Monthly Historical AveragesSaint Johns, ON
Average Temperature
High
-1°
Feels -5
Low
-8°
Feels -14
Average Precipitation
11 Days
27.3mm
36.5cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastSaturday, February 21, 2026
Day
2°Feels -3
Wind
27 km/h SW
Gust
41 km/h
Humidity
80%
P.O.P
70%
Snow
~1 cm
Night
-2°Feels -5
Wind
18 km/h SW
Gust
27 km/h
Humidity
97%
P.O.P
40%
Snow
<1 cm
Historical AveragesFeb 21
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity