Monthly Historical AveragesSumas Mountain Regional Park, BC
Average Temperature
High
17°
Feels 17
Low
8°
Feels 6
Average Precipitation
13 Days
104.7mm
0.1cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastThursday, May 21, 2026
Day
21°Feels 21
Wind
12 km/h W
Gust
18 km/h
Humidity
43%
P.O.P
20%
Night
10°Feels 9
Wind
11 km/h SW
Gust
17 km/h
Humidity
82%
P.O.P
10%
Historical AveragesMay 21
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity