Monthly Historical AveragesHeidelberg, ON
Average Temperature
High
0°
Feels -4
Low
-6°
Feels -11
Average Precipitation
8 Days
18.7mm
10.8cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastWednesday, December 31, 2025
Day
-6°Feels -13
Wind
26 km/h W
Gust
42 km/h
Humidity
79%
P.O.P
70%
Snow
~5 cm
Night
-16°Feels -23
Wind
31 km/h NW
Gust
53 km/h
Humidity
86%
P.O.P
70%
Snow
1-3 cm
Historical AveragesDec 31
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity