Climate guide for Byron Bay, Australia

Byron Bay in May

Weather, crowds & best time to visit

How to read the score (0–10)
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May · Australia

Best time to visit Byron Bay in May Weather, crowds & prices

Weather in Byron Bay in May

Average temperature 21°C, 98 mm of rain, about 7 days with 6+ hours of sunshine and 74% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

May score

5.4/10

Ranked #11 of 12 months

Full year for Byron Bay
Avg temp
21°C
Rainfall
98 mm
Humidity
74%
Days with 6h+ sun
7
Crowd Density
Quiet / Uncrowded
Average Expenses
$ · Budget Friendly ($)

May in Byron Bay scores 5.4/10 for beach and coastal travel - ranked #11 of 12. Expect around 21°C, 98 mm of rain, and roughly 7 days with 6+ hours of sunshine this month.

Byron Bay's lighthouse, surf breaks and hinterland waterfalls anchor Australia's easternmost point.

May in Byron Bay — workable with trade-offs

With 21°C (69°F) on average, May delivers classic beach weather: plenty of time in the water, with beach and boat plans rarely disrupted by cold.

Budget for roughly 98 mm of rain this month — a flexible day or two helps — with about 7 days with 6+ hours of sunshine and 10.6 hours of daylight to work around it.

That is 5.4/10 on the same scale — 11th of 12 months, versus 8.1/10 for the best month here.

Pack light clothing, swimwear and real sun protection, a packable rain layer.

Budget for low-season pricing, and crowds are light for this destination.

If your dates are flexible, December is materially better in Byron Bay — 2.7 points higher on the same scale.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Byron Bay in May?
In May, Byron Bay averages 21°C, 98 mm of rain, and about 7 days with 6+ hours of sunshine. Its climate-comfort score is 5.4/10.
Is May a good time to visit Byron Bay?
May earns a 5.4/10 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 May?
Expect about 98 mm of rain in May. Average humidity is 74% and there are about 7 days with 6+ hours of sunshine.

Curated in Byron Bay

Tickets & experiences

Things to do in Byron Bay

Byron Bay, Australia. Live activities and tours from GetYourGuide, matched to this destination.