Perth
May
Weather in Perth for May 2025
Your guide to Perth weather in May - trends and predictions
In general, the average temperature in Perth at the beginning of May is 22.9 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 20.4 °C by the end of May.
With an average of 3 rainy days, Perth experiences minimal rainfall in May, ensuring that most days remain pleasantly dry.
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28
Dry days
3
Rainy days
0
Snow days
24°/12°
Temperatures
19 km/h
Avg max wind
52 %
Avg humidity
Perth in May average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  24° | 2  23° | 3 24° | 4  23° | |||
| 5  22° | 6  19° | 7 25° | 8  26° | 9 26° | 10  21° | 11 20° |
| 12 23° | 13 24° | 14 24° | 15 24° | 16 24° | 17 27° | 18 27° |
| 19 26° | 20 24° | 21 23° | 22 24° | 23 24° | 24 21° | 25 21° |
| 26 21° | 27 21° | 28 20° | 29 19° | 30 21° | 31 20° |
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Temperatures trend during May in Perth
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 | Partly cloudy | 24° /14° | 0.7 mm | 7 | |
| 2 May | Sunny | 23° /15° | 1.3 mm | 6 | |
| 3 May | Sunny | 24° /14° | 0.1 mm | 7 | |
| 4 May | Cloudy | 23° /13° | 0 mm | 6 | |
| 5 May | Overcast | 22° /13° | 0.1 mm | 6 | |
| 6 May | Moderate or heavy rain shower | 19° /13° | 5.7 mm | 6 | |
| 7 May | Cloudy | 25° /14° | 0.2 mm | 7 | |
| 8 May | Patchy rain possible | 26° /16° | 0.2 mm | 7 | |
| 9 May | Cloudy | 26° /18° | 0.2 mm | 7 | |
| 10 May | Heavy rain at times | 21° /15° | 7.5 mm | 5 | |
| 11 May | Overcast | 20° /14° | 0.2 mm | 5 | |
| 12 May | Partly cloudy | 23° /13° | 0.1 mm | 6 | |
| 13 May | Moderate or heavy rain shower | 24° /16° | 4.2 mm | 7 | |
| 14 May | Sunny | 24° /15° | 0 mm | 7 | |
| 15 May | Partly cloudy | 24° /13° | 0 mm | 7 | |
| 16 May | Sunny | 24° /13° | 0 mm | 7 | |
| 17 May | Sunny | 27° /15° | 0 mm | 8 | |
| 18 May | Partly cloudy | 27° /16° | 0 mm | 8 | |
| 19 May | Sunny | 26° /15° | 0 mm | 7 | |
| 20 May | Sunny | 24° /14° | 0 mm | 7 | |
| 21 May | Overcast | 23° /14° | 0 mm | 6 | |
| 22 May | Patchy rain possible | 24° /14° | 0.9 mm | 6 | |
| 23 May | Moderate rain at times | 24° /13° | 1.5 mm | 7 | |
| 24 May | Patchy rain possible | 21° /13° | 0.9 mm | 6 | |
| 25 May | Sunny | 21° /12° | 1.3 mm | 6 | |
| 26 May | Sunny | 21° /12° | 0.1 mm | 6 | |
| 27 May | Sunny | 21° /11° | 0.6 mm | 6 | |
| 28 May | Sunny | 20° /11° | 5.6 mm | 6 | |
| 29 May | Cloudy | 19° /11° | 6.6 mm | 5 | |
| 30 May | Overcast | 21° /15° | 7.2 mm | 5 | |
| 31 May | Heavy rain at times | 20° /13° | 7 mm | 5 | |
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Important Notice
Our weather forecast for Perth 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 Perth forecast closer to your planned date for the most up-to-date weather information.
Perth in May - FAQ
What are the expected maximum and minimum temperatures in Perth during May?
Enjoy moderate daytime temperatures of up to 24° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Perth during May?
Significant rainfall exceeding 103.9 mm is expected in Perth during May, occurring over more than 3 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Perth during May?
The average wind speed in Perth during May is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
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