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Australia weather

Weather in Byron Bay for May 2026

Your guide to Byron Bay weather in May - trends and predictions

    Temperatures

  • Until now, May 2026 in Byron Bay has been nearly identical to the historical average, with a temperature of 21.6 °C (showing only a slight deviation of 0.5 °C).

  • Expect cooler weather in the next days in Byron Bay with the forecast suggesting a temperature of 19.8 °C, lower than the historical average.

  • In general, the average temperature in Byron Bay at the beginning of May is 21.4 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 18.9 °C by the end of May.

    • Rain 🌧️

  • Byron Bay experiences heavy rainfall in May, with over 20 rainy days and an average total precipitation 179 mm.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
7
Dry days
Average rainy days
24
Rainy days
Average snowy days
0
Snow days
Average temperatures
20°/15°
Temperatures
Average wind speed
18 km/h
Avg max wind
Average humidity
79 %
Avg humidity

Byron Bay Weather May

Move between months or click on a day
April
June
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Patchy rain possible
21°
2
Moderate rain at times
21°
3
Moderate or heavy rain shower
21°
4
Moderate or heavy rain shower
21°
5
Moderate or heavy rain shower
22°
6
Patchy rain possible
21°
7
Moderate or heavy rain shower
23°
8
Moderate rain at times
21°
9
Heavy rain at times
20°
10
Patchy rain possible
21°
11
Moderate or heavy rain shower
21°
12
Moderate or heavy rain shower
20°
13
Sunny
21°
14
Cloudy
22°
15
Patchy rain possible
20°
16
Moderate or heavy rain shower
21°
17
Moderate rain
22°
18
Heavy rain
20°
19
Moderate rain
21°
20
Moderate rain
21°
21
Heavy rain
20°
22
Sunny
21°
23
Sunny
20°
24
Sunny
20°
25
Patchy rain possible
20°
26
Patchy rain possible
18°
27
Moderate rain
16°
28
Patchy rain possible
19°
29
Sunny
19°
30
Sunny
20°
31
Patchy rain possible
20°

Temperatures trend during May in Byron Bay

See the weather trend as well as the moving average line

May weather in Byron Bay day by day

Click on a date for more information
April June
Date Weather Temperatures Rain UV More
1 May Patchy rain possible
Patchy rain possible
 21° /16° 5.7 mm 4
2 May Moderate rain at times
Moderate rain at times
 21° /16° 5.7 mm 4
3 May Moderate or heavy rain shower
Moderate or heavy rain shower
 21° /16° 8.7 mm 4
4 May Moderate or heavy rain shower
Moderate or heavy rain shower
 21° /16° 8.7 mm 5
5 May Moderate or heavy rain shower
Moderate or heavy rain shower
 22° /17° 3.7 mm 5
6 May Patchy rain possible
Patchy rain possible
 21° /17° 3.7 mm 4
7 May Moderate or heavy rain shower
Moderate or heavy rain shower
 23° /15° 5.6 mm 5
8 May Moderate rain at times
Moderate rain at times
 21° /13° 1.9 mm 5
9 May Heavy rain at times
Heavy rain at times
 20° /14° 4.8 mm 4
10 May Patchy rain possible
Patchy rain possible
 21° /14° 2.9 mm 4
11 May Moderate or heavy rain shower
Moderate or heavy rain shower
 21° /16° 9.5 mm 4
12 May Moderate or heavy rain shower
Moderate or heavy rain shower
 20° /17° 10.2 mm 4
13 May Sunny
Sunny
 21° /15° 4 mm 5
14 May Cloudy
Cloudy
 22° /16° 6.1 mm 4
15 May Patchy rain possible
Patchy rain possible
 20° /16° 15.2 mm 4
16 May Moderate or heavy rain shower
Moderate or heavy rain shower
 21° /16° 14.8 mm 6
17 May Moderate rain
Moderate rain
 22° /17° 16.9 mm 4.3
18 May Heavy rain
Heavy rain
 20° /19° 46.6 mm 1.1
19 May Moderate rain
Moderate rain
 21° /19° 15 mm 1.1
20 May Moderate rain
Moderate rain
 21° /16° 5.5 mm 4.2
21 May Heavy rain
Heavy rain
 20° /14° 35.4 mm 2.9
22 May Sunny
Sunny
 21° /13° 0 mm 6
23 May Sunny
Sunny
 20° /13° 0 mm 6
24 May Sunny
Sunny
 20° /14° 0 mm 6
25 May Patchy rain possible
Patchy rain possible
 20° /14° 0.9 mm 5
26 May Patchy rain possible
Patchy rain possible
 18° /14° 4.1 mm 5
27 May Moderate rain
Moderate rain
 16° /14° 15 mm 5
28 May Patchy rain possible
Patchy rain possible
 19° /13° 1.8 mm 5
29 May Sunny
Sunny
 19° /11° 0 mm 5
30 May Sunny
Sunny
 20° /11° 0 mm 5
31 May Patchy rain possible
Patchy rain possible
 20° /16° 16.3 mm 6
Next
Important Notice
Our weather forecast for Byron Bay in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Byron Bay forecast closer to your planned date for the most up-to-date weather information.
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Byron Bay in May - FAQ

What are the expected maximum and minimum temperatures in Byron Bay during May?

During May, expect a variety of temperatures with highs around 20° and lows near 15°, suitable for diverse activities and preferences.

How much rainfall should be expected in Byron Bay during May?

Significant rainfall exceeding 179 mm is expected in Byron Bay during May, occurring over more than 24 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in Byron Bay during May?

The average wind speed in Byron Bay during May is 18 km/h, suggesting breezy to windy conditions, depending on your activities.

May rainfall patterns in Byron Bay

Explore the daily rainfall trends and prepare for Byron Bays May weather 💧
Typically, Byron Bay has 24 rainy days in May with a total of 179 mm of rainfall.

UV exposure in Byron Bay during May

Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️

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Location coordinates Where is Byron Bay?

Get accurate weather forecasts for Byron Bay, located at latitude -28.65 and longitude 153.612. Stay updated with localized weather information tailored for Byron Bay.

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