Monthly Historical AveragesChatham, ON
Average Temperature
High
2°
Feels -1
Low
-4°
Feels -8
Average Precipitation
9 Days
44.7mm
10.6cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastThursday, December 25, 2025
Day
4°Feels 0
Wind
21 km/h N
Gust
32 km/h
Humidity
74%
P.O.P
30%
Night
-3°Feels -9
Wind
30 km/h E
Gust
45 km/h
Humidity
80%
P.O.P
30%
Historical AveragesDec 25
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity