Byron Bay Weather in May
With daytime temperatures of 23°C (73°F) and nighttime lows of 16°C (61°F), May in Byron Bay brings high temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 118 mm (4.6 in) falls on average.
Rainfall in Byron Bay in May
This month experiences about 12 days of rain according to historical data, averaging 118 mm (4.6 in). The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.
Temperature in Byron Bay in May
In May, Byron Bay sees high temperatures, with highs of 23°C (73°F). Nights drop to around 16°C (61°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With lows of 16°C (61°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.
Sunshine in Byron Bay in May
With approximately 205 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.
Average water temperature in May
With water at 23°C (73°F), you can expect warm, pleasant conditions for any water activity. There's no adjustment period — it feels comfortable straight away.If you're looking for dry conditions and comfortable temperatures, May may not be the ideal month to visit Byron Bay. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Australia, check out our Byron Bay's climate page.
Byron Bay Temperature in May
Min Temperature
16°C (61°F)
Max Temperature
23°C (73°F)
Water Temperature
23°C (73°F)
Chance of Rain
41%
Precipitation
118 mm (4.6 in)
Rainy days
12 days
Sunshine
205 hours
Percentage Sunshine
Daily Historical Temperatures
43-year average (1976-2025)
Based on our historical records, temperatures in Byron Bay typically stay consistent throughout May, with daily highs averaging around 23°C (73°F). Nights are pleasant, with lows typically ranging from 13°C (55°F) to 17°C (63°F).
Average temperatures in May
Daily Historical Precipitation
43-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather for Byron Bay in May
Browse day-by-day weather records for Byron Bay spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Byron Bay historical weather extremes in May
Our historical data for Byron Bay spans 1990 to 2026, revealing these weather extremes.
- The hottest May day on record in Byron Bay reached 29°C (84°F) (May 4, 1994).
- Byron Bay experienced its chilliest May day on May 26, 1990, reaching only 15°C (59°F).
- The lowest overnight temperature recorded in May was 4°C (39°F) (May 31, 2000).
Best Places in Australia in May
Find out more about the weather in Australia and which places have the best travel conditions in this month. See all of Australia in May →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Byron Bay in May
Comfortable temperatures call for an easy wardrobe in May. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags. With water temperatures around 23°C (73°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Byron Bay in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Australia, check out our Byron Bay's climate page.
Temperature Rainfall Sunshine Water Temp
See the full Byron Bay climate overview or explore weather in Australia.
