December weather in Sioux City, IA
The average temperature in Sioux City in December is °F (°F–°F). Average precipitation: 1.19 inches.
December is a winter month in Sioux City, and is cooler than the annual average of 0°F. Expect about 4 days with precipitation. Daylight averages about 8h 54m.
Avg High
°F
Avg Low
°F
Precipitation
1.19 in
Daylight
8h 54m
December records in Sioux City
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | — | — | 1.42 in (1981) |
| December 2 | — | — | 0.14 in (1980) |
| December 3 | — | — | 0.73 in (1953) |
| December 4 | — | — | 0.52 in (1953) |
| December 5 | — | — | 0.21 in (1950) |
| December 6 | — | — | 0.42 in (1948) |
| December 7 | — | — | 0.70 in (1994) |
| December 8 | — | — | 0.12 in (1986) |
| December 9 | — | — | 0.38 in (1967) |
| December 10 | — | — | 0.67 in (1984) |
| December 11 | — | — | 0.38 in (2000) |
| December 12 | — | — | 0.54 in (1991) |
| December 13 | — | — | 0.35 in (1972) |
| December 14 | — | — | 0.68 in (1993) |
| December 15 | — | — | 0.35 in (1992) |
| December 16 | — | — | 1.00 in (2000) |
| December 17 | — | — | 0.62 in (1977) |
| December 18 | — | — | 0.14 in (2000) |
| December 19 | — | — | 0.34 in (1968) |
| December 20 | — | — | 0.39 in (1988) |
| December 21 | — | — | 0.36 in (1983) |
| December 22 | — | — | 1.22 in (1968) |
| December 23 | — | — | 0.38 in (1968) |
| December 24 | — | — | 0.23 in (1982) |
| December 25 | — | — | 1.28 in (1982) |
| December 26 | — | — | 0.03 in (1975) |
| December 27 | — | — | 0.22 in (1959) |
| December 28 | — | — | 1.92 in (1982) |
| December 29 | — | — | 0.60 in (1972) |
| December 30 | — | — | 0.79 in (1971) |
| December 31 | — | — | 0.32 in (1994) |