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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Yanchep, WA
Content continues below
May
Average Temperature
High
21°
Feels 21
Low
15°
Feels 14
Average Precipitation
8 Days
Rain amount
57.3mm
Snow amount
0cm
Content continues below
Daily Historical Averages
May 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
23°
21
21°
22
18°
23
18°
24
21°
25
22°
26
23°
27
21°
28
19°
29
19°
30
17°
31
16°
Forecast
Wednesday, May 20, 2026
Day
23°
Feels 23
Wind
15 km/h NE
Gust
23 km/h
Humidity
41%
P.O.P
20%
Night
15°
Feels 15
Wind
8 km/h NE
Gust
11 km/h
Humidity
74%
P.O.P
30%
Historical Averages
May 20
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.