Climate Insights for Welkom Airport

The climate in Welkom Airport is warm and mild. The average annual temperature is 18°C and approximately 518mm of precipitation falls per year. Februar is the wettest month, receiving around 87mm of rainfall. Welkom Airport 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: Dezember, Januar, November. The coldest months are Juli, Juni, August, when temperatures can drop to 1°C.

Temperatures in Welkom Airport vary considerably across the year, with a 30°C difference between the coldest and warmest months. The warmest month is Dezember, when average highs reach 31°C and the mean temperature sits around 24°C. Juli is the coolest month, with minimum temperatures around 1°C and an average of 10°C. The average daily temperature swing is 16°C, meaning significant differences between daytime and nighttime temperatures. The sharpest temperature change occurs between August and September, with a 5°C shift in average temperatures.

Welkom Airport is a relatively dry area, receiving approximately 518mm of precipitation annually, which averages out to around 43mm per month. The wettest month is February, averaging 87mm of rainfall. January and December also tend to see above-average precipitation. The driest month is August, with just 8mm. That's 79mm 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.

Welkom Airport is mildly breezy, with an average annual wind speed of 17km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is November, averaging 21km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in May, with average winds dropping to 13km/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 15km/h in winter, 20km/h in spring, 19km/h in summer, 15km/h in autumn.

It is currently winter in Welkom Airport, which began on June 21, 2026. Welkom Airport 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 Dezember at around 31°C, while the coldest stretch bottoms out in Juli near 1°C. Autumn is next, beginning on March 20, 2026 — 2 days from now.

The best time to visit Welkom Airport is during Januar, Februar, März, April, 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 59mm per month. By contrast, Juli can be quite cold with temperatures dropping to 1°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 Welkom Airport 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.