December weather in Galva, IL
The average temperature in Galva in December is 27.3°F (18.8°F–35.7°F). Average precipitation: 2.01 inches.
December is a winter month in Galva, and is cooler than the annual average of 49.5°F. Daily temperatures swing about 16.9°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 9h 3m. For travel, December is cold.
Avg High
35.7°F
Avg Low
18.8°F
Precipitation
2.01 in
Daylight
9h 3m
December records in Galva
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 64.0°F (1962) | -9.9°F (1893) | 1.06 in (1921) |
| December 2 | 64.9°F (1962) | -2.9°F (1942) | 0.95 in (1986) |
| December 3 | 66.9°F (1951) | -9.0°F (1942) | 2.65 in (1982) |
| December 4 | 69.1°F (1998) | -8.0°F (1893) | 1.75 in (1999) |
| December 5 | 68.0°F (2001) | -2.9°F (1895) | 1.65 in (1909) |
| December 6 | 64.9°F (1951) | -9.0°F (2005) | 1.46 in (1994) |
| December 7 | 64.9°F (1916) | -7.1°F (1976) | 1.14 in (1966) |
| December 8 | 64.9°F (1946) | -7.1°F (1902) | 1.60 in (1980) |
| December 9 | 64.9°F (1918) | -16.1°F (1958) | 2.75 in (2003) |
| December 10 | 60.1°F (1946) | -15.0°F (1919) | 0.99 in (1895) |
| December 11 | 64.0°F (1949) | -9.0°F (1917) | 1.18 in (1970) |
| December 12 | 57.9°F (1896) | -13.0°F (2000) | 1.48 in (1946) |
| December 13 | 63.0°F (1991) | -18.0°F (1903) | 0.98 in (1920) |
| December 14 | 62.1°F (1975) | -14.1°F (1901) | 1.40 in (2011) |
| December 15 | 62.1°F (1975) | -17.0°F (1989) | 2.35 in (1971) |
| December 16 | 70.0°F (2021) | -18.0°F (1951) | 1.03 in (1895) |
| December 17 | 57.9°F (1895) | -11.9°F (1945) | 0.81 in (1921) |
| December 18 | 62.1°F (1939) | -16.1°F (1985) | 0.99 in (1895) |
| December 19 | 55.9°F (1918) | -18.9°F (1983) | 1.48 in (1895) |
| December 20 | 59.0°F (1988) | -18.9°F (1983) | 1.02 in (1987) |
| December 21 | 60.1°F (1967) | -20.0°F (1989) | 1.03 in (1949) |
| December 22 | 57.9°F (1933) | -20.0°F (1989) | 0.71 in (1941) |
| December 23 | 63.0°F (1933) | -22.0°F (1989) | 1.14 in (1932) |
| December 24 | 61.0°F (1955) | -22.0°F (1989) | 1.07 in (1965) |
| December 25 | 60.1°F (1936) | -20.0°F (1983) | 2.06 in (1965) |
| December 26 | 59.0°F (2019) | -15.0°F (1962) | 0.72 in (1904) |
| December 27 | 62.1°F (1946) | -13.0°F (1933) | 2.04 in (1942) |
| December 28 | 64.0°F (1946) | -26.0°F (1924) | 0.81 in (1959) |
| December 29 | 66.0°F (1984) | -15.0°F (1917) | 1.49 in (2015) |
| December 30 | 62.1°F (2002) | -14.1°F (1909) | 1.38 in (1936) |
| December 31 | 60.1°F (1965) | -14.1°F (1976) | 0.72 in (2024) |