Mount Barker Weather in May
What's the weather like in Mount Barker (South Australia) in May 2026?
The climate in Mount Barker during May can be summarized as mild and reasonably dry.
May is in the fall / autumn in Mount Barker and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a cool 18°C (64°F), whilst at night 7°C (45°F) is normal.
| Daytime temperature | 17.8°C 64°F |
|---|---|
| Nightly temperature | 7.2°C 45°F |
| Average temperature | 12.5°C 54.5°F |
| Daily sunshine | 5.5 hrs |
| Avg rainfall | 67 mm 2.6 ins |
| Rainy days | 8 days |
| Sea temperature | 17.4°C 63.4°F |
| Humidity | 67% |
| Windspeed | 11.2kph 7 mph |
On average May is the 3rd wettest month of the year in Mount Barker with around 67mm 2.6 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 5.5 hours of sunshine per day.
May temperatures in Mount Barker
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 Mount Barker in May 2025.
Other monthly averages
Mount Barker weather stats
| Hottest month: | February | 27.6°C 81.7°F |
|---|---|---|
| Driest month: | January | 22mm 0.9ins |
| Sunniest month: | February | 10hrs |
| Coldest month: | July | 13.9°C 57°F |
| Wettest month: | August | 79mm 3.1ins |
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