24.8 | 12.112 h |
| June | 30.0°C24.1°C | 24.1°C | 170 | 19.8 | 12.112 h |
| July | 30.1°C23.8°C | 23.8°C | 149 | 17.9 | 12.112 h |
| August | 30.5°C23.9°C | 23.9°C | 141 | 17.1 | 12.112 h |
| September | 30.3°C23.7°C | 23.7°C | 191 | 20.7 | 12.112 h |
| October | 29.6°C23.6°C | 23.6°C | 309 | 27.6 | 12.112 h |
| November | 28.9°C23.5°C | 23.5°C | 386 | 29.0 | 12.112 h |
| December, selected | 28.7°C23.5°C | 23.5°C | 364 | 28.1 | 12.112 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
December in nearby cities
- Singkawang in DecemberIndonesia · 111 kmHigh 28.2°C · Low 24.0°C · 399 mm rain
- Kuching in DecemberMalaysia · 209 kmHigh 28.8°C · Low 23.6°C · 423 mm rain
- Sintang in DecemberIndonesia · 242 kmHigh 29.7°C · Low 23.2°C · 267 mm rain
- Tanjung Pandan in DecemberIndonesia · 354 kmHigh 28.2°C · Low 24.6°C · 356 mm rain
- Sibu in DecemberMalaysia · 379 kmHigh 29.2°C · Low 23.0°C · 344 mm rain
- Pangkalanbuun in DecemberIndonesia · 390 kmHigh 29.2°C · Low 23.5°C · 294 mm rain
- Sungailiat in DecemberIndonesia · 410 kmHigh 28.2°C · Low 24.4°C · 378 mm rain
- Pangkalpinang in DecemberIndonesia · 426 kmHigh 28.4°C · Low 24.1°C · 360 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Pontianak) is explained once on the Pontianak year overview and on the Sources, method and limits page.