Climate Insights for Walvis Bay

The climate in Walvis Bay is warm and mild. The average annual temperature is 18°C and approximately 19mm of precipitation falls per year. March is the wettest month, receiving around 4mm 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, March, July. The coldest months are September, August, October, when temperatures can drop to 12°C.

Walvis Bay sees moderate temperature variation throughout the year, ranging from 12°C to 24°C. May is the warmest month, though highs remain moderate at 24°C with a mean of 19°C. September is the coolest month, with minimum temperatures around 12°C and an average of 16°C. Daily temperature variation is modest, with an average difference of 7°C between highs and lows. The sharpest temperature change occurs between July and August, with a 2°C shift in average temperatures.

Walvis Bay is a quite dry location, receiving approximately 19mm of precipitation annually, which averages out to around 2mm per month. The wettest month is March, averaging 4mm of rainfall. February and January also tend to see above-average precipitation. The driest month is June, 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 relatively calm, with an average annual wind speed of 4km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is July, averaging 5km/h, though still comfortable for most outdoor activities. The calmest conditions occur in January, with average winds dropping to 4km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 1km/h between the calmest and windiest months.

It is currently winter in Walvis Bay, which began on June 21, 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 24°C, while the coldest stretch bottoms out in September near 12°C. Spring is next, beginning on September 23, 2026 — 93 days from now.

The best time to visit Walvis Bay is during January, February, March, April, May, June, July, August, September, October, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 2mm per month. 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.