Climate Insights for Mossel Bay

The climate in Mossel Bay is temperate. The average annual temperature is 18°C and approximately 406mm of precipitation falls per year. Marzo is the wettest month, receiving around 45mm of rainfall. Mossel 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: Gennaio, Febbraio, Marzo. The coldest months are Luglio, Agosto, Giugno, when temperatures can drop to 12°C.

Mossel Bay sees moderate temperature variation throughout the year, ranging from 12°C to 23°C. Gennaio is the warmest month, though highs remain moderate at 23°C with a mean of 21°C. Luglio 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 4°C between highs and lows. The sharpest temperature change occurs between March and April, with a 2°C shift in average temperatures.

Mossel Bay is a relatively dry area, receiving approximately 406mm of precipitation annually, which averages out to around 34mm per month. The wettest month is March, averaging 45mm of rainfall. September and June also tend to see above-average precipitation. The driest month is December, with just 23mm. That's 21mm less than March, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around.

Mossel 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 January, averaging 27km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in May, with average winds dropping to 20km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 7km/h between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 23km/h in winter, 26km/h in spring, 26km/h in summer, 23km/h in autumn.

It is currently winter in Mossel Bay, which began on June 21, 2026. Mossel 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 Gennaio at around 23°C, while the coldest stretch bottoms out in Luglio near 12°C. Autumn is next, beginning on March 20, 2026 — 3 days from now.

The best time to visit Mossel Bay is during Gennaio, Febbraio, Marzo, Aprile, Maggio, Giugno, Settembre, Ottobre, Novembre and Dicembre, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 34mm per month. By contrast, Luglio can be quite cold with temperatures dropping to 12°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

The table below shows monthly climate averages for Mossel 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.