Climate averages 1991–2020
Kupang weather
in December.
A hot, very wet month: the 4th 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 Kupang: daytime highs average 30.4°C and nights cool to about 25.1°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 236 mm of rain on roughly 24 days, which makes December a very wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 42 min on an average December day.
The nearest other city in this atlas is Atambua (184 km away). In December its highs average 28.1°C, 2.3°C cooler than Kupang, with 226 mm of rain.
Among the 200 cities listed in Indonesia, Kupang ranks joint 3rd of 200 for the warmest December highs and 15th of 200 for the driest December (rainfall, lowest first). The mean December high of those 200 cities is 28.4°C; Kupang is 2.0°C warmer than that mean.
From December to January, average highs fall by 1.1°C to 29.3°C, and monthly rainfall rises from 236 mm to 273 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
Kupang climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.3°C24.7°C | 24.7°C | 273 | 26.8 | 12.613 h |
| February | 29.0°C24.5°C | 24.5°C | 244 | 25.4 | 12.412 h |
| March | 29.6°C24.5°C | 24.5°C | 199 | 22.6 | 12.212 h |
| April | 30.2°C24.6°C | 24.6°C | 78 | 11.0 | 11.912 h |
| May | 30.1°C24.3°C | 24.3°C | 23 | 3.7 | 11.712 h |
| June | 29.6°C23.7°C | 23.7°C | 15 | 1.9 | 11.512 h |
| July | 29.5°C22.9°C | 22.9°C | 4.2 | 1.0 | 11.612 h |
| August | 30.3°C22.5°C | 22.5°C | 1.7 | 0.5 | 11.812 h |
| September | 31.9°C23.0°C | 23.0°C | 4.2 | 0.8 | 12.012 h |
| October | 33.0°C24.3°C | 24.3°C | 18 | 3.5 | 12.312 h |
| November | 33.0°C25.4°C | 25.4°C | 73 | 10.5 | 12.613 h |
| December, selected | 30.4°C25.1°C | 25.1°C | 236 | 24.4 | 12.713 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
- Atambua in DecemberIndonesia · 184 kmHigh 28.1°C · Low 22.9°C · 226 mm rain
- Maumere in DecemberIndonesia · 231 kmHigh 29.5°C · Low 26.0°C · 220 mm rain
- Ende in DecemberIndonesia · 259 kmHigh 30.7°C · Low 25.6°C · 320 mm rain
- Dili in DecemberTimor Leste · 281 kmHigh 29.8°C · Low 24.9°C · 235 mm rain
- Labuan Bajo in DecemberIndonesia · 449 kmHigh 28.2°C · Low 24.8°C · 340 mm rain
- Baubau in DecemberIndonesia · 535 kmHigh 29.1°C · Low 25.0°C · 287 mm rain
- Bima in DecemberIndonesia · 568 kmHigh 30.2°C · Low 25.2°C · 359 mm rain
- Kendari in DecemberIndonesia · 699 kmHigh 30.2°C · Low 24.7°C · 311 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 Kupang) is explained once on the Kupang year overview and on the Sources, method and limits page.