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