December weather in Gays, IL
The average temperature in Gays in December is 31.9°F (24.7°F–39.2°F). Average precipitation: 2.45 inches. Average snowfall is 2.6 inches.
December is a winter month in Gays, and is cooler than the annual average of 52.6°F. Daily temperatures swing about 14.5°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 9h 14m. For travel, December is cold.
Avg High
39.2°F
Avg Low
24.7°F
Precipitation
2.45 in
Snow
2.6 in
December records in Gays
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 71.1°F (1970) | 5.0°F (1964) | 0.77 in (1986) |
| December 2 | 70.0°F (1982) | 3.9°F (1929) | 3.05 in (1967) |
| December 3 | 70.0°F (1982) | -6.0°F (1929) | 1.83 in (1982) |
| December 4 | 71.1°F (1998) | 3.9°F (1991) | 1.70 in (1925) |
| December 5 | 68.0°F (1956) | 1.9°F (2025) | 1.13 in (1906) |
| December 6 | 70.0°F (1998) | 1.0°F (1977) | 1.15 in (1950) |
| December 7 | 68.0°F (1916) | -0.9°F (1917) | 4.50 in (1966) |
| December 8 | 68.0°F (1946) | -4.0°F (1909) | 1.25 in (1924) |
| December 9 | 68.0°F (1918) | -7.1°F (1909) | 0.53 in (2012) |
| December 10 | 64.9°F (1971) | -9.9°F (1917) | 1.59 in (1971) |
| December 11 | 64.0°F (1931) | -18.9°F (1917) | 2.28 in (1985) |
| December 12 | 64.9°F (1929) | -14.1°F (1917) | 1.66 in (1972) |
| December 13 | 66.9°F (2015) | -5.1°F (1962) | 1.37 in (1923) |
| December 14 | 64.9°F (1984) | -5.1°F (2025) | 2.95 in (1971) |
| December 15 | 72.0°F (1948) | -16.1°F (1917) | 2.15 in (1987) |
| December 16 | 66.9°F (1984) | -11.9°F (1951) | 0.85 in (1940) |
| December 17 | 64.9°F (1908) | -8.0°F (1914) | 1.55 in (1929) |
| December 18 | 64.0°F (1908) | -9.9°F (1922) | 1.52 in (1924) |
| December 19 | 57.9°F (1939) | -13.0°F (1983) | 1.60 in (1995) |
| December 20 | 66.9°F (1941) | -9.0°F (1989) | 1.17 in (1957) |
| December 21 | 64.9°F (1988) | -16.1°F (1989) | 2.40 in (1967) |
| December 22 | 59.0°F (1941) | -20.0°F (1989) | 1.15 in (2013) |
| December 23 | 64.9°F (1933) | -16.1°F (1989) | 1.55 in (1921) |
| December 24 | 63.0°F (2015) | -18.0°F (1983) | 2.01 in (1982) |
| December 25 | 63.0°F (1982) | -15.0°F (1983) | 1.03 in (1982) |
| December 26 | 66.9°F (1942) | -15.0°F (1914) | 0.88 in (1959) |
| December 27 | 64.9°F (2008) | -7.1°F (1935) | 4.05 in (2015) |
| December 28 | 69.1°F (1984) | -18.9°F (1924) | 1.09 in (2015) |
| December 29 | 68.0°F (2025) | -6.0°F (1917) | 1.83 in (1990) |
| December 30 | 64.9°F (1965) | -13.0°F (1909) | 2.10 in (1936) |
| December 31 | 64.0°F (1951) | -8.0°F (1976) | 1.45 in (1965) |