Climate averages 1991–2020
Atambua weather
in December.
A hot, very wet month: the 9th warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a hot month in Atambua: daytime highs average 28.1°C and nights cool to about 22.9°C. By daytime temperature it is the 9th warmest of the 12 months.
Expect about 226 mm of rain on roughly 25 days, which makes December a very wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 39 min on an average December day.
The nearest other city in this atlas is Dili (96 km away). In December its highs average 29.8°C, 1.7°C warmer than Atambua, with 235 mm of rain.
Among the 200 cities listed in Indonesia, Atambua ranks joint 137th of 200 for the warmest December highs and 11th of 200 for the driest December (rainfall, lowest first). The mean December high of those 200 cities is 28.4°C; Atambua is 0.3°C cooler than that mean.
From December to January, average highs fall by 1.0°C to 27.1°C, and monthly rainfall rises from 226 mm to 295 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
Atambua climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 27.1°C22.6°C | 22.6°C | 295 | 28.1 | 12.613 h |
| February | 26.9°C22.4°C | 22.4°C | 262 | 25.7 | 12.412 h |
| March | 27.6°C22.2°C | 22.2°C | 208 | 23.0 | 12.212 h |
| April | 28.4°C22.0°C | 22.0°C | 102 | 14.2 | 11.912 h |
| May | 28.7°C21.7°C | 21.7°C | 48 | 7.2 | 11.712 h |
| June | 28.5°C20.9°C | 20.9°C | 27 | 3.9 | 11.612 h |
| July | 28.6°C20.1°C | 20.1°C | 13 | 2.7 | 11.612 h |
| August | 29.6°C19.9°C | 19.9°C | 6.6 | 1.2 | 11.812 h |
| September | 31.0°C20.7°C | 20.7°C | 9.1 | 1.7 | 12.012 h |
| October | 31.6°C22.0°C | 22.0°C | 18 | 3.9 | 12.312 h |
| November | 30.7°C23.0°C | 23.0°C | 70 | 10.4 | 12.513 h |
| December, selected | 28.1°C22.9°C | 22.9°C | 226 | 24.6 | 12.613 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
- Dili in DecemberTimor Leste · 96 kmHigh 29.8°C · Low 24.9°C · 235 mm rain
- Kupang in DecemberIndonesia · 184 kmHigh 30.4°C · Low 25.1°C · 236 mm rain
- Maumere in DecemberIndonesia · 300 kmHigh 29.5°C · Low 26.0°C · 220 mm rain
- Ende in DecemberIndonesia · 356 kmHigh 30.7°C · Low 25.6°C · 320 mm rain
- Baubau in DecemberIndonesia · 477 kmHigh 29.1°C · Low 25.0°C · 287 mm rain
- Labuan Bajo in DecemberIndonesia · 554 kmHigh 28.2°C · Low 24.8°C · 340 mm rain
- Kendari in DecemberIndonesia · 628 kmHigh 30.2°C · Low 24.7°C · 311 mm rain
- Bima in DecemberIndonesia · 681 kmHigh 30.2°C · Low 25.2°C · 359 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 Atambua) is explained once on the Atambua year overview and on the Sources, method and limits page.