Plan your trip
The best time to visit Byron Bay
Byron Bay averages daytime highs of 23°C and overnight lows around 17°C across the year. Here's when to go — season by season and month by month — based on a decade of climate data.
In short
- 🌤️ Best overall: September, August, July — the most comfortable, driest stretch.
- 🔥 Hottest: January (~27°C) · Coolest: June (~19°C)
- 🌧️ Wettest: March · Driest: September
- 💸 Quietest / best value: the autumn and spring shoulder seasons (outside the Dec–Jan holidays).
12°C Cloudy in Byron Bay
Winter · H 19° / L 11° · Cosy season — warm up indoors.
Hottest month
January
avg high 27°C
Coolest month
June
avg high 19°C
Wettest month
March
~200mm
Driest month
September
~54mm
Our pick
For the best balance of comfortable weather and fewer wet days, aim for September, August, July. If you don't mind the heat, January is peak summer; for cooler, quieter exploring, June is the mildest stretch. Whatever month you choose, check what's on and our 48-hour itinerary.
Byron Bay season by season
What each season is actually like — and what it's best for.
Summer in Byron Bay
December – February
Summer is warm in Byron Bay — average highs around 27°C, overnight lows near 21°C, and about 434mm of rain across the season (wet). Beach days, early starts and long evenings out — pack sun protection, a hat and water.
Autumn in Byron Bay
March – May
Autumn is warm in Byron Bay — average highs around 24°C, overnight lows near 18°C, and about 402mm of rain across the season (wet). Mild, settled days make this prime time for walks, wine country, markets and leisurely lunches.
Winter in Byron Bay
June – August
Winter is mild in Byron Bay — average highs around 19°C, overnight lows near 12°C, and about 208mm of rain across the season (moderate rain). Cosy season — lean into cafes, museums, galleries and snug pubs; bring a few layers.
Peak season & crowds
Byron Bay is busiest — and accommodation priciest — over the December–January summer school holidays around Christmas and New Year, plus long weekends and major events. For thinner crowds and better value, the autumn (March – May) and spring (September – November) shoulder seasons are the sweet spot — mild weather without the peak-season squeeze. Book ahead if you're visiting around a festival; see what's on to plan around it.
Byron Bay weather month by month
Average daily high & low temperature and total monthly rainfall.
| Month | Season | High | Low | Rainfall |
|---|---|---|---|---|
| January | Summer | 27°C | 22°C | 110mm |
| February | Summer | 27°C | 21°C | 196mm |
| March | Autumn | 26°C | 21°C | 200mm |
| April | Autumn | 24°C | 18°C | 100mm |
| May | Autumn | 22°C | 15°C | 102mm |
| June | Winter | 19°C | 13°C | 93mm |
| July | Winter | 19°C | 12°C | 59mm |
| August | Winter | 20°C | 12°C | 56mm |
| September | Spring | 22°C | 14°C | 54mm |
| October | Spring | 24°C | 17°C | 91mm |
| November | Spring | 25°C | 19°C | 90mm |
| December | Summer | 26°C | 20°C | 128mm |
Source: Open-Meteo historical climate data, 10-year averages (2014–2023). Day-to-day weather varies — check the current forecast before you travel.
Best time to visit Byron Bay — FAQs
When is the best time to visit Byron Bay?+
September, August, July generally offer Byron Bay's most comfortable mix of pleasant temperatures and fewer wet days. The warmest month is January (average high 27°C) and the coolest is June (average high 19°C).
What is the hottest month in Byron Bay?+
January is the hottest month in Byron Bay, with average daytime highs around 27°C.
What is the coldest month in Byron Bay?+
June is the coolest month, with average highs near 19°C and overnight lows around 13°C.
What is the wettest month in Byron Bay?+
March is typically the wettest month (about 200mm of rain on average), while September is the driest at around 54mm.
When is the cheapest, quietest time to visit Byron Bay?+
The shoulder seasons — autumn (March – May) and spring (September – November) — are usually quieter and better value than the summer peak. The busiest, priciest stretch is the December–January school-holiday period around Christmas and New Year.
What is summer like in Byron Bay?+
Summer (December – February) is warm in Byron Bay, averaging highs near 27°C and lows around 21°C, with roughly 434mm of rain across the season.
What is winter like in Byron Bay?+
Winter (June – August) is mild in Byron Bay, with average highs around 19°C and overnight lows near 12°C.
How many days do you need in Byron Bay?+
Two to three days covers the highlights — see our 48-hour itinerary for a ready-made plan — while four or more lets you explore the suburbs and day trips at a relaxed pace.