The climate in Union during August can be summarized as hot, humid and very wet.
August is in the summer in Union and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a steamy 30°C (86°F), whilst at night 23°C (74°F) is normal.
Daytime temperature | 30.1°C 86.2°F |
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Nightly temperature | 23.3°C 73.9°F |
Average temperature | 26.7°C 80.1°F |
Daily sunshine | 5.9 hrs |
Avg rainfall | 525 mm 20.7 ins |
Rainy days | 19 days |
Sea temperature | 29.1°C 84.4°F |
Humidity | 84% |
Windspeed | 10.4kph 7 mph |
On average August is the wettest month of the year in Union with around 525mm 20.7 inches of rain making it a very wet time to visit. This rainfall is typically spread over 19 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.9 hours of sunshine per day.
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 Union in August 2025.
Best places to visit in August
Hottest month: | May | 32°C 89.6°F |
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Driest month: | March | 50mm 2ins |
Sunniest month: | April | 9hrs |
Coldest month: | January | 28.6°C 83.5°F |
Wettest month: | August | 525mm 20.7ins |