Average data for 10 years
1 December
Sunday
+3°
+1°
2 December
Monday
+4°
+3°
3 December
Tuesday
+5°
+3°
4 December
Wednesday
+5°
+5°
5 December
Thursday
+1°
−1°
6 December
Friday
0°
−2°
7 December
Saturday
0°
−2°
8 December
Sunday
+1°
0°
9 December
Monday
−1°
−2°
10 December
Tuesday
0°
−2°
11 December
Wednesday
0°
−3°
12 December
Thursday
+1°
−2°
13 December
Friday
+1°
−1°
14 December
Saturday
+2°
−1°
15 December
Sunday
0°
−2°
16 December
Monday
−1°
−3°
17 December
Tuesday
0°
−2°
18 December
Wednesday
0°
−1°
19 December
Thursday
0°
−3°
20 December
Friday
0°
−2°
21 December
Saturday
+1°
0°
22 December
Sunday
+1°
−1°
23 December
Monday
0°
−1°
24 December
Tuesday
+1°
−1°
25 December
Wednesday
−1°
−2°
26 December
Thursday
+1°
−2°
27 December
Friday
−1°
−2°
28 December
Saturday
−1°
−2°
29 December
Sunday
−1°
−3°
30 December
Monday
+1°
−3°
31 December
Tuesday
+1°
−3°
Cities near you
Canada
Toronto
United States
Detroit
United States
Columbus
United States
Pittsburgh
United States
Buffalo
Cities with similar weather in December
Finland
Helsinki
Latvia
Riga
Estonia
Tallinn
Sweden
Stockholm
Kyrgyzstan
Cholpon-Ata
December in Sarnia is the windiest month of the year. In December, the weather in Sarnia is typically freezing. Average daily high temperature in December is about 1 degree above zero. On average, Sarnia has 15 cloudy, 8 rainy, 5 snowy, and 3 sunny days in December. The rains are usually moderate. December as well as March, April, October, and November is considered the most uncomfortable time to visit Sarnia.