December weather in Garner, IA
The average temperature in Garner in December is 21.3°F (12.9°F–29.8°F). Average precipitation: 1.13 inches.
December is a winter month in Garner, and is cooler than the annual average of 45.5°F. Daily temperatures swing about 16.9°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 8h 50m. For travel, December is cold.
Avg High
29.8°F
Avg Low
12.9°F
Precipitation
1.13 in
Daylight
8h 50m
December records in Garner
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 62.1°F (1962) | -8.0°F (1897) | 0.80 in (1945) |
| December 2 | 66.9°F (1998) | -15.0°F (1919) | 1.08 in (2007) |
| December 3 | 66.9°F (2012) | -18.0°F (1919) | 1.07 in (1990) |
| December 4 | 60.1°F (2012) | -9.9°F (1902) | 0.93 in (1960) |
| December 5 | 59.0°F (2001) | -11.0°F (2005) | 1.00 in (1948) |
| December 6 | 64.0°F (1939) | -18.0°F (1972) | 0.55 in (1969) |
| December 7 | 60.1°F (2001) | -18.0°F (1976) | 1.04 in (1926) |
| December 8 | 64.0°F (1946) | -20.0°F (1917) | 0.30 in (1977) |
| December 9 | 64.0°F (1946) | -20.9°F (1958) | 0.77 in (1987) |
| December 10 | 55.9°F (1979) | -25.1°F (1919) | 1.66 in (1911) |
| December 11 | 57.0°F (1946) | -18.0°F (1917) | 0.75 in (1965) |
| December 12 | 60.1°F (1968) | -20.0°F (1932) | 0.95 in (1991) |
| December 13 | 57.0°F (1921) | -25.1°F (1903) | 1.73 in (2007) |
| December 14 | 53.1°F (1998) | -27.0°F (1901) | 0.82 in (1994) |
| December 15 | 55.9°F (1939) | -24.0°F (1901) | 1.15 in (2015) |
| December 16 | 62.1°F (1939) | -23.1°F (1914) | 0.55 in (1995) |
| December 17 | 60.1°F (1939) | -16.1°F (1922) | 0.53 in (1994) |
| December 18 | 60.1°F (1923) | -20.9°F (1901) | 0.25 in (1948) |
| December 19 | 51.1°F (1923) | -20.0°F (1955) | 0.70 in (1968) |
| December 20 | 50.0°F (1967) | -20.9°F (1916) | 0.83 in (1988) |
| December 21 | 55.0°F (1941) | -24.0°F (1989) | 0.71 in (2006) |
| December 22 | 53.1°F (1941) | -24.0°F (1989) | 0.48 in (1952) |
| December 23 | 48.0°F (1936) | -27.0°F (1990) | 0.70 in (1926) |
| December 24 | 46.9°F (1940) | -20.0°F (1924) | 1.05 in (1945) |
| December 25 | 52.0°F (1946) | -20.0°F (2000) | 0.35 in (1973) |
| December 26 | 59.0°F (1936) | -26.0°F (1914) | 0.38 in (1941) |
| December 27 | 50.0°F (1936) | -22.0°F (1951) | 0.52 in (1959) |
| December 28 | 51.1°F (1984) | -25.1°F (1924) | 0.84 in (1987) |
| December 29 | 53.1°F (2002) | -24.0°F (1917) | 1.10 in (2015) |
| December 30 | 54.0°F (1965) | -18.9°F (1914) | 0.69 in (1931) |
| December 31 | 54.0°F (1965) | -20.9°F (1968) | 1.43 in (2007) |