Monthly Historical AveragesMattawa, ON
Average Temperature
High
-3°
Feels -7
Low
-11°
Feels -17
Average Precipitation
13 Days
0mm
102.3cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastWednesday, December 24, 2025
Day
-8°Feels -10
Wind
16 km/h NW
Gust
34 km/h
Humidity
66%
P.O.P
30%
Night
-8°Feels -14
Wind
13 km/h SW
Gust
39 km/h
Humidity
93%
P.O.P
70%
Snow
~1 cm
Historical AveragesDec 24
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity