Climate averages 1991–2020
Windhoek weather
in May.
A warm, very dry month: the 10th warmest and the 4th driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
May is a warm month in Windhoek: daytime highs average 23.3°C and nights cool to about 10.3°C. By daytime temperature it is the 10th warmest of the 12 months.
Expect about 3.7 mm of rain on fewer than one day, which makes May a very dry month (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 03 min on an average May day.
The nearest other city in this atlas is Walvis Bay (268 km away). In May its highs average 21.3°C, 2.0°C cooler than Windhoek, with 1.0 mm of rain.
Among the 3 cities listed in Namibia, Windhoek ranks 2nd of 3 for the warmest May highs and 3rd of 3 for the driest May (rainfall, lowest first). The mean May high of those 3 cities is 24.0°C; Windhoek is 0.7°C cooler than that mean.
From May to June, average highs fall by 2.5°C to 20.8°C, and monthly rainfall falls from 3.7 mm to under 1 mm.
The annual picture
May 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, selected | 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 | 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
May in nearby cities
- Walvis Bay in MayNamibia · 268 kmHigh 21.3°C · Low 14.1°C · 1.0 mm rain
- Rundu in MayNamibia · 587 kmHigh 27.5°C · Low 13.8°C · 0.6 mm rain
- Ondjiva in MayAngola · 627 kmHigh 29.0°C · Low 15.5°C · 0.6 mm rain
- Maun in MayBotswana · 716 kmHigh 27.6°C · Low 12.9°C · 2.3 mm rain
- Cahama in MayAngola · 756 kmHigh 29.9°C · Low 15.1°C · 0.8 mm rain
- Upington in MaySouth Africa · 777 kmHigh 24.1°C · Low 10.8°C · 12 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.