Australia · 30-year monthly climate averages
Based on 30 years of climate data, the most comfortable months to visit Byron Bay are August, September and October, when daytime temperatures are agreeable and rainfall is relatively low.
Byron Bay sees its warmest weather in January, when daytime highs average around 28°C, and its coolest in July (around 19°C).
Annual precipitation totals roughly 1509mm — February is typically the wettest month (~182mm) and September the driest (~52mm).
A distinctly wetter period runs from December to June — worth planning around if you prefer dry days.
🟧 avg daytime high · 🟦 dashed: avg nighttime low · bars: monthly rainfall
Daily forecast highs vs the 30-year normal — last 61 days
Each bar is one day: orange above normal, blue below.
| Month | High / Low | Rainfall | Travel rating |
|---|---|---|---|
| January | 28° / 21°C | 150mm | 👍 Good |
| February | 28° / 21°C | 182mm | 🤔 Fair |
| March | 27° / 20°C | 174mm | 👍 Good |
| April | 25° / 18°C | 158mm | 👍 Good |
| May | 22° / 15°C | 140mm | 👍 Good |
| June | 20° / 13°C | 164mm | 👍 Good |
| July | 19° / 12°C | 96mm | 👍 Good |
| August | 20° / 13°C | 71mm | 🌟 Great |
| September | 22° / 15°C | 52mm | 🌟 Great |
| October | 24° / 17°C | 89mm | 🌟 Great |
| November | 25° / 18°C | 103mm | 🌟 Great |
| December | 27° / 20°C | 130mm | 👍 Good |
January in Byron Bay is warm, with average daytime highs around 28°C (82°F) and nighttime lows near 21°C (70°F). Expect roughly 150mm of precipitation spread over about 11 rainy days, and this is one of the wetter months.
🎒 What to pack — light summer clothing · sunscreen and sunglasses · compact umbrella or rain jacket
February in Byron Bay is warm, with average daytime highs around 28°C (82°F) and nighttime lows near 21°C (70°F). Expect roughly 182mm of precipitation spread over about 12 rainy days, and this is one of the wetter months.
🎒 What to pack — light summer clothing · sunscreen and sunglasses · compact umbrella or rain jacket
March in Byron Bay is warm, with average daytime highs around 27°C (80°F) and nighttime lows near 20°C (68°F). Expect roughly 174mm of precipitation spread over about 13 rainy days, and this is one of the wetter months.
🎒 What to pack — light summer clothing · sunscreen and sunglasses · compact umbrella or rain jacket
April in Byron Bay is pleasantly warm, with average daytime highs around 25°C (76°F) and nighttime lows near 18°C (64°F). Expect roughly 158mm of precipitation spread over about 12 rainy days, and this is one of the wetter months.
🎒 What to pack — light layers · comfortable walking shoes · compact umbrella or rain jacket
May in Byron Bay is pleasantly warm, with average daytime highs around 22°C (71°F) and nighttime lows near 15°C (59°F). Expect roughly 140mm of precipitation spread over about 11 rainy days, and this is one of the wetter months.
🎒 What to pack — light layers · comfortable walking shoes · compact umbrella or rain jacket
June in Byron Bay is pleasantly warm, with average daytime highs around 20°C (67°F) and nighttime lows near 13°C (55°F). Expect roughly 164mm of precipitation spread over about 11 rainy days, and this is one of the wetter months.
🎒 What to pack — light layers · comfortable walking shoes · compact umbrella or rain jacket
July in Byron Bay is pleasantly warm, with average daytime highs around 19°C (67°F) and nighttime lows near 12°C (54°F). Expect roughly 96mm of precipitation spread over about 9 rainy days, with a moderate amount of rain.
🎒 What to pack — light layers · comfortable walking shoes
August in Byron Bay is pleasantly warm, with average daytime highs around 20°C (69°F) and nighttime lows near 13°C (55°F). Expect roughly 71mm of precipitation spread over about 6 rainy days, with a moderate amount of rain.
🎒 What to pack — light layers · comfortable walking shoes
September in Byron Bay is pleasantly warm, with average daytime highs around 22°C (72°F) and nighttime lows near 15°C (59°F). Expect roughly 52mm of precipitation spread over about 6 rainy days, with little rainfall.
🎒 What to pack — light layers · comfortable walking shoes
October in Byron Bay is pleasantly warm, with average daytime highs around 24°C (75°F) and nighttime lows near 17°C (62°F). Expect roughly 89mm of precipitation spread over about 9 rainy days, with a moderate amount of rain.
🎒 What to pack — light layers · comfortable walking shoes
November in Byron Bay is warm, with average daytime highs around 25°C (77°F) and nighttime lows near 18°C (65°F). Expect roughly 103mm of precipitation spread over about 10 rainy days, with a moderate amount of rain.
🎒 What to pack — light summer clothing · sunscreen and sunglasses
December in Byron Bay is warm, with average daytime highs around 27°C (80°F) and nighttime lows near 20°C (68°F). Expect roughly 130mm of precipitation spread over about 10 rainy days, and this is one of the wetter months.
🎒 What to pack — light summer clothing · sunscreen and sunglasses · compact umbrella or rain jacket