December weather in Delmar, IA
The average temperature in Delmar in December is 25.3°F (18.0°F–32.5°F). Average precipitation: 1.78 inches. Average snowfall is 7.1 inches.
December is a winter month in Delmar, and is cooler than the annual average of 47.9°F. Daily temperatures swing about 14.5°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 8h 57m. For travel, December is cold.
Avg High
32.5°F
Avg Low
18.0°F
Precipitation
1.78 in
Snow
7.1 in
December records in Delmar
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 60.1°F (1962) | 3.9°F (1971) | 1.20 in (2000) |
| December 2 | 64.9°F (1962) | -5.1°F (1976) | 1.75 in (1982) |
| December 3 | 66.0°F (1970) | -11.9°F (1940) | 1.00 in (1902) |
| December 4 | 64.9°F (2012) | -7.1°F (1991) | 1.24 in (1973) |
| December 5 | 68.0°F (1998) | -8.0°F (2005) | 1.00 in (1947) |
| December 6 | 66.9°F (2001) | -11.0°F (2005) | 0.84 in (1943) |
| December 7 | 57.0°F (1951) | -15.0°F (1976) | 0.82 in (1994) |
| December 8 | 64.0°F (1946) | -15.0°F (2005) | 0.92 in (1980) |
| December 9 | 63.0°F (1946) | -23.1°F (1958) | 0.95 in (1953) |
| December 10 | 55.9°F (1946) | -25.1°F (1919) | 1.05 in (2003) |
| December 11 | 62.1°F (1949) | -20.0°F (1972) | 1.28 in (1899) |
| December 12 | 60.1°F (1949) | -14.1°F (1958) | 1.12 in (2020) |
| December 13 | 61.0°F (2015) | -22.0°F (1903) | 0.86 in (1901) |
| December 14 | 61.0°F (2015) | -20.0°F (1903) | 1.86 in (2015) |
| December 15 | 59.0°F (2021) | -22.0°F (1917) | 2.66 in (1971) |
| December 16 | 55.9°F (1939) | -18.0°F (1932) | 1.04 in (1992) |
| December 17 | 55.0°F (1939) | -18.9°F (1953) | 0.42 in (1915) |
| December 18 | 54.0°F (1939) | -17.0°F (1985) | 0.96 in (1957) |
| December 19 | 54.0°F (1918) | -22.0°F (1985) | 1.08 in (1968) |
| December 20 | 57.0°F (1967) | -17.0°F (1963) | 1.15 in (1957) |
| December 21 | 57.0°F (1967) | -27.0°F (1963) | 1.24 in (2006) |
| December 22 | 59.0°F (2023) | -22.0°F (1963) | 0.37 in (1968) |
| December 23 | 55.9°F (1965) | -23.1°F (1960) | 1.12 in (1979) |
| December 24 | 57.9°F (1950) | -23.1°F (1983) | 1.54 in (1965) |
| December 25 | 57.0°F (1936) | -20.0°F (2000) | 1.62 in (2009) |
| December 26 | 59.0°F (2019) | -26.0°F (1914) | 0.88 in (1936) |
| December 27 | 57.9°F (1946) | -24.0°F (1933) | 1.30 in (1988) |
| December 28 | 62.1°F (1946) | -16.1°F (1933) | 0.98 in (1927) |
| December 29 | 55.9°F (2019) | -16.1°F (1925) | 0.90 in (1905) |
| December 30 | 61.0°F (2022) | -18.0°F (1963) | 1.20 in (2020) |
| December 31 | 59.0°F (1965) | -18.9°F (1963) | 0.44 in (1949) |