Climate averages 1991–2020
Windhoek weather
in December.
A hot, moderately wet month: the 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 Windhoek: daytime highs average 30.5°C and nights cool to about 16.7°C. By daytime temperature it is the warmest month of the year.
Expect about 64 mm of rain on roughly 8 days, which makes December a moderately wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 29 min on an average December day.
The nearest other city in this atlas is Walvis Bay (268 km away). In December its highs average 20.4°C, 10.2°C cooler than Windhoek, with 1.2 mm of rain.
Among the 3 cities listed in Namibia, Windhoek ranks 1st of 3 for the warmest December highs and 2nd of 3 for the driest December (rainfall, lowest first). The mean December high of those 3 cities is 27.1°C; Windhoek is 3.4°C warmer than that mean.
From December to January, average highs fall by 1.3°C to 29.2°C, and monthly rainfall rises from 64 mm to 131 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
Windhoek climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.2°C17.3°C | 17.3°C | 131 | 12.8 | 13.313 h |
| February | 28.1°C16.8°C | 16.8°C | 145 | 13.1 | 12.913 h |
| March | 27.0°C15.8°C | 15.8°C | 89 | 11.7 | 12.212 h |
| April | 25.4°C13.4°C | 13.4°C | 29 | 4.8 | 11.612 h |
| May | 23.3°C10.3°C | 10.3°C | 3.7 | 0.6 | 11.011 h |
| June | 20.8°C6.9°C | 6.9°C | 0.4 | 0.1 | 10.811 h |
| July | 20.6°C6.0°C | 6.0°C | 0.4 | 0.1 | 10.911 h |
| August | 23.9°C8.2°C | 8.2°C | 0.3 | 0.1 | 11.311 h |
| September | 27.9°C11.6°C | 11.6°C | 5.2 | 1.1 | 11.912 h |
| October | 30.0°C14.5°C | 14.5°C | 13 | 3.4 | 12.613 h |
| November | 30.3°C15.5°C | 15.5°C | 34 | 5.8 | 13.213 h |
| December, selected | 30.5°C16.7°C | 16.7°C | 64 | 7.9 | 13.513 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
- Walvis Bay in DecemberNamibia · 268 kmHigh 20.4°C · Low 14.5°C · 1.2 mm rain
- Rundu in DecemberNamibia · 587 kmHigh 30.4°C · Low 19.8°C · 122 mm rain
- Ondjiva in DecemberAngola · 627 kmHigh 31.1°C · Low 19.6°C · 118 mm rain
- Maun in DecemberBotswana · 716 kmHigh 31.7°C · Low 20.5°C · 101 mm rain
- Cahama in DecemberAngola · 756 kmHigh 31.4°C · Low 18.3°C · 88 mm rain
- Upington in DecemberSouth Africa · 777 kmHigh 34.7°C · Low 19.6°C · 27 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 Windhoek) is explained once on the Windhoek year overview and on the Sources, method and limits page.