December weather in Deep River, IA
The average temperature in Deep River in December is °F (°F–°F). Average precipitation: 1.57 inches. Average snowfall is 7.9 inches.
December is a winter month in Deep River, and is cooler than the annual average of 0°F. Expect about 7 days with precipitation. Daylight averages about 8h 60m.
Avg High
°F
Avg Low
°F
Precipitation
1.57 in
Snow
7.9 in
December records in Deep River
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 48.9°F (1939) | 12.0°F (1937) | 0.68 in (1981) |
| December 2 | 39.0°F (1939) | 8.1°F (1937) | 1.30 in (2007) |
| December 3 | 44.1°F (1938) | 19.9°F (1939) | 0.80 in (1990) |
| December 4 | 57.9°F (1939) | 12.0°F (1937) | 0.78 in (2011) |
| December 5 | 52.0°F (1939) | 1.9°F (1937) | 1.14 in (1973) |
| December 6 | 63.0°F (1939) | 0.0°F (1937) | 0.68 in (1982) |
| December 7 | 50.0°F (1939) | 9.0°F (1937) | 1.11 in (1994) |
| December 8 | 52.0°F (1939) | -0.9°F (1937) | 1.37 in (1980) |
| December 9 | 57.9°F (1939) | 0.0°F (1937) | 0.75 in (2009) |
| December 10 | 51.1°F (1939) | 1.0°F (1937) | 0.69 in (2003) |
| December 11 | 48.0°F (1939) | 1.9°F (1937) | 0.95 in (2007) |
| December 12 | 52.0°F (1939) | 16.0°F (1938) | 0.63 in (2020) |
| December 13 | 42.1°F (1938) | 12.9°F (1938) | 0.83 in (2015) |
| December 14 | 44.1°F (1939) | 14.0°F (1938) | 2.85 in (2015) |
| December 15 | 52.0°F (1939) | 14.0°F (1938) | 1.22 in (1971) |
| December 16 | 64.0°F (1939) | 18.0°F (1938) | 0.35 in (1992) |
| December 17 | 63.0°F (1939) | 10.9°F (1938) | 0.35 in (1967) |
| December 18 | 60.1°F (1939) | 16.0°F (1938) | 0.30 in (1951) |
| December 19 | 39.9°F (1939) | 14.0°F (1938) | 0.73 in (2008) |
| December 20 | 39.9°F (1938) | 17.1°F (1937) | 1.48 in (1952) |
| December 21 | 39.0°F (1937) | 12.0°F (1939) | 4.06 in (2009) |
| December 22 | 36.0°F (1937) | 10.0°F (1937) | 0.23 in (1949) |
| December 23 | 34.0°F (1938) | 6.1°F (1937) | 0.63 in (1961) |
| December 24 | 37.9°F (1939) | 14.0°F (1937) | 1.20 in (1965) |
| December 25 | 39.9°F (1939) | 8.1°F (1937) | 0.83 in (2009) |
| December 26 | 37.0°F (1937) | 5.0°F (1938) | 0.76 in (2016) |
| December 27 | 39.0°F (1937) | -2.9°F (1938) | 0.98 in (2018) |
| December 28 | 39.0°F (1937) | 8.1°F (1938) | 0.84 in (1982) |
| December 29 | 41.0°F (1937) | 0.0°F (1938) | 1.04 in (2019) |
| December 30 | 45.0°F (1937) | -2.9°F (1938) | 0.77 in (2020) |
| December 31 | 46.9°F (1937) | -6.0°F (1939) | 0.74 in (2006) |