Climate Insights for Slangrivier

The climate in Slangrivier is temperate. The average annual temperature is 17°C and approximately 385mm of precipitation falls per year. Juni is the wettest month, receiving around 42mm of rainfall. Slangrivier 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: Januar, Februar, Dezember. The coldest months are Juli, August, Juni, when temperatures can drop to 9°C.

Slangrivier sees moderate temperature variation throughout the year, ranging from 9°C to 25°C. The warmest month is Januar, when average highs reach 25°C and the mean temperature sits around 21°C. Juli is the coolest month, with minimum temperatures around 9°C and an average of 13°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows. The sharpest temperature change occurs between March and April, with a 2°C shift in average temperatures.

Slangrivier is a quite dry location, receiving approximately 385mm of precipitation annually, which averages out to around 32mm per month. The wettest month is June, averaging 42mm of rainfall. March and September also tend to see above-average precipitation. The driest month is December, with just 22mm. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around.

Slangrivier is moderately windy, with an average annual wind speed of 23km/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 26km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in May, with average winds dropping to 18km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 8km/h gap between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 20km/h in winter, 25km/h in spring, 26km/h in summer, 21km/h in autumn.

It is currently winter in Slangrivier, which began on June 21, 2026. Slangrivier 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 Januar at around 25°C, while the coldest stretch bottoms out in Juli near 9°C. Autumn is next, beginning on March 20, 2026 — 2 days from now.

The best time to visit Slangrivier is during Januar, Februar, März, April, Mai, Oktober, November and Dezember, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 29mm per month. By contrast, Juli can be quite cold with temperatures dropping to 9°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Slangrivier 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.