Corvallis Weather in January
Average highs run from 34°F on January 1 to 38°F on January 31, and lows from 18°F to 20°F. Normal precipitation for the month is 0.66 in over about 9 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
- 36°F
- Average low
- 19°F
- Precipitation
- 0.66 in
- Snowfall
- 4.0 in
- Record high
- 65°FJan 26, 2015
- Record low
- -36°FJan 21, 1937
- Chance of a freeze
- 100%
- Daylight
- 8 h 41 min to 9 h 39 min
- Cloud cover
- 68%
- Humidity
- 95%
- Dew point
- 18°F
- Wind
- 5.4 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 | 34°F | 18°F | 62°F 1918 | -28°F 1979 | 32% | 9% |
| Jan 2 | 34°F | 18°F | 57°F 1939 | -20°F 1978 | 32% | 9% |
| Jan 3 | 34°F | 18°F | 57°F 1918 | -23°F 1910 | 32% | 9% |
| Jan 4 | 34°F | 18°F | 58°F 1984 | -19°F 1942 | 32% | 9% |
| Jan 5 | 34°F | 18°F | 55°F 2001 | -24°F 1942 | 32% | 9% |
| Jan 6 | 35°F | 18°F | 61°F 1914 | -26°F 1979 | 32% | 10% |
| Jan 7 | 35°F | 18°F | 55°F 1966 | -33°F 1937 | 31% | 10% |
| Jan 8 | 35°F | 18°F | 55°F 1986 | -28°F 1937 | 31% | 10% |
| Jan 9 | 35°F | 18°F | 58°F 1953 | -19°F 1937 | 31% | 10% |
| Jan 10 | 35°F | 19°F | 58°F 1959 | -33°F 1909 | 31% | 10% |
| Jan 11 | 35°F | 19°F | 60°F 1953 | -27°F 1963 | 31% | 10% |
| Jan 12 | 35°F | 19°F | 58°F 1953 | -27°F 1916 | 31% | 10% |
| Jan 13 | 35°F | 19°F | 59°F 1994 | -32°F 2024 | 31% | 10% |
| Jan 14 | 36°F | 19°F | 61°F 1973 | -25°F 2024 | 31% | 10% |
| Jan 15 | 36°F | 19°F | 61°F 1973 | -23°F 2024 | 31% | 10% |
| Jan 16 | 36°F | 19°F | 56°F 1909 | -28°F 1916 | 31% | 10% |
| Jan 17 | 36°F | 19°F | 56°F 1946 | -32°F 1930 | 31% | 10% |
| Jan 18 | 36°F | 19°F | 59°F 1994 | -30°F 1916 | 31% | 10% |
| Jan 19 | 36°F | 19°F | 62°F 1971 | -24°F 1916 | 31% | 10% |
| Jan 20 | 36°F | 20°F | 58°F 1989 | -30°F 1937 | 31% | 10% |
| Jan 21 | 36°F | 20°F | 56°F 1947 | -36°F 1937 | 31% | 10% |
| Jan 22 | 37°F | 20°F | 57°F 1910 | -30°F 1930 | 31% | 10% |
| Jan 23 | 37°F | 20°F | 58°F 1953 | -28°F 1930 | 31% | 10% |
| Jan 24 | 37°F | 20°F | 58°F 1953 | -27°F 1930 | 31% | 10% |
| Jan 25 | 37°F | 20°F | 57°F 2015 | -28°F 1957 | 31% | 9% |
| Jan 26 | 37°F | 20°F | 65°F 2015 | -35°F 1957 | 31% | 9% |
| Jan 27 | 37°F | 20°F | 61°F 1934 | -32°F 1957 | 31% | 9% |
| Jan 28 | 37°F | 20°F | 61°F 1931 | -23°F 1916 | 31% | 9% |
| Jan 29 | 37°F | 20°F | 60°F 2011 | -25°F 1916 | 32% | 9% |
| Jan 30 | 38°F | 20°F | 63°F 1989 | -28°F 1937 | 32% | 9% |
| Jan 31 | 38°F | 20°F | 62°F 2024 | -30°F 1937 | 32% | 9% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MST).
- January 1
- sunrise 8:20 AM, sunset 5:01 PM
- January 31
- sunrise 8:01 AM, sunset 5:40 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00248783 (Western Ag Rsch Ctr), public domain. Records: NOAA GHCN-Daily, station USC00243885, 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.