Annual mean 9°C · wettest around December · prevailing wind W
Warmest
24.8 °C
Coldest
-3.8 °C
Wettest
30%
Windiest
4.8 m/s
Prevailing
W
4.0 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Every reading
bars actual · line feels-like, °Cchance of rain, %wind speed, m/ssky covered, %
The average temperature in West Perth over the whole year is 9°C. July is the hottest month, with highs of about 25°C; January is the coldest, with lows of about -5°C. West Perth has no sharply defined rainy season: the chance of rain on a given day runs from 11% in July, the driest month, to 25% in December, the wettest. Winds in West Perth are highest in February, averaging 3.8 m/s (14 km/h), and lightest in August, at 2.4 m/s (9 km/h). The prevailing wind is from the W. The clearest skies in West Perth come in July, when the sky is typically 42% covered; December is the cloudiest month, at 76%.
Month by month West Perth climate by month: average temperatures year round · click a month to read it
Month
High
Low
Feels like
Chance of rain
Cloud
Wind
Being outside
Sun
Walking
January
-3°C
-5°C
-9°C
24%
74%
3.7 m/s
0
0
0
February
-2°C
-5°C
-8°C
22%
67%
3.8 m/s
0
0
3
March
3°C
-1°C
-3°C
20%
59%
3.8 m/s
1
0
10
April
9°C
3°C
4°C
21%
57%
3.6 m/s
9
0
33
May
16°C
10°C
13°C
16%
50%
3.1 m/s
38
8
62
June
22°C
15°C
20°C
14%
45%
2.9 m/s
67
23
61
July
25°C
18°C
24°C
11%
42%
2.5 m/s
71
45
39
August
24°C
17°C
24°C
12%
42%
2.4 m/s
74
43
42
September
21°C
13°C
19°C
13%
43%
2.6 m/s
67
19
67
October
14°C
8°C
10°C
22%
54%
3.2 m/s
28
2
56
November
6°C
2°C
1°C
22%
64%
3.6 m/s
4
0
18
December
0°C
-2°C
-5°C
25%
76%
3.8 m/s
0
0
2
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short West Perth weather by season
Year round, West Perth has days of about -3°C at their warmest in January, its coolest month, and 25°C in July, its warmest; the coolest hours of the day run from -5°C to 18°C through the year, and the average temperature over the year is 9°C around the clock. Rain is most likely around December and least likely around July. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
West Perth weather in winterDecember to February
High -2°CLow -4°CRain 24%
Winter in West Perth has typical daily highs of about -2°C and lows of about -4°C, with a 24% chance of rain on a given day.
West Perth weather in springMarch to May
High 9°CLow 4°CRain 19%
Spring in West Perth has typical daily highs of about 9°C and lows of about 4°C, with a 19% chance of rain on a given day.
West Perth weather in summerJune to August
High 23°CLow 16°CRain 12%
Summer in West Perth has typical daily highs of about 23°C and lows of about 16°C, with a 12% chance of rain on a given day.
West Perth weather in autumnSeptember to November
High 13°CLow 8°CRain 19%
Autumn in West Perth has typical daily highs of about 13°C and lows of about 8°C, with a 19% chance of rain on a given day.
When is the rainy season in West Perth?
West Perth has no sharply defined rainy season: the chance of rain on a given day runs from 11% in July, the driest month, to 25% in December, the wettest.
What time of year is West Perth windiest?
Winds in West Perth are highest in February, averaging 3.8 m/s (14 km/h), and lightest in August, at 2.4 m/s (9 km/h). The prevailing wind is from the W.
What is the average temperature in West Perth year round?
The average temperature in West Perth over the whole year is 9°C. July is the hottest month, with highs of about 25°C; January is the coldest, with lows of about -5°C.