Washington Weather in January
Average highs run from 52°F on January 1 to 56°F on January 31, and lows from 28°F to 30°F. Normal precipitation for the month is 1.22 in over about 5 wet days.
January day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
January at a glance
- Average high
- 54°F
- Average low
- 28°F
- Precipitation
- 1.22 in
- Snowfall
- 0.5 in
- Record high
- 72°FJan 21, 2000
- Record low
- -11°FJan 22, 1937
- Chance of a freeze
- 100%
- Daylight
- 9 h 40 min to 10 h 21 min
- Cloud cover
- 49%
- Humidity
- 53%
- Dew point
- 23°F
- Wind
- 7.8 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Jan 1 | 52°F | 28°F | 66°F 1981 | 2°F 1901 | 18% | 0% |
| Jan 2 | 52°F | 28°F | 68°F 1981 | -1°F 1901 | 18% | 0% |
| Jan 3 | 52°F | 28°F | 68°F 1902 | -5°F 1912 | 18% | 0% |
| Jan 4 | 52°F | 28°F | 69°F 1918 | -6°F 1912 | 18% | 0% |
| Jan 5 | 52°F | 28°F | 68°F 1893 | 5°F 1971 | 18% | 0% |
| Jan 6 | 53°F | 28°F | 69°F 1893 | 1°F 1973 | 18% | 0% |
| Jan 7 | 53°F | 28°F | 68°F 2003 | 3°F 1913 | 18% | 0% |
| Jan 8 | 53°F | 28°F | 69°F 1948 | 6°F 1913 | 18% | 0% |
| Jan 9 | 53°F | 28°F | 67°F 1908 | -1°F 1937 | 18% | 0% |
| Jan 10 | 53°F | 28°F | 70°F 1996 | 11°F 1896 | 17% | 0% |
| Jan 11 | 53°F | 28°F | 70°F 1996 | 6°F 1937 | 17% | 0% |
| Jan 12 | 53°F | 28°F | 68°F 1986 | 6°F 1963 | 17% | 0% |
| Jan 13 | 54°F | 28°F | 70°F 1986 | 2°F 1963 | 17% | 0% |
| Jan 14 | 54°F | 28°F | 68°F 1908 | 8°F 1963 | 17% | 0% |
| Jan 15 | 54°F | 28°F | 70°F 1908 | 10°F 1898 | 17% | 0% |
| Jan 16 | 54°F | 28°F | 68°F 1976 | 10°F 1904 | 17% | 0% |
| Jan 17 | 54°F | 28°F | 69°F 1976 | 8°F 1917 | 17% | 0% |
| Jan 18 | 54°F | 28°F | 69°F 2011 | 10°F 1937 | 16% | 0% |
| Jan 19 | 54°F | 29°F | 71°F 1986 | 11°F 1943 | 16% | 0% |
| Jan 20 | 55°F | 29°F | 71°F 1986 | 8°F 1922 | 16% | 0% |
| Jan 21 | 55°F | 29°F | 72°F 2000 | -9°F 1937 | 16% | 0% |
| Jan 22 | 55°F | 29°F | 67°F 2000 | -11°F 1937 | 16% | 0% |
| Jan 23 | 55°F | 29°F | 70°F 1948 | -1°F 1937 | 16% | 0% |
| Jan 24 | 55°F | 29°F | 72°F 1948 | -2°F 1937 | 16% | 0% |
| Jan 25 | 55°F | 29°F | 70°F 1948 | -1°F 1937 | 16% | 0% |
| Jan 26 | 55°F | 29°F | 69°F 1899 | -11°F 1937 | 16% | 0% |
| Jan 27 | 56°F | 29°F | 70°F 1899 | -7°F 1937 | 16% | 0% |
| Jan 28 | 56°F | 29°F | 70°F 1931 | 8°F 1902 | 16% | 0% |
| Jan 29 | 56°F | 29°F | 72°F 1931 | 7°F 1904 | 16% | 0% |
| Jan 30 | 56°F | 30°F | 70°F 1935 | 2°F 1902 | 16% | 0% |
| Jan 31 | 56°F | 30°F | 71°F 1893 | 6°F 1902 | 16% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MST).
- January 1
- sunrise 7:48 AM, sunset 5:28 PM
- January 31
- sunrise 7:37 AM, sunset 5:58 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00427516 (St George), public domain. Records: NOAA GHCN-Daily, station USC00427516, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.