Western Australia (Perth)
May
Weather in Western Australia for May 2025
Your guide to Western Australia weather in May - trends and predictions
The forecast for the first days of May 2025 in Western Australia predicts temperatures to be around 23 °C, close to the historical average.
In general, the average temperature in Western Australia at the beginning of May is 23.3 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 20 °C by the end of May.
The climate of Western Australia in May is notably wet, with an average of 15 rainy days, and a total of 75.6 mm of precipitation.
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Temperatures
Rain 🌧️
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16
Dry days
15
Rainy days
0
Snow days
22°/14°
Temperatures
19 km/h
Avg max wind
56 %
Avg humidity
Western Australia Weather May
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  27° | 2  24° | 3  22° | 4 23° | |||
| 5 24° | 6 23° | 7 20° | 8 24° | 9 24° | 10 23° | 11 22° |
| 12  21° | 13 21° | 14  22° | 15 22° | 16 24° | 17 26° | 18 24° |
| 19 24° | 20 23° | 21  23° | 22 23° | 23 20° | 24 19° | 25 20° |
| 26 21° | 27 22° | 28 21° | 29 18° | 30 19° | 31 19° |
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Temperatures trend during May in Western Australia
See the weather trend as well as the moving average line
May weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May | Sunny | 27° /21° | 0 mm | 7 | |
| 2 May | Partly cloudy | 24° /20° | 0.1 mm | 7 | |
| 3 May | Patchy rain possible | 22° /20° | 1.4 mm | 6 | |
| 4 May | Partly cloudy | 23° /20° | 0.1 mm | 7 | |
| 5 May | Partly cloudy | 24° /20° | 0 mm | 7 | |
| 6 May | Patchy rain possible | 23° /20° | 0.3 mm | 6 | |
| 7 May | Patchy rain possible | 20° /16° | 1.2 mm | 5 | |
| 8 May | Sunny | 24° /14° | 0.1 mm | 7 | |
| 9 May | Sunny | 24° /16° | 0.1 mm | 7 | |
| 10 May | Sunny | 23° /14° | 3.7 mm | 6 | |
| 11 May | Partly cloudy | 22° /13° | 0.1 mm | 6 | |
| 12 May | Moderate rain at times | 21° /13° | 7.4 mm | 6 | |
| 13 May | Partly cloudy | 21° /13° | 2.2 mm | 6 | |
| 14 May | Cloudy | 22° /14° | 0.5 mm | 7 | |
| 15 May | Cloudy | 22° /14° | 0 mm | 7 | |
| 16 May | Partly cloudy | 24° /13° | 0 mm | 7 | |
| 17 May | Sunny | 26° /15° | 1.5 mm | 8 | |
| 18 May | Patchy rain possible | 24° /16° | 4 mm | 7 | |
| 19 May | Partly cloudy | 24° /14° | 0.5 mm | 7 | |
| 20 May | Sunny | 23° /14° | 0.4 mm | 7 | |
| 21 May | Overcast | 23° /14° | 0 mm | 7 | |
| 22 May | Moderate or heavy rain shower | 23° /14° | 5.1 mm | 6 | |
| 23 May | Moderate or heavy rain shower | 20° /13° | 12.8 mm | 6 | |
| 24 May | Patchy rain possible | 19° /13° | 2.3 mm | 5 | |
| 25 May | Partly cloudy | 20° /12° | 0.7 mm | 6 | |
| 26 May | Sunny | 21° /11° | 0 mm | 6 | |
| 27 May | Partly cloudy | 22° /12° | 0.3 mm | 7 | |
| 28 May | Sunny | 21° /12° | 3.1 mm | 6 | |
| 29 May | Moderate or heavy rain shower | 18° /11° | 11.2 mm | 5 | |
| 30 May | Patchy rain possible | 19° /12° | 4.3 mm | 5 | |
| 31 May | Cloudy | 19° /12° | 3.5 mm | 5 | |
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Important Notice
Our weather forecast for Western Australia 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 Western Australia forecast closer to your planned date for the most up-to-date weather information.
Western Australia in May - FAQ
What are the expected maximum and minimum temperatures in Western Australia during May?
Enjoy moderate daytime temperatures of up to 22° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Western Australia during May?
Moderate rainfall is anticipated in Western Australia during May, with a total of 75.6 mm spread over approximately 15 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Western Australia during May?
The average wind speed in Western Australia during May is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Western Australia
Explore the daily rainfall trends and prepare for Western Australias May weather 💧
UV exposure in Western Australia during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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