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°C
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Monthly Historical Averages
Smiths Falls Junior, ON
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December
Average Temperature
High
-1°
Feels -3
Low
-8°
Feels -13
Average Precipitation
11 Days
Rain amount
25.9mm
Snow amount
34cm
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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
29
30
-11°
31
-8°
Forecast
Tuesday, December 30, 2025
Day
-11°
Feels -20
Wind
27 km/h W
Gust
55 km/h
Humidity
51%
P.O.P
30%
Night
-15°
Feels -24
Wind
22 km/h W
Gust
40 km/h
Humidity
66%
P.O.P
30%
Historical Averages
Dec 30
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.