January weather in Brentwood, MD
The average temperature in Brentwood in January is 36.2°F (27.8°F–44.7°F). Average precipitation: 3.03 inches. Average snowfall is 4.7 inches.
January is a winter month in Brentwood, and is cooler than the annual average of 58.3°F. Daily temperatures swing about 16.9°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 9h 33m. For travel, January is cold.
Avg High
44.7°F
Avg Low
27.8°F
Precipitation
3.03 in
Snow
4.7 in
January records in Brentwood
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 71.1°F (1993) | 8.1°F (1984) | 2.43 in (1976) |
| January 2 | 71.1°F (2023) | 3.0°F (1968) | 0.95 in (2021) |
| January 3 | 71.1°F (2023) | 9.0°F (1979) | 1.32 in (1999) |
| January 4 | 71.1°F (1950) | 9.0°F (1979) | 0.84 in (1985) |
| January 5 | 73.0°F (2004) | 10.0°F (1979) | 1.26 in (2000) |
| January 6 | 73.9°F (1950) | 7.0°F (1999) | 0.97 in (1966) |
| January 7 | 70.0°F (1950) | 5.0°F (2014) | 1.48 in (2009) |
| January 8 | 70.0°F (1998) | 5.0°F (2014) | 1.29 in (1996) |
| January 9 | 71.1°F (2008) | 6.1°F (1970) | 2.28 in (1978) |
| January 10 | 70.0°F (1950) | 3.9°F (1982) | 2.27 in (2024) |
| January 11 | 69.1°F (1950) | -5.1°F (1982) | 0.81 in (1984) |
| January 12 | 73.0°F (1975) | 1.9°F (1982) | 1.40 in (1991) |
| January 13 | 73.9°F (2018) | 5.0°F (1981) | 0.75 in (1964) |
| January 14 | 71.1°F (2005) | 6.1°F (1981) | 1.83 in (2005) |
| January 15 | 73.0°F (1952) | 5.0°F (1964) | 0.91 in (1999) |
| January 16 | 71.1°F (1952) | 1.9°F (1972) | 0.74 in (1998) |
| January 17 | 64.9°F (1949) | -9.9°F (1982) | 1.21 in (2022) |
| January 18 | 70.0°F (1990) | -5.1°F (1982) | 0.91 in (1978) |
| January 19 | 71.1°F (1951) | -5.1°F (1994) | 1.20 in (1980) |
| January 20 | 71.1°F (1951) | -5.1°F (1994) | 1.48 in (1995) |
| January 21 | 66.0°F (1951) | -6.0°F (1985) | 1.48 in (1979) |
| January 22 | 71.1°F (1959) | -4.0°F (1984) | 0.87 in (1954) |
| January 23 | 73.0°F (1967) | -2.0°F (1984) | 1.17 in (2006) |
| January 24 | 75.0°F (1950) | 1.9°F (1963) | 1.18 in (1998) |
| January 25 | 77.0°F (1950) | 1.9°F (1987) | 1.25 in (2020) |
| January 26 | 80.1°F (1950) | 3.9°F (1987) | 1.86 in (1978) |
| January 27 | 78.1°F (2024) | 1.0°F (1987) | 1.55 in (2011) |
| January 28 | 73.0°F (1974) | 3.0°F (1987) | 1.05 in (1998) |
| January 29 | 71.1°F (1949) | 0.0°F (1961) | 1.13 in (1998) |
| January 30 | 75.9°F (1975) | 9.0°F (2014) | 1.50 in (1966) |
| January 31 | 72.0°F (2013) | 5.0°F (1965) | 1.05 in (2013) |