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Monthly
Forecasts
Current
Hourly
7 Days
14 Days
Monthly
°C
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
South Napanee, ON
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December
Average Temperature
High
1°
Feels -2
Low
-7°
Feels -11
Average Precipitation
9 Days
Rain amount
26.4mm
Snow amount
19.9cm
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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
25
26
27
28
-2°
29
4°
30
-10°
31
-8°
Forecast
Sunday, December 28, 2025
Day
-2°
Feels -6
Wind
15 km/h E
Gust
23 km/h
Humidity
78%
P.O.P
40%
Rain
~1 mm
Night
-3°
Feels -9
Wind
24 km/h E
Gust
36 km/h
Humidity
100%
P.O.P
100%
Rain
25-30 mm
Historical Averages
Dec 28
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.