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Hourly
7 Days
14 Days
Weekend
Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Castle Mountain, AB
Content continues below
May
Average Temperature
High
9°
Feels 7
Low
0°
Feels -5
Average Precipitation
13 Days
Rain amount
60.8mm
Snow amount
19.3cm
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
6°
21
12°
22
15°
23
15°
24
16°
25
20°
26
13°
27
13°
28
12°
29
12°
30
13°
31
13°
Forecast
Wednesday, May 20, 2026
Day
6°
Feels 4
Wind
10 km/h NE
Gust
15 km/h
Humidity
65%
P.O.P
80%
Rain
~5 mm
Night
-1°
Feels -4
Wind
10 km/h N
Gust
15 km/h
Humidity
93%
P.O.P
70%
Rain
~1 mm
Historical Averages
May 20
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.