Climate averages 1991–2020
Samarinda weather
in December.
A hot, very wet month: the 9th warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a hot month in Samarinda: daytime highs average 29.7°C and nights cool to about 23.3°C. By daytime temperature it is the 9th warmest of the 12 months.
Expect about 315 mm of rain on roughly 29 days, which makes December a very wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 12 h 09 min on an average December day.
The nearest other city in this atlas is Loa Janan (12 km away). In December its highs average 29.8°C, about as warm as Samarinda, with 298 mm of rain.
Among the 200 cities listed in Indonesia, Samarinda ranks joint 21st of 200 for the warmest December highs and joint 82nd of 200 for the driest December (rainfall, lowest first). The mean December high of those 200 cities is 28.4°C; Samarinda is 1.3°C warmer than that mean.
From December to January, average highs stay level at 29.6°C, and monthly rainfall falls from 315 mm to 279 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
Samarinda climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.6°C23.2°C | 23.2°C | 279 | 25.9 | 12.112 h |
| February | 29.9°C23.3°C | 23.3°C | 240 | 22.8 | 12.112 h |
| March | 30.0°C23.4°C | 23.4°C | 299 | 26.6 | 12.112 h |
| April | 30.1°C23.6°C | 23.6°C | 310 | 27.2 | 12.112 h |
| May | 30.0°C23.7°C | 23.7°C | 260 | 28.5 | 12.112 h |
| June | 29.6°C23.5°C | 23.5°C | 227 | 25.9 | 12.112 h |
| July | 29.4°C23.2°C | 23.2°C | 186 | 23.6 | 12.112 h |
| August | 30.0°C23.3°C | 23.3°C | 160 | 20.5 | 12.112 h |
| September | 30.6°C23.4°C | 23.4°C | 173 | 21.3 | 12.112 h |
| October | 30.6°C23.5°C | 23.5°C | 226 | 25.5 | 12.112 h |
| November | 30.0°C23.4°C | 23.4°C | 290 | 28.2 | 12.112 h |
| December, selected | 29.7°C23.3°C | 23.3°C | 315 | 29.1 | 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
- Loa Janan in DecemberIndonesia · 12 kmHigh 29.8°C · Low 23.5°C · 298 mm rain
- Nusantara in DecemberIndonesia · 72 kmHigh 29.5°C · Low 23.5°C · 349 mm rain
- Bontang in DecemberIndonesia · 79 kmHigh 29.1°C · Low 24.1°C · 248 mm rain
- Balikpapan in DecemberIndonesia · 93 kmHigh 28.4°C · Low 24.1°C · 268 mm rain
- Majene in DecemberIndonesia · 395 kmHigh 28.1°C · Low 25.3°C · 187 mm rain
- Palangkaraya in DecemberIndonesia · 407 kmHigh 29.9°C · Low 23.3°C · 297 mm rain
- Martapura in DecemberIndonesia · 412 kmHigh 29.2°C · Low 23.5°C · 390 mm rain
- Banjarbaru in DecemberIndonesia · 416 kmHigh 29.1°C · Low 23.4°C · 390 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 Samarinda) is explained once on the Samarinda year overview and on the Sources, method and limits page.