Byron Bay Weather in August
What's the weather like in Byron Bay (New South Wales) in August 2025?
The climate in Byron Bay during August can be summarized as mild and a little damp.
August is in the winter in Byron Bay and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around 21°C (69°F), whilst at night 10°C (50°F) is normal.
| Daytime temperature | 20.7°C 69.3°F |
|---|---|
| Nightly temperature | 9.7°C 49.5°F |
| Average temperature | 15.2°C 59.4°F |
| Daily sunshine | 8.6 hrs |
| Avg rainfall | 93 mm 3.7 ins |
| Rainy days | 9 days |
| Sea temperature | 21.2°C 70.1°F |
| Humidity | 56% |
| Windspeed | 15.1kph 9 mph |
On average August is the 2nd driest month of the year in Byron Bay with around 93mm 3.7 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.6 hours of sunshine per day.
August temperatures in Byron Bay
August rainfall
August 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 Byron Bay in August 2025.
Other monthly averages
Best places to visit in August
Byron Bay weather stats
| Hottest month: | January | 27.4°C 81.3°F |
|---|---|---|
| Driest month: | September | 62mm 2.4ins |
| Sunniest month: | August | 8.6hrs |
| Coldest month: | July | 19.5°C 67.1°F |
| Wettest month: | March | 239mm 9.4ins |
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