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