Port Saint John’s Weather in May
What's the weather like in Port Saint John’s (Eastern Cape) in May 2025?
The climate in Port Saint John’s during May can be summarized as warm and reasonably dry.
May is in the fall / autumn in Port Saint John’s and is typically the 6th coldest month of the year. Daytime maximum temperatures average around 23°C (73°F), whilst at night 15°C (59°F) is normal.
| Daytime temperature | 23°C 73.3°F |
|---|---|
| Nightly temperature | 15.1°C 59.1°F |
| Average temperature | 19°C 66.2°F |
| Daily sunshine | 7.6 hrs |
| Avg rainfall | 58 mm 2.3 ins |
| Rainy days | 6 days |
| Sea temperature | 23.8°C 74.8°F |
| Humidity | 73% |
| Windspeed | 9.4kph 6 mph |
On average May is the 4th driest month of the year in Port Saint John’s with around 58mm 2.3 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 6 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.6 hours of sunshine per day.
May temperatures in Port Saint John’s
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 Port Saint John’s in May 2025.
Other monthly averages
Port Saint John’s weather stats
| Hottest month: | February | 25.2°C 77.4°F |
|---|---|---|
| Driest month: | June | 34mm 1.3ins |
| Sunniest month: | July | 8.1hrs |
| Coldest month: | July | 20.9°C 69.6°F |
| Wettest month: | March | 128mm 5ins |
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