Climate Insights for Stellenbosch

The climate in Stellenbosch is temperate. The average annual temperature is 16°C and approximately 708 mm of precipitation falls per year. June is the wettest month, receiving around 150 mm of rainfall. Stellenbosch 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: February, January, December. The coldest months are August, July, June, when temperatures can drop to 9°C.The climate in Stellenbosch is temperate. The average annual temperature is 62°F and approximately 27.9 in of precipitation falls per year. June is the wettest month, receiving around 5.9 in of rainfall. Stellenbosch 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: February, January, December. The coldest months are August, July, June, when temperatures can drop to 48°F.

Stellenbosch sees moderate temperature variation throughout the year, ranging from 9°C to 25°C. The warmest month is February, when average highs reach 25°C and the mean temperature sits around 21°C. August is the coolest month, with minimum temperatures around 9°C and an average of 12°C. Daily temperature variation is modest, with an average difference of 7°C between highs and lows. The sharpest temperature change occurs between September and October, with a 2°C shift in average temperatures.Stellenbosch sees moderate temperature variation throughout the year, ranging from 48°F to 77°F. The warmest month is February, when average highs reach 77°F and the mean temperature sits around 70°F. August is the coolest month, with minimum temperatures around 48°F and an average of 54°F. Daily temperature variation is modest, with an average difference of 13°F between highs and lows. The sharpest temperature change occurs between September and October, with a 4°F shift in average temperatures.

Stellenbosch is a relatively dry area, receiving approximately 708 mm of precipitation annually, which averages out to around 59 mm per month. The wettest month is June, averaging 150 mm of rainfall. July and August also tend to see above-average precipitation. The driest month is February, with just 13 mm. That's 137 mm less than June, 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.Stellenbosch is a relatively dry area, receiving approximately 27.9 in of precipitation annually, which averages out to around 2.3 in per month. The wettest month is June, averaging 5.9 in of rainfall. July and August also tend to see above-average precipitation. The driest month is February, with just 0.5 in. That's 5.4 in less than June, 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.

Stellenbosch is mildly breezy, with an average annual wind speed of 14km/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 17km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 11km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 6km/h gap between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 13km/h in winter, 15km/h in spring, 16km/h in summer, 13km/h in autumn.Stellenbosch is moderately windy, with an average annual wind speed of 9mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is January, averaging 10mph, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in May, with average winds dropping to 7mph, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 3mph gap between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 8mph in winter, 9mph in spring, 10mph in summer, 8mph in autumn.

The best time to visit Stellenbosch is during January, February, March, April, October, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 29 mm per month. By contrast, August 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 best time to visit Stellenbosch is during January, February, March, April, October, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 66°F with modest rainfall averaging 1.1 in per month. By contrast, August can be quite cold with temperatures dropping to 48°F. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

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