Climate Insights for Walvis Bay

The climate in Walvis Bay is temperate. The average annual temperature is 17°C and approximately 12mm of precipitation falls per year. January is the wettest month, receiving around 5mm of rainfall. Walvis Bay is in the Southern Hemisphere. The seasons are reversed — summer runs from December to February, while winter falls between June and August. The summer months are: May, February, January. The coldest months are September, August, October, when temperatures can drop to 12°C.

Walvis Bay has relatively stable temperatures year-round, staying within a 9°C range. May is the warmest month, though highs remain moderate at 21°C with a mean of 18°C. September is the coolest month, with minimum temperatures around 12°C and an average of 14°C. Daily temperature variation is modest, with an average difference of 5°C between highs and lows.

Walvis Bay is a quite dry location, receiving approximately 12mm of precipitation annually, which averages out to around 1mm per month. The wettest month is January, averaging 5mm of rainfall. February and March also tend to see above-average precipitation. The driest month is September, with just 0mm. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall.

Walvis Bay is moderately windy, with an average annual wind speed of 25km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is September, averaging 27km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in January, with average winds dropping to 23km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 4km/h between the calmest and windiest months.

It is currently autumn in Walvis Bay, which began on March 20, 2026. Walvis Bay is in the Southern Hemisphere, where the seasons are reversed — spring starts in September, summer in December, autumn in March, and winter in June. The warmest period peaks in May at around 21°C, while the coldest stretch bottoms out in September near 12°C. Winter is next, beginning on June 21, 2026 — 89 days from now.

The best time to visit Walvis Bay is during January, February, March, April, May, June, July, October, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 17°C with modest rainfall averaging 1mm per month. By contrast, September can be quite cold with temperatures dropping to 12°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Walvis Bay based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.