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Walvis Bay weather by month
Historical averages 2016–2025 · not a forecast
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When is the best time to visit Walvis Bay?
For a warm holiday, the best week has been 20–26 January (Weather Index 91). Favourable start dates for a 7-day trip run from 12 January to 27 February. February, March, May and June are warmest (21°C), June to October are driest and December has the most sun.
- Warmest
- February, March, May and June 21°C
- Coolest
- September 17°C
- Driest
- June to October 0% rain-day chance
- Wettest
- January 4% rain-day chance
- Sunniest
- December 13 hours a day
A rain day has 1 mm or more, snow included, so a short shower counts. Monthly averages below give the amounts.
Monthly averages in Walvis Bay
Walvis Bay historical monthly estimates, 2016–2025. Temperatures and sunshine are daily averages.
| Month | High (°C) | Low (°C) | Rain-day chance (%) | Expected rain days | Precipitation (mm/month) | Sunshine (hours/day) |
|---|---|---|---|---|---|---|
| January | 20.5 | 16.9 | 3.5 | 1.1 | 6.1 | 12.3 |
| February | 20.7 | 17.2 | 3.2 | 0.9 | 3.0 | 12.0 |
| March | 20.6 | 16.5 | 1.9 | 0.6 | 6.2 | 11.6 |
| April | 20.4 | 15.7 | 0.3 | 0.1 | 0.4 | 11.2 |
| May | 21.5 | 15.5 | 0.3 | 0.1 | 0.8 | 10.3 |
| June | 20.6 | 14.3 | 0.0 | 0.0 | 0.3 | 9.9 |
| July | 19.8 | 13.5 | 0.0 | 0.0 | 0.4 | 10.2 |
| August | 17.8 | 11.9 | 0.0 | 0.0 | 0.3 | 10.7 |
| September | 17.0 | 11.6 | 0.0 | 0.0 | 0.2 | 11.5 |
| October | 17.7 | 12.7 | 0.0 | 0.0 | 0.4 | 11.9 |
| November | 18.5 | 13.8 | 0.3 | 0.1 | 0.6 | 12.4 |
| December | 19.2 | 15.1 | 0.3 | 0.1 | 0.7 | 12.6 |
Each month averages its own days. Precipitation includes snow. About the data
Sources
Open-Meteo · 1 Jan 2016 – 31 Dec 2025
- Open-Meteo Historical Weather API
- Local days, 2016–2025, every year weighted equally. Each weekly chart averages its own seven days, without smoothing.
- Shading shows the 10th–90th percentile of past days, not forecast confidence.
- A rain day has at least 1 mm, snow included. The last weekly period has eight days.
- Wind is the average daytime (10:00–18:00) maximum, not gusts. Daylight is calculated from latitude. Missing readings stay blank.
- Mugginess (dew point) comes from the original daily summaries, on UTC days.
- The live two-week forecast comes from the Open-Meteo Weather Forecast API. The Weather Index does not use it.