Seaford Weather in May
What's the weather like in Seaford (South Australia) in May 2026?
The climate in Seaford during May can be summarized as mild and reasonably dry.
May is in the fall / autumn in Seaford and is typically the 5th coldest month of the year. Daytime maximum temperatures average around 18°C (65°F), whilst at night 10°C (50°F) is normal.
| Daytime temperature | 18.1°C 64.5°F |
|---|---|
| Nightly temperature | 9.8°C 49.6°F |
| Average temperature | 13.9°C 57°F |
| Daily sunshine | 5.7 hrs |
| Avg rainfall | 73 mm 2.9 ins |
| Rainy days | 8 days |
| Sea temperature | 17.4°C 63.4°F |
| Humidity | 66% |
| Windspeed | 14.4kph 9 mph |
On average May is the 3rd wettest month of the year in Seaford with around 73mm 2.9 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.7 hours of sunshine per day.
May temperatures in Seaford
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 Seaford in May 2025.
Other monthly averages
Seaford weather stats
| Hottest month: | February | 26.2°C 79.2°F |
|---|---|---|
| Driest month: | January | 17mm 0.7ins |
| Sunniest month: | January | 10.8hrs |
| Coldest month: | July | 14.5°C 58.1°F |
| Wettest month: | July | 83mm 3.3ins |
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