January weather in Washington, IL
The average temperature in Washington in January is °F (°F–°F). Average precipitation: 2.21 inches. Average snowfall is 7.1 inches.
January is a winter month in Washington, and is cooler than the annual average of 0°F. Expect about 9 days with precipitation. Daylight averages about 9h 23m.
Avg High
°F
Avg Low
°F
Precipitation
2.21 in
Snow
7.1 in
January records in Washington
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | — | — | 0.87 in (2011) |
| January 2 | — | — | 0.83 in (2006) |
| January 3 | — | — | 0.51 in (2005) |
| January 4 | — | — | 0.67 in (2015) |
| January 5 | — | — | 1.23 in (2007) |
| January 6 | — | — | 0.57 in (2005) |
| January 7 | — | — | 0.40 in (2010) |
| January 8 | — | — | 2.90 in (2008) |
| January 9 | — | — | 1.69 in (2026) |
| January 10 | — | — | 0.49 in (2024) |
| January 11 | — | — | 1.50 in (2013) |
| January 12 | — | — | 0.45 in (2024) |
| January 13 | — | — | 1.09 in (2005) |
| January 14 | — | — | 0.48 in (2006) |
| January 15 | — | — | 0.64 in (2007) |
| January 16 | — | — | 0.13 in (2023) |
| January 17 | — | — | 0.35 in (2017) |
| January 18 | — | — | 0.85 in (2020) |
| January 19 | — | — | 0.61 in (2023) |
| January 20 | — | — | 0.40 in (2000) |
| January 21 | — | — | 0.73 in (2006) |
| January 22 | — | — | 0.79 in (2018) |
| January 23 | — | — | 0.95 in (2019) |
| January 24 | — | — | 0.84 in (2010) |
| January 25 | — | — | 0.22 in (2023) |
| January 26 | — | — | 0.53 in (2024) |
| January 27 | — | — | 0.09 in (2004) |
| January 28 | — | — | 0.27 in (2013) |
| January 29 | — | — | 1.33 in (2006) |
| January 30 | — | — | 1.94 in (2013) |
| January 31 | — | — | 1.79 in (2002) |