December weather in Mentor-on-the-Lake, OH
The average temperature in Mentor-on-the-Lake in December is 36.2°F (30.3°F–42.0°F). Average precipitation: 3.14 inches.
December is a winter month in Mentor-on-the-Lake, and is cooler than the annual average of 52.8°F. Daily temperatures swing about 11.7°F between overnight low and afternoon high. Expect about 14 days with precipitation. Daylight averages about 8h 59m. For travel, December is cold.
Avg High
42.0°F
Avg Low
30.3°F
Precipitation
3.14 in
Daylight
8h 59m
December records in Mentor-on-the-Lake
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 68.0°F (1998) | 10.0°F (1976) | 2.70 in (2006) |
| December 2 | 72.0°F (1982) | 10.0°F (1976) | 1.20 in (1974) |
| December 3 | 75.0°F (1982) | 8.1°F (1976) | 1.81 in (2020) |
| December 4 | 73.9°F (1982) | 8.1°F (1976) | 0.92 in (1993) |
| December 5 | 68.0°F (1998) | 10.9°F (1976) | 1.02 in (2011) |
| December 6 | 72.0°F (1998) | 16.0°F (1958) | 0.91 in (1975) |
| December 7 | 69.1°F (1998) | 14.0°F (1984) | 1.25 in (1957) |
| December 8 | 69.1°F (1966) | 10.0°F (2005) | 0.43 in (1958) |
| December 9 | 63.0°F (1980) | 1.9°F (1977) | 1.01 in (2008) |
| December 10 | 70.0°F (1971) | 0.0°F (1977) | 1.41 in (2008) |
| December 11 | 66.9°F (1971) | 1.0°F (1958) | 0.70 in (1969) |
| December 12 | 66.9°F (2015) | 9.0°F (1988) | 0.92 in (2007) |
| December 13 | 66.9°F (2015) | -2.0°F (1962) | 0.46 in (2007) |
| December 14 | 66.0°F (2015) | 6.1°F (1958) | 1.62 in (1977) |
| December 15 | 69.1°F (1971) | 5.0°F (1958) | 0.83 in (1971) |
| December 16 | 64.9°F (1984) | -0.9°F (1951) | 0.97 in (1982) |
| December 17 | 64.0°F (1984) | -2.9°F (1989) | 0.76 in (2001) |
| December 18 | 60.1°F (2025) | 1.9°F (1989) | 0.70 in (1953) |
| December 19 | 62.1°F (1957) | 3.9°F (1985) | 0.80 in (1982) |
| December 20 | 63.0°F (1957) | 3.9°F (1985) | 0.93 in (1973) |
| December 21 | 66.0°F (1967) | 6.1°F (1989) | 1.03 in (2013) |
| December 22 | 66.9°F (1967) | -4.0°F (1989) | 1.70 in (2013) |
| December 23 | 64.9°F (2015) | -0.9°F (1960) | 2.03 in (2004) |
| December 24 | 66.9°F (2015) | -4.0°F (1960) | 0.96 in (1979) |
| December 25 | 66.0°F (1964) | -11.0°F (1983) | 2.31 in (1979) |
| December 26 | 64.9°F (1982) | -9.9°F (1983) | 0.80 in (2022) |
| December 27 | 66.0°F (2008) | 5.0°F (1950) | 1.50 in (2015) |
| December 28 | 68.0°F (1982) | 1.9°F (1950) | 1.58 in (1968) |
| December 29 | 68.0°F (1984) | -2.0°F (1961) | 1.07 in (2024) |
| December 30 | 64.0°F (2022) | -8.0°F (1983) | 1.85 in (1990) |
| December 31 | 63.0°F (1965) | 0.0°F (1976) | 0.45 in (2022) |