December weather in Grand River, IA
The average temperature in Grand River in December is 27.0°F (18.1°F–35.9°F). Average precipitation: 1.49 inches. Average snowfall is 6.0 inches.
December is a winter month in Grand River, and is cooler than the annual average of 49.2°F. Daily temperatures swing about 17.8°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 9h 5m. For travel, December is cold.
Avg High
35.9°F
Avg Low
18.1°F
Precipitation
1.49 in
Snow
6.0 in
December records in Grand River
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 64.0°F (1970) | 1.9°F (1985) | 0.70 in (2018) |
| December 2 | 66.0°F (1973) | -2.9°F (1985) | 0.66 in (2007) |
| December 3 | 63.0°F (1956) | -4.0°F (1985) | 0.74 in (2011) |
| December 4 | 66.9°F (2012) | 1.9°F (2005) | 1.00 in (2008) |
| December 5 | 66.9°F (2017) | -2.0°F (2005) | 1.04 in (1982) |
| December 6 | 66.0°F (2001) | -6.0°F (1972) | 0.33 in (2004) |
| December 7 | 59.0°F (1951) | -9.0°F (2005) | 1.59 in (1980) |
| December 8 | 60.1°F (1991) | -9.0°F (2005) | 0.41 in (1980) |
| December 9 | 54.0°F (1984) | -8.0°F (1995) | 0.66 in (2009) |
| December 10 | 61.0°F (2020) | -9.0°F (1995) | 0.85 in (1970) |
| December 11 | 64.9°F (1965) | -9.0°F (2009) | 1.40 in (2007) |
| December 12 | 63.0°F (1968) | -20.0°F (1989) | 0.71 in (2020) |
| December 13 | 60.1°F (1975) | -18.9°F (1989) | 0.74 in (2022) |
| December 14 | 60.1°F (1975) | -13.0°F (1985) | 1.50 in (2015) |
| December 15 | 60.1°F (2021) | -15.0°F (1989) | 0.58 in (2007) |
| December 16 | 72.0°F (2021) | -15.0°F (1989) | 0.45 in (2014) |
| December 17 | 57.9°F (2006) | -9.9°F (1989) | 0.16 in (1967) |
| December 18 | 62.1°F (1976) | -16.1°F (2016) | 1.10 in (1968) |
| December 19 | 55.9°F (1966) | -18.9°F (1983) | 0.59 in (2008) |
| December 20 | 57.0°F (1967) | -17.0°F (1989) | 0.90 in (2012) |
| December 21 | 57.0°F (1967) | -18.9°F (1989) | 0.85 in (2006) |
| December 22 | 57.9°F (1957) | -23.1°F (1989) | 0.90 in (1961) |
| December 23 | 62.1°F (1964) | -29.9°F (1989) | 0.50 in (1991) |
| December 24 | 55.0°F (1982) | -26.0°F (1989) | 1.60 in (1965) |
| December 25 | 57.9°F (1960) | -16.1°F (1983) | 1.46 in (2023) |
| December 26 | 61.0°F (2019) | -14.1°F (1962) | 0.46 in (2016) |
| December 27 | 59.0°F (1976) | -6.0°F (1951) | 1.92 in (1959) |
| December 28 | 66.9°F (1984) | -9.9°F (1961) | 0.77 in (1982) |
| December 29 | 66.9°F (1984) | -8.0°F (1983) | 1.10 in (2019) |
| December 30 | 61.0°F (1965) | -9.0°F (1961) | 1.60 in (1972) |
| December 31 | 63.0°F (2004) | -16.1°F (1976) | 0.80 in (2006) |