Average data for 10 years
1 December
Monday
+2°
−1°
2 December
Tuesday
+1°
−3°
3 December
Wednesday
0°
−4°
4 December
Thursday
+1°
−3°
5 December
Friday
+1°
−3°
6 December
Saturday
0°
−4°
7 December
Sunday
0°
−4°
8 December
Monday
−2°
−7°
9 December
Tuesday
−1°
−8°
10 December
Wednesday
0°
−5°
11 December
Thursday
0°
−5°
12 December
Friday
−1°
−6°
13 December
Saturday
−1°
−7°
14 December
Sunday
−1°
−7°
15 December
Monday
−1°
−6°
16 December
Tuesday
−1°
−6°
17 December
Wednesday
−1°
−6°
18 December
Thursday
−2°
−7°
19 December
Friday
−2°
−8°
20 December
Saturday
−3°
−8°
21 December
Sunday
−3°
−9°
22 December
Monday
−2°
−7°
23 December
Tuesday
−1°
−7°
24 December
Wednesday
−1°
−6°
25 December
Thursday
−2°
−7°
26 December
Friday
−2°
−7°
27 December
Saturday
−3°
−8°
28 December
Sunday
−1°
−7°
29 December
Monday
−2°
−7°
30 December
Tuesday
−2°
−8°
31 December
Wednesday
−4°
−9°
Cities near you
Canada
Montreal
United States
Colchester
United States
Brooklyn
United States
Lake George
United States
Lake Placid
Cities with similar weather in December
Kazakhstan
Ust-Kamenogorsk
Kyrgyzstan
Cholpon-Ata
Kazakhstan
Atyrau
Kazakhstan
Kyzylorda
Kazakhstan
Baikonur
December in Ottawa is the cloudiest month of the year. In December, the weather in Ottawa is typically freezing. Average daily high temperature in December is about 1 degree below zero. On average, Ottawa has 10 cloudy, 10 partly cloudy, 7 snowy, 2 rainy, and 2 sunny days in December. The snowfalls are usually heavy. December as well as March, April, October, and November is considered the most uncomfortable time to visit Ottawa.