Byron Bay Weather in March
What's the weather like in Byron Bay (New South Wales) in March 2025?
The climate in Byron Bay during March can be summarized as warm and very wet.
March is in the fall / autumn in Byron Bay and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a comfortable 27°C (80°F), whilst at night 19°C (66°F) is normal.
| Daytime temperature | 26.8°C 80.2°F |
|---|---|
| Nightly temperature | 18.9°C 65.9°F |
| Average temperature | 22.8°C 73°F |
| Daily sunshine | 7.7 hrs |
| Avg rainfall | 239 mm 9.4 ins |
| Rainy days | 14 days |
| Sea temperature | 26°C 78.8°F |
| Humidity | 67% |
| Windspeed | 15.8kph 10 mph |
On average March is the wettest month of the year in Byron Bay with around 239mm 9.4 inches of rain making it a very wet time to visit. This rainfall is typically spread over 14 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.7 hours of sunshine per day.
March temperatures in Byron Bay
March rainfall
March 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 March 2025.
Other monthly averages
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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