December weather in Saco, ME
The average temperature in Saco in December is 30.3°F (22.4°F–38.3°F). Average precipitation: 4.50 inches. Average snowfall is 14.6 inches.
December is a winter month in Saco, and is cooler than the annual average of 47.5°F. Daily temperatures swing about 15.9°F between overnight low and afternoon high. Expect about 12 days with precipitation. Daylight averages about 8h 46m. For travel, December is cold.
Avg High
38.3°F
Avg Low
22.4°F
Precipitation
4.50 in
Snow
14.6 in
December records in Saco
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 66.0°F (2001) | 9.0°F (1989) | 1.12 in (2016) |
| December 2 | 61.0°F (1998) | 3.0°F (1940) | 1.88 in (1942) |
| December 3 | 68.0°F (2009) | -4.0°F (1940) | 2.00 in (1967) |
| December 4 | 69.1°F (1982) | -16.1°F (1940) | 3.50 in (1990) |
| December 5 | 60.1°F (2001) | 1.9°F (2025) | 1.99 in (2020) |
| December 6 | 71.1°F (2001) | 3.9°F (1940) | 3.13 in (1962) |
| December 7 | 71.1°F (1998) | 1.9°F (1955) | 1.64 in (1945) |
| December 8 | 57.9°F (1951) | -5.1°F (1989) | 1.46 in (1950) |
| December 9 | 54.0°F (1980) | -6.0°F (1949) | 1.95 in (2014) |
| December 10 | 57.9°F (2008) | -8.0°F (1949) | 2.39 in (1975) |
| December 11 | 60.1°F (1966) | -6.0°F (1958) | 2.33 in (2024) |
| December 12 | 64.0°F (1979) | -15.0°F (1977) | 1.87 in (1952) |
| December 13 | 60.1°F (1984) | -5.1°F (1976) | 2.97 in (1983) |
| December 14 | 55.0°F (2006) | -6.0°F (1976) | 3.40 in (2019) |
| December 15 | 57.0°F (2008) | -2.9°F (1960) | 1.52 in (1968) |
| December 16 | 55.9°F (2008) | -9.0°F (1951) | 1.96 in (2005) |
| December 17 | 57.0°F (1984) | -11.9°F (1942) | 2.88 in (1973) |
| December 18 | 59.0°F (2023) | -9.0°F (1963) | 3.50 in (2012) |
| December 19 | 54.0°F (1949) | -13.0°F (1975) | 1.12 in (1986) |
| December 20 | 53.1°F (1957) | -20.0°F (1975) | 1.12 in (2002) |
| December 21 | 60.1°F (1957) | -14.1°F (1955) | 2.05 in (1946) |
| December 22 | 60.1°F (1949) | -14.1°F (1970) | 1.35 in (1983) |
| December 23 | 66.0°F (1990) | -9.0°F (1945) | 1.80 in (1952) |
| December 24 | 53.1°F (1957) | -13.0°F (1989) | 2.99 in (1994) |
| December 25 | 62.1°F (2015) | -16.1°F (1980) | 1.87 in (1986) |
| December 26 | 60.1°F (1982) | -20.0°F (1980) | 2.74 in (1975) |
| December 27 | 57.0°F (1949) | -8.0°F (1951) | 1.68 in (1969) |
| December 28 | 57.0°F (1949) | -13.0°F (1951) | 1.24 in (1983) |
| December 29 | 55.9°F (1984) | -12.8°F (2017) | 1.80 in (2025) |
| December 30 | 55.0°F (1984) | -16.1°F (1963) | 2.07 in (1942) |
| December 31 | 53.1°F (1990) | -20.9°F (1963) | 1.49 in (1972) |