Climate Insights for Mariental Airport

The climate in Mariental Airport is warm and mild. The average annual temperature is 23°C and approximately 168mm of precipitation falls per year. February is the wettest month, receiving around 50mm of rainfall. Mariental 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: January, December, November. The coldest months are July, June, August, when temperatures can drop to 7°C.

Temperatures in Mariental Airport vary considerably across the year, with a 29°C difference between the coldest and warmest months. January is the hottest month, with daytime highs reaching 36°C and an average of 29°C. July is the coolest month, with minimum temperatures around 7°C and an average of 15°C. On average, daily temperatures fluctuate by about 15°C between overnight lows and afternoon highs. The sharpest temperature change occurs between August and September, with a 5°C shift in average temperatures.

Mariental Airport is a quite dry location, receiving approximately 168mm of precipitation annually, which averages out to around 14mm per month. The wettest month is February, averaging 50mm of rainfall. January and December also tend to see above-average precipitation. The driest month is August, with just 0mm. That's 50mm 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.

Mariental Airport is relatively calm, with an average annual wind speed of 4km/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 4km/h, though still comfortable for most outdoor activities. The calmest conditions occur in April, with average winds dropping to 3km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 1km/h between the calmest and windiest months.

It is currently winter in Mariental Airport, which began on June 21, 2026. Mariental 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 January at around 36°C, while the coldest stretch bottoms out in July near 7°C. Spring is next, beginning on September 23, 2026 — 93 days from now.

The best time to visit Mariental Airport is during April, May, June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 3mm per month. By contrast, January can be uncomfortably hot with temperatures reaching 36°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Mariental 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.