Weather in Perth in May

General weather information about Perth

Average annual temperature is 10.2 °C

Absolute maximum temperature: 34.5 °C

Absolute minimum temperature: -25.1 °C

Number of sunny days: 137 days

Number of rainy days: 196 days

Number of snow days: 32 days

Look at detailed online map of Perth

* Weather data for Perth United States is based on climate observations for 2026 year

Perth air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	8.5	16.6	12.2	28.9	32.4	34.5	31.5	27.9	32.3	28.9	18.2	11.4
Average daytime temperature (°C)	3.9	4.9	6.3	16.8	21.8	24.4	27.8	25.0	22.8	18.1	8.3	5.7
Average temperature (°C)	0.2	-1.1	1.1	9.9	14.5	18.8	22.4	20.0	17.9	12.9	3.2	2.1
Average night temperature (°C)	-2.9	-5.9	-3.6	4.5	7.7	14.0	18.1	16.0	13.9	8.8	-0.5	-0.4
Absolute minimum temperature (°C)	-8.4	-25.1	-11.6	-3.3	1.1	7.2	12.6	11.1	8.2	0.7	-5.8	-6.6

Perth monthly weather indicators

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daylight maximum duration (h)	9.0	11.0	12.0	14.0	15.0	15.0	15.0	14.0	13.0	11.0	10.0	9.0
Daylight mean duration (h)	9.4	10.5	11.9	13.4	14.7	15.3	15.0	13.9	12.5	11.0	9.8	9.1
Daylight minimum duration (h)	9.0	9.0	11.0	12.0	14.0	15.0	14.0	13.0	11.0	10.0	9.0	9.0
Sunshine mean duration (h)	3.8	5.9	6.7	8.2	11.9	10.3	11.3	9.8	8.2	6.7	6.6	3.5
Precipitation (mm)	88	64	116	94	54	111	289	172	63	71	64	147
Sunny days	8	10	10	14	19	7	6	4	16	16	15	12
Rainy days	15	9	17	16	12	23	25	27	14	15	10	13
Snow days	8	9	4	0	0	0	0	0	0	0	5	6

Perth - weather forecast by months

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Best time to visit Perth:

The best time to visit Perth during the most sunny months:

May — 11.9(h)
June — 10.3(h)
July — 11.3(h)
August — 9.8(h)

Months with the longest average daylight duration in Perth:

June — 15.3(h)

The largest precipitation sum in Perth is at

July — 289(mm)

August — 172(mm)

December — 147(mm)

Weather forecast in the closest to Perth admin centers