Climate averages 1991–2020
Tarakan weather
in December.
A warm, very wet month: the joint 9th warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a warm month in Tarakan: daytime highs average 27.9°C and nights cool to about 24.6°C. By daytime temperature it is the joint 9th warmest of the 12 months.
Expect about 298 mm of rain on roughly 30 days, which makes December a very wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 11 h 56 min on an average December day.
The nearest other city in this atlas is Tawau (109 km away). In December its highs average 28.9°C, 1.0°C warmer than Tarakan, with 190 mm of rain.
Among the 200 cities listed in Indonesia, Tarakan ranks joint 149th of 200 for the warmest December highs and joint 63rd of 200 for the driest December (rainfall, lowest first). The mean December high of those 200 cities is 28.4°C; Tarakan is 0.6°C cooler than that mean.
From December to January, average highs fall by 0.4°C to 27.5°C, and monthly rainfall falls from 298 mm to 263 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
Tarakan climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 27.5°C24.6°C | 24.6°C | 263 | 27.0 | 12.012 h |
| February | 27.6°C24.8°C | 24.8°C | 211 | 25.1 | 12.012 h |
| March | 27.9°C24.8°C | 24.8°C | 235 | 28.5 | 12.112 h |
| April | 28.3°C24.9°C | 24.9°C | 226 | 27.9 | 12.212 h |
| May | 28.6°C25.2°C | 25.2°C | 249 | 29.3 | 12.312 h |
| June | 28.4°C25.1°C | 25.1°C | 217 | 26.9 | 12.312 h |
| July | 28.2°C24.9°C | 24.9°C | 210 | 26.8 | 12.312 h |
| August | 28.4°C24.9°C | 24.9°C | 211 | 26.5 | 12.212 h |
| September | 28.4°C24.9°C | 24.9°C | 227 | 27.2 | 12.112 h |
| October | 28.3°C24.8°C | 24.8°C | 260 | 29.3 | 12.012 h |
| November | 28.1°C24.6°C | 24.6°C | 278 | 29.0 | 12.012 h |
| December, selected | 27.9°C24.6°C | 24.6°C | 298 | 29.9 | 11.912 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
- Tawau in DecemberMalaysia · 109 kmHigh 28.9°C · Low 24.2°C · 190 mm rain
- Lahad Datu in DecemberMalaysia · 207 kmHigh 28.6°C · Low 23.8°C · 164 mm rain
- Keningau in DecemberMalaysia · 275 kmHigh 28.7°C · Low 21.5°C · 162 mm rain
- Sandakan in DecemberMalaysia · 287 kmHigh 28.5°C · Low 24.0°C · 289 mm rain
- Putatan in DecemberMalaysia · 336 kmHigh 28.3°C · Low 23.6°C · 212 mm rain
- Labuan in DecemberMalaysia · 340 kmHigh 28.5°C · Low 24.8°C · 187 mm rain
- Kota Kinabalu in DecemberMalaysia · 340 kmHigh 28.2°C · Low 23.9°C · 212 mm rain
- Bandar Seri Begawan in DecemberBrunei · 342 kmHigh 28.9°C · Low 24.0°C · 222 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 Tarakan) is explained once on the Tarakan year overview and on the Sources, method and limits page.