Climate Insights for Thembalethu

The climate in Thembalethu is warm and mild. The average annual temperature is 22°C and approximately 673mm of precipitation falls per year. Februar is the wettest month, receiving around 102mm of rainfall. Thembalethu 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, März. The coldest months are Juli, Juni, August, when temperatures can drop to 13°C.

Thembalethu sees moderate temperature variation throughout the year, ranging from 13°C to 30°C. The warmest month is Januar, when average highs reach 30°C and the mean temperature sits around 26°C. Juli is the coolest month, with minimum temperatures around 13°C and an average of 18°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs. The sharpest temperature change occurs between April and May, with a 2°C shift in average temperatures.

Thembalethu is a relatively dry area, receiving approximately 673mm of precipitation annually, which averages out to around 56mm per month. The wettest month is February, averaging 102mm of rainfall. March and January also tend to see above-average precipitation. The driest month is July, with just 14mm. That's 88mm less than February, 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.

Thembalethu is mildly breezy, with an average annual wind speed of 19km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is October, averaging 21km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in May, with average winds dropping to 16km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 5km/h between the calmest and windiest months.

It is currently winter in Thembalethu, which began on June 21, 2026. Thembalethu 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 30°C, while the coldest stretch bottoms out in Juli near 13°C. Autumn is next, beginning on March 20, 2026 — 2 days from now.

The best time to visit Thembalethu is during April, Mai, Juni, Juli, August, September, Oktober, November and Dezember, when the weather is most comfortable for travellers. During these months, average temperatures hover around 21°C with modest rainfall averaging 44mm per month. By contrast, Januar can be uncomfortably hot with temperatures reaching 30°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 Thembalethu 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.