January weather in Waltham, MA
The average temperature in Waltham in January is 27.5°F (18.2°F–36.8°F). Average precipitation: 2.90 inches.
January is a winter month in Waltham, and is cooler than the annual average of 50.5°F. Daily temperatures swing about 18.6°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 9h 13m. For travel, January is cold.
Avg High
36.8°F
Avg Low
18.2°F
Precipitation
2.90 in
Daylight
9h 13m
January records in Waltham
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 57.9°F (1966) | -11.9°F (1964) | 1.47 in (1961) |
| January 2 | 54.0°F (2000) | -14.1°F (1968) | 0.93 in (1959) |
| January 3 | 63.0°F (2000) | -6.9°F (2014) | 1.30 in (1999) |
| January 4 | 64.9°F (1950) | -11.7°F (2014) | 0.88 in (2000) |
| January 5 | 62.1°F (2007) | -4.0°F (1969) | 0.71 in (1952) |
| January 6 | 71.1°F (2007) | -0.8°F (2018) | 1.96 in (1962) |
| January 7 | 60.1°F (2012) | -10.8°F (2018) | 1.21 in (2009) |
| January 8 | 61.0°F (2008) | -5.1°F (1968) | 0.87 in (1956) |
| January 9 | 62.1°F (2008) | -6.0°F (1968) | 2.10 in (1956) |
| January 10 | 59.0°F (2016) | -5.1°F (1968) | 1.96 in (2024) |
| January 11 | 70.0°F (2020) | -7.1°F (1968) | 1.29 in (2008) |
| January 12 | 72.0°F (2020) | -18.0°F (1968) | 1.02 in (2012) |
| January 13 | 61.0°F (2018) | -9.0°F (1968) | 1.10 in (2024) |
| January 14 | 62.1°F (2005) | -18.9°F (1957) | 0.77 in (2005) |
| January 15 | 57.0°F (2022) | -15.0°F (1957) | 2.63 in (1958) |
| January 16 | 55.9°F (1953) | -9.8°F (2009) | 1.39 in (2021) |
| January 17 | 51.1°F (2023) | -11.9°F (1957) | 1.13 in (2022) |
| January 18 | 62.1°F (2006) | -20.0°F (1957) | 0.97 in (2011) |
| January 19 | 57.9°F (1949) | -9.0°F (2003) | 0.56 in (1960) |
| January 20 | 57.9°F (1951) | -6.0°F (1970) | 1.02 in (1961) |
| January 21 | 60.1°F (2006) | -7.1°F (1961) | 1.28 in (1964) |
| January 22 | 62.1°F (1959) | -15.0°F (1961) | 1.16 in (1958) |
| January 23 | 60.1°F (1967) | -9.9°F (1970) | 0.82 in (2006) |
| January 24 | 60.1°F (1967) | -11.9°F (1961) | 1.86 in (2019) |
| January 25 | 57.0°F (2010) | -5.8°F (2009) | 1.11 in (2010) |
| January 26 | 70.0°F (1950) | -4.0°F (2004) | 1.70 in (1958) |
| January 27 | 57.9°F (2002) | 0.1°F (2022) | 1.10 in (2012) |
| January 28 | 54.0°F (2002) | -9.0°F (2005) | 1.21 in (2009) |
| January 29 | 64.0°F (2002) | -11.7°F (2015) | 0.37 in (2006) |
| January 30 | 61.0°F (2013) | -2.0°F (1952) | 0.83 in (1966) |
| January 31 | 61.0°F (2013) | -13.0°F (2026) | 0.62 in (2025) |