Monthly Historical AveragesSt. Helens, ON
Average Temperature
High
12°
Feels 10
Low
1°
Feels -3
Average Precipitation
8 Days
26.7mm
3.9cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastSunday, April 12, 2026
Day
14°Feels 12
Wind
39 km/h SE
Gust
59 km/h
Humidity
71%
P.O.P
90%
Rain
10-15 mm
Night
12°Feels 9
Wind
40 km/h SW
Gust
60 km/h
Humidity
94%
P.O.P
90%
Rain
~10 mm
Historical AveragesApr 12
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity