Monthly Historical AveragesGrundy Lake Provincial Park, ON
Average Temperature
High
-2°
Feels -5
Low
-9°
Feels -16
Average Precipitation
13 Days
13.8mm
76.5cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastThursday, December 25, 2025
Day
-6°Feels -13
Wind
23 km/h N
Gust
33 km/h
Humidity
52%
P.O.P
20%
Night
-15°Feels -22
Wind
14 km/h NE
Gust
21 km/h
Humidity
72%
P.O.P
40%
Snow
<1 cm
Historical AveragesDec 25
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity