Cullinan Weather in May
What's the weather like in Cullinan (Gauteng) in May 2025?
The climate in Cullinan during May can be summarized as mild and very dry.
May is in the fall / autumn in Cullinan and is typically the 4th coldest month of the year. Daytime maximum temperatures average around 22°C (71°F), whilst at night 6°C (43°F) is normal.
| Daytime temperature | 21.5°C 70.6°F |
|---|---|
| Nightly temperature | 6°C 42.7°F |
| Average temperature | 13.7°C 56.7°F |
| Daily sunshine | 9.8 hrs |
| Avg rainfall | 10 mm 0.4 ins |
| Rainy days | 2 days |
| Sea temperature | 22.6°C 72.8°F |
| Humidity | 57% |
| Windspeed | 6.8kph 4 mph |
On average May is the 4th driest month of the year in Cullinan with around 10mm 0.4 inches of rain making it a very dry time to visit.
On the flip side this corresponds to an average of 9.8 hours of sunshine per day.
May temperatures in Cullinan
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 Cullinan in May 2025.
Other monthly averages
Cullinan weather stats
| Hottest month: | January | 27.1°C 80.8°F |
|---|---|---|
| Driest month: | July | 5mm 0.2ins |
| Sunniest month: | July | 10.2hrs |
| Coldest month: | June | 18°C 64.4°F |
| Wettest month: | January | 129mm 5.1ins |
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