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City of Perth (Perth)
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Australia weather

Weather in City of Perth for May 2026

Your guide to City of Perth weather in May - trends and predictions

    Temperatures

  • Until now, May 2026 in City of Perth is slightly cooler than the historical average by -1.7 °C.

  • Expect cooler weather in the next days in City of Perth with the forecast suggesting a temperature of 20.4 °C, lower than the historical average.

  • In general, the average temperature in City of Perth at the beginning of May is 22.6 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 18.6 °C by the end of May.

    • Rain 🌧️

  • City of Perth in May brings notable rainfall, with an average of 17 rainy days and a total precipitation of 66.7 mm.

    • More

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

Average dry days
14
Dry days
Average rainy days
17
Rainy days
Average snowy days
0
Snow days
Average temperatures
22°/14°
Temperatures
Average wind speed
19 km/h
Avg max wind
Average humidity
56 %
Avg humidity

City of Perth Weather May

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

Temperatures trend during May in City of Perth

See the weather trend as well as the moving average line

May weather in City of Perth day by day

Click on a date for more information
April June
Date Weather Temperatures Rain UV More
1 May Sunny
Sunny
 23° /13° 0.3 mm 7
2 May Partly cloudy
Partly cloudy
 22° /13° 0.6 mm 6
3 May Sunny
Sunny
 23° /13° 0.9 mm 6
4 May Sunny
Sunny
 22° /13° 1.3 mm 6
5 May Sunny
Sunny
 22° /13° 2.8 mm 6
6 May Moderate or heavy rain shower
Moderate or heavy rain shower
 22° /13° 3.4 mm 6
7 May Cloudy
Cloudy
 24° /13° 0.1 mm 6
8 May Sunny
Sunny
 25° /14° 0.1 mm 7
9 May Sunny
Sunny
 25° /16° 0.1 mm 7
10 May Sunny
Sunny
 23° /14° 2.5 mm 6
11 May Sunny
Sunny
 23° /14° 0.1 mm 6
12 May Sunny
Sunny
 23° /13° 4.9 mm 6
13 May Partly cloudy
Partly cloudy
 22° /14° 1.4 mm 6
14 May Sunny
Sunny
 22° /14° 0.9 mm 6
15 May Cloudy
Cloudy
 22° /14° 0.3 mm 6
16 May Sunny
Sunny
 24° /13° 0 mm 7
17 May Partly cloudy
Partly cloudy
 20° /13° 0 mm 3.6
18 May Sunny
Sunny
 21° /15° 0 mm 3.6
19 May Sunny
Sunny
 24° /14° 0 mm 4
20 May Sunny
Sunny
 24° /16° 0 mm 3.5
21 May Partly cloudy
Partly cloudy
 23° /16° 0.1 mm 3.5
22 May Sunny
Sunny
 21° /13° 0 mm 6
23 May Partly cloudy
Partly cloudy
 19° /12° 0 mm 5
24 May Partly cloudy
Partly cloudy
 22° /12° 0 mm 6
25 May Partly cloudy
Partly cloudy
 23° /16° 0 mm 6
26 May Moderate rain
Moderate rain
 19° /16° 16.1 mm 5
27 May Patchy rain possible
Patchy rain possible
 17° /14° 2.4 mm 5
28 May Patchy rain possible
Patchy rain possible
 17° /12° 2.2 mm 4
29 May Patchy rain possible
Patchy rain possible
 17° /15° 2.3 mm 5
30 May Patchy rain possible
Patchy rain possible
 18° /14° 2.6 mm 5
31 May Cloudy
Cloudy
 19° /12° 3.9 mm 5
Next
Important Notice
Our weather forecast for City of 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 City of Perth forecast closer to your planned date for the most up-to-date weather information.
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City of Perth in May - FAQ

What are the expected maximum and minimum temperatures in City of Perth 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 City of Perth during May?

Moderate rainfall is anticipated in City of Perth during May, with a total of 66.7 mm spread over approximately 17 days. Considering plans for rainy days is advisable.

What are the typical wind conditions in City of Perth during May?

The average wind speed in City of Perth during May is 19 km/h, suggesting breezy to windy conditions, depending on your activities.

May rainfall patterns in City of Perth

Explore the daily rainfall trends and prepare for City of Perths May weather 💧
Typically, City of Perth has 17 rainy days in May with a total of 66.7 mm of rainfall.

UV exposure in City of Perth during May

Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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Location coordinates Where is City of Perth?

Get accurate weather forecasts for City of Perth, located at latitude -31.952 and longitude 115.861. Stay updated with localized weather information tailored for City of Perth.

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