January weather in Mount Vernon, WA
The average temperature in Mount Vernon in January is 41.1°F (35.0°F–47.1°F). Average precipitation: inches.
January is a winter month in Mount Vernon, and is cooler than the annual average of 51.4°F. Daily temperatures swing about 12.1°F between overnight low and afternoon high. Daylight averages about 8h 32m. For travel, January is cool.
Avg High
47.1°F
Avg Low
35.0°F
Precipitation
in
Daylight
8h 32m
January records in Mount Vernon
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 59.0°F (1992) | 3.0°F (1993) | 0.92 in (1998) |
| January 2 | 57.9°F (2002) | 16.0°F (1959) | 1.04 in (1957) |
| January 3 | 57.9°F (1984) | 10.9°F (1959) | 1.01 in (1969) |
| January 4 | 60.1°F (1984) | 9.0°F (2004) | 0.98 in (1967) |
| January 5 | 55.0°F (2001) | 5.0°F (1982) | 1.07 in (1983) |
| January 6 | 59.0°F (2002) | 1.0°F (1982) | 1.27 in (1997) |
| January 7 | 61.0°F (1986) | 12.0°F (1973) | 0.98 in (1997) |
| January 8 | 64.0°F (2002) | 8.1°F (1973) | 1.51 in (1971) |
| January 9 | 59.0°F (1986) | 14.0°F (1974) | 0.73 in (1971) |
| January 10 | 60.1°F (1986) | 10.9°F (1973) | 1.13 in (1992) |
| January 11 | 61.0°F (1987) | 10.0°F (1963) | 0.40 in (1992) |
| January 12 | 55.9°F (1959) | 10.9°F (1963) | 0.97 in (1975) |
| January 13 | 60.1°F (1968) | 19.9°F (1993) | 1.07 in (1996) |
| January 14 | 61.0°F (1968) | 21.0°F (2005) | 1.10 in (1988) |
| January 15 | 57.0°F (1974) | 21.9°F (2005) | 0.92 in (1976) |
| January 16 | 60.1°F (1958) | 19.0°F (1957) | 0.74 in (1975) |
| January 17 | 59.0°F (1977) | 10.9°F (1957) | 1.24 in (1975) |
| January 18 | 57.9°F (1971) | 17.1°F (1957) | 0.67 in (1977) |
| January 19 | 62.1°F (1981) | 16.0°F (1962) | 0.44 in (1998) |
| January 20 | 64.0°F (1981) | 12.9°F (1962) | 0.51 in (1993) |
| January 21 | 66.0°F (1981) | 10.0°F (1957) | 0.98 in (1978) |
| January 22 | 59.0°F (1994) | 12.9°F (1969) | 1.25 in (1971) |
| January 23 | 60.1°F (2005) | 3.9°F (1969) | 2.06 in (1982) |
| January 24 | 57.9°F (2005) | 7.0°F (1969) | 2.01 in (1984) |
| January 25 | 60.1°F (2003) | 9.0°F (1957) | 0.76 in (1971) |
| January 26 | 61.0°F (2003) | -4.0°F (1957) | 1.03 in (1970) |
| January 27 | 57.0°F (1988) | -0.9°F (1957) | 0.78 in (1965) |
| January 28 | 60.1°F (1976) | 0.0°F (1957) | 1.50 in (1965) |
| January 29 | 62.1°F (1992) | 7.0°F (1972) | 0.66 in (2004) |
| January 30 | 57.9°F (1960) | 12.9°F (1957) | 1.74 in (1971) |
| January 31 | 64.9°F (1960) | 15.1°F (1956) | 0.50 in (1995) |