Perth weather by month

Check out Perth weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature in Perth (°F)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
88°F maximum daytime temperature in January in Perth88
88°F maximum daytime temperature in February in Perth88
84°F maximum daytime temperature in March in Perth84
77°F maximum daytime temperature in April in Perth77
70°F maximum daytime temperature in May in Perth70
66°F maximum daytime temperature in June in Perth66
64°F maximum daytime temperature in July in Perth64
64°F maximum daytime temperature in August in Perth64
68°F maximum daytime temperature in September in Perth68
72°F maximum daytime temperature in October in Perth72
77°F maximum daytime temperature in November in Perth77
82°F maximum daytime temperature in December in Perth82
Min temperature (night-time)
64°F minimum night-time temperature in January in Perth64
64°F minimum night-time temperature in February in Perth64
63°F minimum night-time temperature in March in Perth63
57°F minimum night-time temperature in April in Perth57
52°F minimum night-time temperature in May in Perth52
50°F minimum night-time temperature in June in Perth50
48°F minimum night-time temperature in July in Perth48
48°F minimum night-time temperature in August in Perth48
50°F minimum night-time temperature in September in Perth50
52°F minimum night-time temperature in October in Perth52
55°F minimum night-time temperature in November in Perth55
61°F minimum night-time temperature in December in Perth61
Heat & Humidity
Moderate heat & humidity in January in PerthM
Moderate heat & humidity in February in PerthM
Moderate heat & humidity in March in PerthM
No heat & humidity in April in Perth0
No heat & humidity in May in Perth0
No heat & humidity in June in Perth0
No heat & humidity in July in Perth0
No heat & humidity in August in Perth0
No heat & humidity in September in Perth0
No heat & humidity in October in Perth0
No heat & humidity in November in Perth0
Low heat & humidity in December in PerthL
Sea temperature
72°F sea temperature in January in Perth72
72°F sea temperature in February in Perth72
72°F sea temperature in March in Perth72
70°F sea temperature in April in Perth70
70°F sea temperature in May in Perth70
68°F sea temperature in June in Perth68
66°F sea temperature in July in Perth66
64°F sea temperature in August in Perth64
64°F sea temperature in September in Perth64
64°F sea temperature in October in Perth64
66°F sea temperature in November in Perth66
70°F sea temperature in December in Perth70

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & Daylight in Perth

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
14 hours of daylight per day in January in Perth14
13 hours of daylight per day in February in Perth13
12 hours of daylight per day in March in Perth12
11 hours of daylight per day in April in Perth11
10 hours of daylight per day in May in Perth10
10 hours of daylight per day in June in Perth10
10 hours of daylight per day in July in Perth10
11 hours of daylight per day in August in Perth11
12 hours of daylight per day in September in Perth12
13 hours of daylight per day in October in Perth13
14 hours of daylight per day in November in Perth14
14 hours of daylight per day in December in Perth14
UV Index (Maximum)
UV (maximum) index 11+ (Extreme) in January in Perth11
UV (maximum) index 11+ (Extreme) in February in Perth11
UV (maximum) index 9 (Very High) in March in Perth9
UV (maximum) index 6 (High) in April in Perth6
UV (maximum) index 4 (Moderate) in May in Perth4
UV (maximum) index 3 (Moderate) in June in Perth3
UV (maximum) index 3 (Moderate) in July in Perth3
UV (maximum) index 4 (Moderate) in August in Perth4
UV (maximum) index 6 (High) in September in Perth6
UV (maximum) index 8 (Very High) in October in Perth8
UV (maximum) index 10 (Very High) in November in Perth10
UV (maximum) index 11+ (Extreme) in December in Perth11

Rainfall in Perth

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
3 days with some rainfall in January in Perth3
5 days with some rainfall in February in Perth5
6 days with some rainfall in March in Perth6
9 days with some rainfall in April in Perth9
12 days with some rainfall in May in Perth12
14 days with some rainfall in June in Perth14
15 days with some rainfall in July in Perth15
13 days with some rainfall in August in Perth13
10 days with some rainfall in September in Perth10
9 days with some rainfall in October in Perth9
4 days with some rainfall in November in Perth4
4 days with some rainfall in December in Perth4
Average monthly rainfall (inches)
0.3 inches monthly rainfall in January in Perth0.3
0.7 inches monthly rainfall in February in Perth0.7
0.6 inches monthly rainfall in March in Perth0.6
1.8 inches monthly rainfall in April in Perth1.8
4.4 inches monthly rainfall in May in Perth4.4
7.0 inches monthly rainfall in June in Perth7.0
6.7 inches monthly rainfall in July in Perth6.7
4.6 inches monthly rainfall in August in Perth4.6
2.8 inches monthly rainfall in September in Perth2.8
2.0 inches monthly rainfall in October in Perth2.0
1.0 inches monthly rainfall in November in Perth1.0
0.5 inches monthly rainfall in December in Perth0.5

More about Perth

Perth by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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The climate guide for Western Australia (Perth) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

What's the climate like in Perth?

Perth has a temperate climate with hot dry summers.

Metric (°C)  |  Imperial (°F)

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Tropical storm risk: Perth, Australia cyclone season

% of month affected by tropical storms
0
0
<1%
0
0
0
0
0
0
0
0
0
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

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More about Australia

Compare Perth with the USA

Below the Perth chart shows average maximum daytime temperature for Perth, Western Australia, Australia and the USA (Washington).

Maximum daytime temperature (°F)

Perth, Western Australia, Australia
USA (Washington)
88
41
88
45
84
55
77
66
70
75
66
84
64
88
64
86
68
79
72
68
77
57
82
46
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C)  |  Imperial (°F)

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