Walvis Bay climate by month
What the weather is like
Walvis Bay has a cold desert climate (Köppen BWk): very little rain and intense sun.
The warmest month is March, when afternoons average 21° and nights 16°. September is the coolest month, with highs of 18° and lows of 12°. The difference between the warmest and the coolest month is about 4°, a small seasonal swing typical of places tempered by the sea.
About 17 mm of precipitation falls in an average year. January is the wettest month (2 mm, 7 wet days) and June the driest (1 mm, 0 wet days). Cloud cover ranges from 7% in July to 26% in February.
The sea reaches about 18° in February. Sea temperatures lag the air by a month or two, so late summer is usually warmer for swimming than early summer.
Compared with Windhoek, the capital, Walvis Bay is 5.7° cooler on a March afternoon and receives less precipitation over the year.
Year in figures
- Hottest afternoons
- 21° · March
- Coldest nights
- 12° · September
- Wettest month
- January
- Driest month
- June
- Clearest skies
- July · 7% cloud
- Warmest sea
- 18° · February
- Longest day
- 13 h 32 min
- Shortest day
- 10 h 44 min
Twelve months at a glance
Temperature and precipitation
Daily high/low range bars, monthly precipitation columns, sea temperature lineTemperature curve
Average high, low and seaDaylight
Hours between sunrise and sunset on the 15th of each monthClimate normals month by month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high | 20° | 21° | 21° | 21° | 21° | 21° | 20° | 19° | 18° | 18° | 19° | 19° |
| Average low | 16° | 16° | 16° | 16° | 15° | 14° | 13° | 12° | 12° | 12° | 13° | 14° |
| Precipitation | 2 mm | 3 mm | 2 mm | 2 mm | 1 mm | 1 mm | 1 mm | 1 mm | 1 mm | 1 mm | 1 mm | 1 mm |
| Wet days (≥1 mm) | 7.2 | 7 | 5.3 | 1 | 0.3 | 0 | 0.3 | 0.5 | 0.5 | 0.3 | 0.5 | 4 |
| Cloud cover | 25% | 26% | 18% | 13% | 10% | 8% | 7% | 12% | 16% | 19% | 19% | 22% |
| Sea temperature | 18° | 18° | 18° | 16° | 15° | 14° | 14° | 13° | 13° | 14° | 15° | 17° |
| Daylight | 13h 23 | 12h 51 | 12h 15 | 11h 34 | 11h 01 | 10h 44 | 10h 51 | 11h 19 | 11h 57 | 12h 36 | 13h 13 | 13h 32 |
| Month score | 83 | 84 | 88 | 98 | 99 | 100 | 99 | 99 | 97 | 98 | 99 | 91 |