Climate Insights for Plettenberg Bay

The climate in Plettenberg Bay is temperate. The average annual temperature is 10°C and approximately 212mm of precipitation falls per year. December is the wettest month, receiving around 33mm of rainfall. Plettenberg 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: April, May, March. The coldest months are July, June, March, when temperatures can drop to 2°C. Light snow can occur between March and March.

Temperatures in Plettenberg Bay vary considerably across the year, with a 23°C difference between the coldest and warmest months. The warmest month is April, when average highs reach 25°C and the mean temperature sits around 18°C. July is the coolest month, with minimum temperatures around 2°C and an average of 5°C. Daily temperature variation is modest, with an average difference of 7°C between highs and lows. The sharpest temperature change occurs between March and April, with a 8°C shift in average temperatures.

Plettenberg Bay is a quite dry location, receiving approximately 212mm of precipitation annually, which averages out to around 18mm per month. The wettest month is January, averaging 33mm of rainfall. February and March also tend to see above-average precipitation. The driest month is June, with just 0mm. That's 33mm less than January, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic. Light snowfall can occur between March and March, totalling around 6cm annually. March is the snowiest month with approximately 5cm.

Plettenberg Bay is relatively calm, with an average annual wind speed of 6km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is December, averaging 12km/h, though still comfortable for most outdoor activities. The calmest conditions occur in March, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 10km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans. Wind tends to pick up during the summer months. The seasonal averages are 4km/h in winter, 6km/h in spring, 8km/h in summer, 4km/h in autumn.

It is currently winter in Plettenberg Bay, which began on June 21, 2026. Plettenberg 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 April at around 25°C, while the coldest stretch bottoms out in July near 2°C. Spring is next, beginning on September 23, 2026 (16 days from now).

The best time to visit Plettenberg Bay is during April, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 3mm per month. By contrast, July can be quite cold with temperatures dropping to 2°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Plettenberg 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. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. 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.