Climate averages 1991–2020
Sintang weather
in December.
A hot, very wet month: the 11th warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a hot month in Sintang: daytime highs average 29.7°C and nights cool to about 23.2°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 267 mm of rain on roughly 28 days, which makes December a very wet month (the 9th 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 Kuching (210 km away). In December its highs average 28.8°C, 0.9°C cooler than Sintang, with 423 mm of rain.
Among the 200 cities listed in Indonesia, Sintang ranks joint 21st of 200 for the warmest December highs and 38th of 200 for the driest December (rainfall, lowest first). The mean December high of those 200 cities is 28.4°C; Sintang is 1.3°C warmer than that mean.
From December to January, average highs fall by 0.1°C to 29.6°C, and monthly rainfall rises from 267 mm to 277 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
Sintang climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.6°C23.1°C | 23.1°C | 277 | 26.7 | 12.112 h |
| February | 29.8°C23.2°C | 23.2°C | 231 | 23.2 | 12.112 h |
| March | 30.2°C23.5°C | 23.5°C | 266 | 26.9 | 12.112 h |
| April | 30.2°C23.7°C | 23.7°C | 266 | 27.5 | 12.112 h |
| May | 30.2°C23.9°C | 23.9°C | 243 | 24.9 | 12.112 h |
| June | 30.0°C23.7°C | 23.7°C | 186 | 20.0 | 12.112 h |
| July | 30.0°C23.3°C | 23.3°C | 160 | 17.5 | 12.112 h |
| August | 30.6°C23.4°C | 23.4°C | 165 | 17.5 | 12.112 h |
| September | 30.5°C23.4°C | 23.4°C | 237 | 21.7 | 12.112 h |
| October | 30.2°C23.3°C | 23.3°C | 313 | 27.8 | 12.112 h |
| November | 29.9°C23.3°C | 23.3°C | 318 | 28.6 | 12.112 h |
| December, selected | 29.7°C23.2°C | 23.2°C | 267 | 28.2 | 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
- Kuching in DecemberMalaysia · 210 kmHigh 28.8°C · Low 23.6°C · 423 mm rain
- Pontianak in DecemberIndonesia · 242 kmHigh 28.7°C · Low 23.5°C · 364 mm rain
- Sibu in DecemberMalaysia · 251 kmHigh 29.2°C · Low 23.0°C · 344 mm rain
- Singkawang in DecemberIndonesia · 295 kmHigh 28.2°C · Low 24.0°C · 399 mm rain
- Pangkalanbuun in DecemberIndonesia · 306 kmHigh 29.2°C · Low 23.5°C · 294 mm rain
- Sampit in DecemberIndonesia · 331 kmHigh 29.8°C · Low 23.6°C · 286 mm rain
- Palangkaraya in DecemberIndonesia · 369 kmHigh 29.9°C · Low 23.3°C · 297 mm rain
- Bintulu in DecemberMalaysia · 385 kmHigh 29.3°C · Low 23.3°C · 348 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 Sintang) is explained once on the Sintang year overview and on the Sources, method and limits page.