December weather in Helena, OK
The average temperature in Helena in December is 37.1°F (26.0°F–48.1°F). Average precipitation: 1.45 inches. Average snowfall is 3.4 inches.
December is a winter month in Helena, and is cooler than the annual average of 58.8°F. Daily temperatures swing about 22.1°F between overnight low and afternoon high. Expect about 5 days with precipitation. Daylight averages about 9h 31m. For travel, December is cool.
Avg High
48.1°F
Avg Low
26.0°F
Precipitation
1.45 in
Snow
3.4 in
December records in Helena
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 72.0°F (1995) | 7.0°F (1985) | 1.12 in (2023) |
| December 2 | 72.0°F (1906) | 7.0°F (1985) | 1.46 in (1913) |
| December 3 | 77.0°F (2021) | 7.0°F (1985) | 1.37 in (1953) |
| December 4 | 73.0°F (1975) | 10.0°F (2009) | 2.90 in (1947) |
| December 5 | 73.9°F (1965) | 9.0°F (2009) | 1.03 in (1999) |
| December 6 | 73.0°F (1998) | 3.9°F (1972) | 0.71 in (1969) |
| December 7 | 70.0°F (1907) | 3.9°F (1972) | 0.45 in (1986) |
| December 8 | 78.1°F (1966) | 1.0°F (2005) | 1.05 in (1980) |
| December 9 | 70.0°F (2008) | 0.0°F (2005) | 1.50 in (1911) |
| December 10 | 71.1°F (2015) | 1.9°F (2013) | 0.59 in (2022) |
| December 11 | 77.0°F (1996) | 5.0°F (1966) | 1.60 in (1960) |
| December 12 | 69.1°F (2015) | -0.9°F (1961) | 0.80 in (1991) |
| December 13 | 69.1°F (1980) | 0.0°F (1961) | 0.80 in (2003) |
| December 14 | 70.0°F (2021) | 1.0°F (2000) | 0.98 in (1987) |
| December 15 | 73.9°F (2021) | -4.0°F (1989) | 1.37 in (2023) |
| December 16 | 78.1°F (2021) | -5.1°F (1989) | 1.15 in (1984) |
| December 17 | 70.0°F (1962) | 3.9°F (1964) | 0.50 in (1959) |
| December 18 | 71.1°F (1962) | -2.9°F (2016) | 0.47 in (1995) |
| December 19 | 69.1°F (1966) | -2.9°F (2016) | 1.11 in (1987) |
| December 20 | 72.0°F (1978) | -0.9°F (1983) | 1.89 in (2011) |
| December 21 | 68.0°F (1966) | -2.0°F (1983) | 1.50 in (1907) |
| December 22 | 64.9°F (1966) | -9.9°F (1989) | 0.80 in (1907) |
| December 23 | 70.0°F (2025) | -15.0°F (1989) | 1.27 in (1956) |
| December 24 | 70.0°F (2025) | -13.0°F (1989) | 1.58 in (1997) |
| December 25 | 77.0°F (2021) | -2.9°F (1983) | 0.32 in (1957) |
| December 26 | 79.0°F (2025) | 1.9°F (1962) | 0.49 in (2000) |
| December 27 | 80.1°F (2021) | 3.0°F (1962) | 1.87 in (2018) |
| December 28 | 78.1°F (2025) | 12.0°F (1983) | 1.00 in (1942) |
| December 29 | 73.0°F (1999) | -4.0°F (1983) | 0.72 in (1979) |
| December 30 | 68.0°F (1999) | -4.0°F (1983) | 0.79 in (2020) |
| December 31 | 73.9°F (2004) | -2.0°F (1911) | 0.33 in (1994) |