Harrismith Weather in May
What's the weather like in Harrismith (Free State) in May 2025?
The climate in Harrismith during May can be summarized as mild and dry.
May is in the fall / autumn in Harrismith and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a cool 19°C (67°F), whilst at night 3°C (37°F) is normal.
| Daytime temperature | 19.3°C 66.7°F |
|---|---|
| Nightly temperature | 2.5°C 36.5°F |
| Average temperature | 10.9°C 51.6°F |
| Daily sunshine | 9 hrs |
| Avg rainfall | 18 mm 0.7 ins |
| Rainy days | 3 days |
| Sea temperature | 23.3°C 73.9°F |
| Humidity | 60% |
| Windspeed | 6.8kph 4 mph |
On average May is the 3rd driest month of the year in Harrismith with around 18mm 0.7 inches of rain making it a dry time to visit. This rainfall is typically spread over 3 days, although this may vary considerably.
On the flip side this corresponds to an average of 9 hours of sunshine per day.
May temperatures in Harrismith
May rainfall
May hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Harrismith in May 2025.
Other monthly averages
Harrismith weather stats
| Hottest month: | January | 26.3°C 79.3°F |
|---|---|---|
| Driest month: | July | 8mm 0.3ins |
| Sunniest month: | July | 9.5hrs |
| Coldest month: | June | 15.8°C 60.4°F |
| Wettest month: | January | 130mm 5.1ins |
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