| Swellendam normally receives about 462mm of rain per year, with rainfall occuring throughout the year. The chart below (lower left) shows the average rainfall values for Swellendam per month. It receives the lowest rainfall (23mm) in December and the highest (48mm) in August. The monthly distribution of average daily maximum temperatures (centre chart below) shows that the average midday temperatures for Swellendam range from 17.1°C in July to 27.5°C in January. The region is the coldest during July when the mercury drops to 5°C on average during the night. Consult the chart below (lower right) for an indication of the monthly variation of average minimum daily temperatures. |
| Move mouse over chart bars for monthly values |
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Average rainfall (mm)
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Average midday temperature (°C)
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Average night-time temperature (°C)
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