Annual mean 18°C · wettest around July · prevailing wind SW
Warmest
28.7 °C
Coldest
14.9 °C
Wettest
36%
Windiest
5.1 m/s
Prevailing
SW
4.5 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
never good
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 Mandurah over the whole year is 18°C. January is the hottest month, with highs of about 28°C; August is the coldest, with lows of about 11°C. The rainy (wet) season in Mandurah runs from June to September, peaking in July with a 34% chance of rain on a given day. The dry season is October to May; January is the driest month, at 3%. Winds in Mandurah are highest in December, averaging 5.1 m/s (18 km/h), and lightest in May, at 3.6 m/s (13 km/h). The prevailing wind is from the SW. The clearest skies in Mandurah come in January, when the sky is typically 26% covered; July is the cloudiest month, at 63%.
Month by month Mandurah 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
28°C
20°C
26°C
3%
26%
5.0 m/s
58
49
31
February
28°C
20°C
26°C
4%
30%
4.8 m/s
59
52
31
March
26°C
19°C
25°C
6%
37%
4.4 m/s
69
46
38
April
23°C
16°C
21°C
11%
42%
4.0 m/s
82
22
65
May
20°C
14°C
17°C
19%
44%
3.6 m/s
73
3
82
June
17°C
12°C
14°C
28%
53%
3.7 m/s
45
0
82
July
16°C
11°C
12°C
34%
63%
4.2 m/s
28
0
77
August
16°C
11°C
13°C
29%
58%
4.2 m/s
36
0
79
September
18°C
12°C
15°C
19%
49%
4.1 m/s
52
2
82
October
20°C
15°C
17°C
13%
46%
4.5 m/s
65
8
79
November
23°C
17°C
21°C
6%
34%
4.8 m/s
74
23
64
December
27°C
19°C
24°C
3%
28%
5.1 m/s
67
41
43
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 Mandurah weather by season
Year round, Mandurah has days of about 16°C at their warmest in July, its coolest month, and 28°C in January, its warmest; the coolest hours of the day run from 11°C to 20°C through the year, and the average temperature over the year is 18°C around the clock. Rain is most likely around July and least likely around January. 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.
Mandurah weather in winterJune to August
High 16°CLow 12°CRain 30%
Winter in Mandurah has typical daily highs of about 16°C and lows of about 12°C, with a 30% chance of rain on a given day.
Mandurah weather in springSeptember to November
High 20°CLow 15°CRain 13%
Spring in Mandurah has typical daily highs of about 20°C and lows of about 15°C, with a 13% chance of rain on a given day.
Mandurah weather in summerDecember to February
High 28°CLow 20°CRain 3%
Summer in Mandurah has typical daily highs of about 28°C and lows of about 20°C, with a 3% chance of rain on a given day.
Mandurah weather in autumnMarch to May
High 23°CLow 16°CRain 12%
Autumn in Mandurah has typical daily highs of about 23°C and lows of about 16°C, with a 12% chance of rain on a given day.
When is the rainy season in Mandurah?
The rainy (wet) season in Mandurah runs from June to September, peaking in July with a 34% chance of rain on a given day. The dry season is October to May; January is the driest month, at 3%.
What time of year is Mandurah windiest?
Winds in Mandurah are highest in December, averaging 5.1 m/s (18 km/h), and lightest in May, at 3.6 m/s (13 km/h). The prevailing wind is from the SW.
What is the average temperature in Mandurah year round?
The average temperature in Mandurah over the whole year is 18°C. January is the hottest month, with highs of about 28°C; August is the coldest, with lows of about 11°C.