January weather in Watertown Town, MA
The average temperature in Watertown Town in January is 28.2°F (19.4°F–37.0°F). Average precipitation: 3.87 inches.
January is a winter month in Watertown Town, and is cooler than the annual average of 51.2°F. Daily temperatures swing about 17.6°F between overnight low and afternoon high. Daylight averages about 9h 14m. For travel, January is cold.
Avg High
37.0°F
Avg Low
19.4°F
Precipitation
3.87 in
Daylight
9h 14m
January records in Watertown Town
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 64.9°F (1966) | -2.0°F (1963) | 0.81 in (2019) |
| January 2 | 60.1°F (1966) | -2.0°F (1968) | 1.50 in (1982) |
| January 3 | 57.9°F (1979) | 0.0°F (1999) | 1.51 in (1979) |
| January 4 | 64.9°F (2000) | -6.0°F (2014) | 1.87 in (1999) |
| January 5 | 64.0°F (2000) | -7.1°F (1981) | 1.47 in (2018) |
| January 6 | 59.0°F (1993) | -2.0°F (1996) | 0.60 in (2019) |
| January 7 | 57.0°F (2014) | -5.1°F (2018) | 0.84 in (2024) |
| January 8 | 59.0°F (2012) | -5.1°F (2018) | 1.86 in (1977) |
| January 9 | 57.0°F (1978) | -6.0°F (1968) | 1.20 in (1978) |
| January 10 | 57.9°F (1965) | -4.0°F (1968) | 2.72 in (2024) |
| January 11 | 59.0°F (2016) | -4.0°F (1968) | 2.03 in (1977) |
| January 12 | 66.9°F (2020) | -2.0°F (1982) | 1.50 in (2011) |
| January 13 | 72.0°F (2020) | -2.0°F (1974) | 2.02 in (2018) |
| January 14 | 60.1°F (2024) | -2.9°F (1988) | 1.70 in (1979) |
| January 15 | 66.0°F (1995) | -6.0°F (1988) | 1.23 in (1999) |
| January 16 | 64.0°F (1995) | -6.0°F (1994) | 2.91 in (1983) |
| January 17 | 63.0°F (1995) | -7.1°F (1971) | 0.94 in (2022) |
| January 18 | 60.1°F (1986) | -8.0°F (1974) | 1.40 in (1994) |
| January 19 | 64.0°F (1973) | -9.0°F (1971) | 1.03 in (2011) |
| January 20 | 63.0°F (1973) | -5.1°F (1971) | 1.36 in (2019) |
| January 21 | 54.0°F (1986) | -2.9°F (1994) | 1.69 in (1964) |
| January 22 | 55.9°F (2017) | -9.9°F (1984) | 1.57 in (1979) |
| January 23 | 55.0°F (1973) | -8.0°F (1976) | 1.16 in (1987) |
| January 24 | 62.1°F (1967) | -4.0°F (1976) | 2.63 in (1998) |
| January 25 | 61.0°F (1967) | -2.9°F (2011) | 2.62 in (1979) |
| January 26 | 57.0°F (2010) | 0.0°F (1982) | 2.18 in (1978) |
| January 27 | 61.0°F (1967) | -5.1°F (1994) | 2.02 in (1986) |
| January 28 | 64.9°F (1974) | -2.9°F (1971) | 1.82 in (1996) |
| January 29 | 55.9°F (2002) | -2.0°F (2003) | 1.35 in (1973) |
| January 30 | 68.0°F (2002) | -0.9°F (1965) | 1.46 in (1990) |
| January 31 | 60.1°F (2013) | 0.0°F (2026) | 1.20 in (1987) |