Monthly Historical AveragesLetterbreen, ON
Average Temperature
High
10°
Feels 9
Low
0°
Feels -3
Average Precipitation
7 Days
28mm
6.2cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastSunday, April 12, 2026
Day
12°Feels 10
Wind
25 km/h SE
Gust
50 km/h
Humidity
60%
P.O.P
90%
Rain
5-10 mm
Night
12°Feels 9
Wind
34 km/h SW
Gust
59 km/h
Humidity
94%
P.O.P
80%
Rain
1-3 mm
Historical AveragesApr 12
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity