Newcastle Weather in May
What's the weather like in Newcastle (KwaZulu-Natal) in May 2025?
The climate in Newcastle during May can be summarized as mild and dry.
May is in the fall / autumn in Newcastle and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around 22°C (72°F), whilst at night 6°C (43°F) is normal.
| Daytime temperature | 22.3°C 72.1°F |
|---|---|
| Nightly temperature | 6°C 42.7°F |
| Average temperature | 14.1°C 57.4°F |
| Daily sunshine | 8.9 hrs |
| Avg rainfall | 13 mm 0.5 ins |
| Rainy days | 3 days |
| Sea temperature | 23.2°C 73.7°F |
| Humidity | 60% |
| Windspeed | 7.2kph 5 mph |
On average May is the 3rd driest month of the year in Newcastle with around 13mm 0.5 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 8.9 hours of sunshine per day.
May temperatures in Newcastle
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 Newcastle in May 2025.
Other monthly averages
Newcastle weather stats
| Hottest month: | January | 28.4°C 83.1°F |
|---|---|---|
| Driest month: | July | 9mm 0.4ins |
| Sunniest month: | July | 9.4hrs |
| Coldest month: | June | 19.2°C 66.6°F |
| Wettest month: | January | 140mm 5.5ins |
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