December weather in Onekama, MI
The average temperature in Onekama in December is 29.7°F (24.4°F–35.1°F). Average precipitation: 2.68 inches.
December is a winter month in Onekama, and is cooler than the annual average of 47.5°F. Daily temperatures swing about 10.7°F between overnight low and afternoon high. Expect about 16 days with precipitation. Daylight averages about 8h 40m. For travel, December is cold.
Avg High
35.1°F
Avg Low
24.4°F
Precipitation
2.68 in
Daylight
8h 40m
December records in Onekama
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 62.1°F (1970) | 5.0°F (1936) | 1.10 in (1897) |
| December 2 | 57.0°F (1951) | 1.9°F (1976) | 1.00 in (2007) |
| December 3 | 62.1°F (1951) | 1.9°F (1976) | 1.12 in (1982) |
| December 4 | 63.0°F (2012) | 5.0°F (1926) | 0.43 in (2011) |
| December 5 | 63.0°F (2001) | 8.1°F (1958) | 1.40 in (1982) |
| December 6 | 64.0°F (2001) | 3.0°F (1991) | 0.90 in (2010) |
| December 7 | 55.0°F (1946) | 6.1°F (1954) | 1.31 in (2004) |
| December 8 | 60.1°F (1946) | 1.0°F (2025) | 0.85 in (1916) |
| December 9 | 60.1°F (1946) | -2.0°F (1995) | 1.19 in (1962) |
| December 10 | 57.9°F (1911) | 3.9°F (1995) | 1.90 in (1911) |
| December 11 | 63.0°F (1949) | -0.9°F (1958) | 0.55 in (1949) |
| December 12 | 54.0°F (1949) | -6.0°F (1958) | 0.91 in (2020) |
| December 13 | 59.0°F (2015) | 1.9°F (1903) | 0.90 in (1909) |
| December 14 | 57.9°F (2015) | -4.0°F (1937) | 1.55 in (2015) |
| December 15 | 62.1°F (2021) | -4.0°F (1901) | 1.18 in (1971) |
| December 16 | 63.0°F (2021) | -4.0°F (1901) | 0.70 in (1984) |
| December 17 | 48.0°F (2006) | -2.0°F (1901) | 0.75 in (1921) |
| December 18 | 55.9°F (2017) | -6.0°F (1926) | 0.48 in (1981) |
| December 19 | 53.1°F (2002) | 0.0°F (1919) | 0.77 in (1968) |
| December 20 | 50.0°F (1949) | -4.0°F (1983) | 1.25 in (2012) |
| December 21 | 53.1°F (1967) | -4.0°F (1983) | 0.80 in (2012) |
| December 22 | 53.1°F (1957) | -6.0°F (1945) | 0.88 in (2006) |
| December 23 | 55.9°F (2015) | -23.1°F (1945) | 0.66 in (1956) |
| December 24 | 57.9°F (2015) | -2.0°F (1983) | 0.96 in (1889) |
| December 25 | 62.1°F (1982) | 1.9°F (1983) | 0.75 in (1936) |
| December 26 | 57.0°F (1951) | -2.0°F (1951) | 1.06 in (1888) |
| December 27 | 57.0°F (1984) | -4.0°F (2004) | 1.41 in (1946) |
| December 28 | 57.9°F (1984) | -4.0°F (2000) | 1.20 in (2008) |
| December 29 | 55.0°F (1889) | -2.0°F (1935) | 1.29 in (2015) |
| December 30 | 57.9°F (1936) | -8.0°F (1976) | 1.07 in (1971) |
| December 31 | 57.9°F (1936) | -14.1°F (1976) | 0.50 in (1923) |