Byron has a subtropical climate: hot, humid summers with heavy rain at times, and mild, sunny winters.
Season by season
Spring (September–November)
Warm, dry days and whales heading south. One of the best times to visit.
Summer (December–February)
Hot, humid and busy, with storms and the year’s highest prices.
Autumn (March–May)
Warm sea, fewer crowds after Easter; March can be wet.
Winter (June–August)
Mild, sunny days around 20 °C, cool nights and whale migration.
Month by month
| Month | Avg high / low | Wet days | Daylight | Our verdict |
|---|---|---|---|---|
| January | 28° / 20°C | ≈14 | ≈14.2 h | Peak season |
| February | 28° / 20°C | ≈15 | ≈13.4 h | Peak season |
| March | 27° / 19°C | ≈17 | ≈12.3 h | Best |
| April | 25° / 17°C | ≈15 | ≈11.2 h | Best |
| May | 23° / 14°C | ≈13 | ≈10.3 h | Good |
| June | 21° / 12°C | ≈11 | ≈9.9 h | Quiet & cheap |
| July | 20° / 11°C | ≈9 | ≈10.1 h | Quiet & cheap |
| August | 21° / 11°C | ≈7 | ≈10.8 h | Good |
| September | 23° / 13°C | ≈8 | ≈11.8 h | Good |
| October | 24° / 15°C | ≈10 | ≈12.9 h | Best |
| November | 26° / 17°C | ≈11 | ≈13.8 h | Best |
| December | 27° / 19°C | ≈12 | ≈14.4 h | Peak season |
Approximate long-term averages, rounded; daylight is the approximate time between sunrise and sunset mid-month (Sydney’s latitude). Seasons are reversed from the northern hemisphere: summer is December to February.
Festivals & events
- Easter Bluesfest, a major music festival near Byron Bay; book accommodation early.
- May–November Humpback whale migration past Cape Byron.
- Weekly Farmers’ markets in Byron and the hinterland villages.
Crowds & booking ahead
Byron is very busy in the summer holidays, at Easter and during festivals, with minimum stays and high prices. Come midweek in autumn, winter or spring for a calmer visit.
