Perth climate guide

Temperature in Perth (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
31°C maximum daytime temperature in January in Perth31
31°C maximum daytime temperature in February in Perth31
29°C maximum daytime temperature in March in Perth29
25°C maximum daytime temperature in April in Perth25
21°C maximum daytime temperature in May in Perth21
19°C maximum daytime temperature in June in Perth19
18°C maximum daytime temperature in July in Perth18
18°C maximum daytime temperature in August in Perth18
20°C maximum daytime temperature in September in Perth20
22°C maximum daytime temperature in October in Perth22
25°C maximum daytime temperature in November in Perth25
28°C maximum daytime temperature in December in Perth28
Min temperature (night-time)
18°C minimum night-time temperature in January in Perth18
18°C minimum night-time temperature in February in Perth18
17°C minimum night-time temperature in March in Perth17
14°C minimum night-time temperature in April in Perth14
11°C minimum night-time temperature in May in Perth11
10°C minimum night-time temperature in June in Perth10
9°C minimum night-time temperature in July in Perth9
9°C minimum night-time temperature in August in Perth9
10°C minimum night-time temperature in September in Perth10
11°C minimum night-time temperature in October in Perth11
13°C minimum night-time temperature in November in Perth13
16°C minimum night-time temperature in December in Perth16
Sea temperature
22°C sea temperature in January in Perth22
22°C sea temperature in February in Perth22
22°C sea temperature in March in Perth22
21°C sea temperature in April in Perth21
21°C sea temperature in May in Perth21
20°C sea temperature in June in Perth20
19°C sea temperature in July in Perth19
18°C sea temperature in August in Perth18
18°C sea temperature in September in Perth18
18°C sea temperature in October in Perth18
19°C sea temperature in November in Perth19
21°C sea temperature in December in Perth21

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

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 (mm)
8 mm monthly rainfall in January in Perth8
18 mm monthly rainfall in February in Perth18
15 mm monthly rainfall in March in Perth15
45 mm monthly rainfall in April in Perth45
112 mm monthly rainfall in May in Perth112
177 mm monthly rainfall in June in Perth177
169 mm monthly rainfall in July in Perth169
118 mm monthly rainfall in August in Perth118
71 mm monthly rainfall in September in Perth71
52 mm monthly rainfall in October in Perth52
25 mm monthly rainfall in November in Perth25
12 mm monthly rainfall in December in Perth12

More climate for Perth

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

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

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

The climate guide for Perth, Western Australia 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.

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