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Monthly
Forecasts
Current
Hourly
7 Days
14 Days
Monthly
°C
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Grenville, QC
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December
Average Temperature
High
-2°
Feels -5
Low
-10°
Feels -15
Average Precipitation
5 Days
Rain amount
1.2mm
Snow amount
17.7cm
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Daily Historical Averages
December 2025
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
-2°
25
-4°
26
-13°
27
-9°
28
-6°
29
-2°
30
-11°
31
-10°
Forecast
Wednesday, December 24, 2025
Day
-2°
Feels -5
Wind
13 km/h W
Gust
28 km/h
Humidity
63%
P.O.P
20%
Night
-7°
Feels -12
Wind
15 km/h W
Gust
31 km/h
Humidity
93%
P.O.P
70%
Snow
1-3 cm
Historical Averages
Dec 24
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.