December · Australia
Best time to visit Byron Bay in December Weather, crowds & prices
Weather in Byron Bay in December
Average temperature 24°C, 114 mm of rain, about 31 days with 6+ hours of sunshine and 79% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
December score
8.1/10
Ranked #1 of 12 months
- Avg temp
- 24°C
- Rainfall
- 114 mm
- Humidity
- 79%
- Days with 6h+ sun
- 31
- Crowd Density
- Peak Tourist Rush
- Average Expenses
- $$$ · Peak Season Rates ($$$)
December in Byron Bay scores 8.1/10 for beach and coastal travel - the single best month of the year. Expect around 24°C, 114 mm of rain, and roughly 31 days with 6+ hours of sunshine this month.
Byron Bay's lighthouse, surf breaks and hinterland waterfalls anchor Australia's easternmost point.
December: the best month of the year in Byron Bay
With 24°C (75°F) on average, December delivers classic beach weather: plenty of time in the water, with beach and boat plans rarely disrupted by cold.
114 mm of rain makes this a wet month here, though with about 31 days with 6+ hours of sunshine there is still bright weather between the fronts.
On our climate-comfort scale this is the top-ranked month of the year for Byron Bay at 8.1/10 — the reference point every other month on this page is measured against.
Pack light clothing, swimwear and real sun protection, a proper rain shell rather than an umbrella.
Expect peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Frequently asked
- What is the weather like in Byron Bay in December?
- In December, Byron Bay averages 24°C, 114 mm of rain, and about 31 days with 6+ hours of sunshine. Its climate-comfort score is 8.1/10.
- Is December a good time to visit Byron Bay?
- December earns a 8.1/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Byron Bay in December?
- Expect about 114 mm of rain in December. Average humidity is 79% and there are about 31 days with 6+ hours of sunshine.
Curated in Byron Bay
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Things to do in Byron Bay
Byron Bay, Australia. Live activities and tours from GetYourGuide, matched to this destination.