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Precipitation
Temperature
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Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Blue Mountain, ON
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May
Average Temperature
High
17°
Feels 17
Low
7°
Feels 4
Average Precipitation
7 Days
Rain amount
32.4mm
Snow amount
0.1cm
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
24°
20
8°
21
10°
22
14°
23
12°
24
16°
25
17°
26
17°
27
18°
28
18°
29
18°
30
17°
31
18°
Forecast
Tuesday, May 19, 2026
Day
24°
Feels 30
Wind
33 km/h SW
Gust
50 km/h
Humidity
69%
P.O.P
70%
Rain
1-3 mm
Night
5°
Feels 0
Wind
34 km/h W
Gust
51 km/h
Humidity
94%
P.O.P
70%
Rain
1-3 mm
Historical Averages
May 19
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.