Merweville Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Merweville.
Climate overview of Merweville
Merweville, in the Western Cape of South Africa, experiences significant temperature variations throughout the year. Very warm summers give way to pleasant cooler months, while the area maintains a dry climate with very low precipitation levels year-round. This remote Karoo town sits in some of South Africa's most untouched semi-desert landscape, where vast open skies and endless horizons create a sense of complete isolation. Now, let’s break down all the climate details for a clearer picture.
Merweville Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Merweville - and find the best time to visit.
Monthly Temperature in Merweville
Visitors to Merweville can expect significant temperature changes throughout the year. On average, daytime temperatures range from a very warm 33°C (91°F) in January to a pleasant 20°C (68°F) in June.
Nighttime temperatures range from 18°C (64°F) in January to 5°C (41°F) in June.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Merweville
Merweville experiences desert-like conditions in terms of precipitation with almost no rainfall, generally receiving 244 mm (9.6 in) annually. The seasons in Merweville bring significant changes in precipitation. The wettest month, March, receives moderate rainfall, with an average of 35 mm (1.4 in) of precipitation. This rainfall is distributed across 5 rainy days.
In contrast, the driest month, September, experiences much less rainfall, totaling 9.9 mm (0.4 in) over 4 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Merweville Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Merweville
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: April, May, June, July, August, September and October
- Warmest weather: January, February and December
- Seasonal pattern: Very little rainfall year-round, with very warm summers and pleasant winters
Frequently asked questions about the climate in Merweville
What is the best time to visit Merweville?
April, May, June, July, August, September and October typically offer the most optimal weather in Merweville. In contrast, January, February and March tend to have less optimal conditions. Merweville has very little rainfall year-round, with very warm summers and pleasant winters.
What temperatures can I expect in Merweville?
Daytime highs range from 20°C (68°F) in June to 33°C (91°F) in January. Nighttime lows range from 5°C (41°F) to 18°C (64°F). Temperatures vary considerably through the year.
How much rain does Merweville get?
Annual rainfall is around 244 mm (9.6 in). March is the wettest month with 35 mm (1.4 in), while September is the driest with 9.9 mm (0.4 in).
Merweville 3-Day Forecast
Merweville 3-Day Forecast
Merweville on the map
Merweville is highlighted - select any city to see its climate.
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