January weather in Ilwaco, WA
The average temperature in Ilwaco in January is 42.4°F (35.9°F–48.8°F). Average precipitation: 12.04 inches.
January is a winter month in Ilwaco, and is cooler than the annual average of 49.8°F. Daily temperatures swing about 12.9°F between overnight low and afternoon high. Expect about 23 days with precipitation. Daylight averages about 8h 48m. For travel, January is a wet month.
Avg High
48.8°F
Avg Low
35.9°F
Precipitation
12.04 in
Daylight
8h 48m
January records in Ilwaco
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 55.0°F (1997) | 15.1°F (1979) | 2.20 in (1997) |
| January 2 | 62.1°F (2001) | 19.9°F (1974) | 2.23 in (2009) |
| January 3 | 61.0°F (1981) | 12.9°F (2017) | 1.25 in (2007) |
| January 4 | 55.9°F (1984) | 18.0°F (2017) | 2.49 in (1976) |
| January 5 | 60.1°F (1981) | 14.0°F (2017) | 1.82 in (1983) |
| January 6 | 57.9°F (2003) | 10.9°F (1974) | 2.31 in (2006) |
| January 7 | 61.0°F (2003) | 10.9°F (1982) | 1.90 in (2008) |
| January 8 | 61.0°F (1986) | 18.0°F (1974) | 2.44 in (2007) |
| January 9 | 59.0°F (2003) | 12.9°F (1974) | 8.85 in (2000) |
| January 10 | 59.0°F (2003) | 16.0°F (1993) | 2.10 in (2006) |
| January 11 | 57.9°F (1986) | 16.0°F (1993) | 1.53 in (2018) |
| January 12 | 59.0°F (1983) | 19.9°F (2007) | 1.95 in (2009) |
| January 13 | 64.9°F (1981) | 19.9°F (2007) | 2.59 in (1970) |
| January 14 | 64.0°F (1981) | 21.0°F (2007) | 2.15 in (1976) |
| January 15 | 63.0°F (2018) | 21.0°F (2007) | 2.75 in (1976) |
| January 16 | 62.1°F (1996) | 19.0°F (1984) | 2.24 in (1980) |
| January 17 | 62.1°F (1985) | 18.0°F (1984) | 1.83 in (1997) |
| January 18 | 62.1°F (2009) | 18.0°F (1984) | 3.24 in (1999) |
| January 19 | 60.1°F (1981) | 18.0°F (1984) | 2.51 in (1972) |
| January 20 | 60.1°F (1976) | 14.0°F (1969) | 1.89 in (1970) |
| January 21 | 61.0°F (1976) | 17.1°F (1969) | 2.30 in (2016) |
| January 22 | 62.1°F (1981) | 16.0°F (1969) | 3.52 in (2016) |
| January 23 | 63.0°F (1968) | 21.9°F (2008) | 4.65 in (1982) |
| January 24 | 61.0°F (2005) | 14.0°F (2017) | 1.92 in (1972) |
| January 25 | 63.0°F (2006) | 14.0°F (2017) | 3.17 in (1971) |
| January 26 | 62.1°F (2015) | 21.0°F (1969) | 1.60 in (1970) |
| January 27 | 57.9°F (2015) | 12.9°F (1980) | 2.13 in (1983) |
| January 28 | 57.9°F (2011) | 10.0°F (1980) | 2.52 in (2016) |
| January 29 | 59.0°F (1998) | 8.1°F (1980) | 3.10 in (1995) |
| January 30 | 59.0°F (1995) | 8.1°F (1980) | 3.75 in (2006) |
| January 31 | 63.0°F (1976) | 15.1°F (1979) | 1.90 in (1974) |