Benton County Weather in January
Average highs run from 38°F on January 1 to 43°F on January 31, and lows from 26°F to 27°F. Normal precipitation for the month is 1.24 in over about 8 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
- 40°F
- Average low
- 27°F
- Precipitation
- 1.24 in
- Record high
- 71°FJan 31, 1971
- Record low
- -21°FJan 29, 1950
- Chance of a freeze
- 100%
- Daylight
- 8 h 42 min to 9 h 40 min
- Cloud cover
- 75%
- Humidity
- 81%
- Dew point
- 29°F
- Wind
- 8.3 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Jan 1 | 38°F | 26°F | 62°F 1948 | -6°F 1979 | 27% |
| Jan 2 | 38°F | 26°F | 66°F 1948 | -6°F 1979 | 27% |
| Jan 3 | 38°F | 26°F | 60°F 1989 | 0°F 1950 | 27% |
| Jan 4 | 38°F | 26°F | 60°F 1951 | -3°F 2004 | 27% |
| Jan 5 | 39°F | 26°F | 59°F 1967 | -7°F 1950 | 27% |
| Jan 6 | 39°F | 26°F | 62°F 1956 | -2°F 1974 | 27% |
| Jan 7 | 39°F | 26°F | 65°F 1945 | -2°F 1974 | 27% |
| Jan 8 | 39°F | 27°F | 62°F 1962 | -2°F 1979 | 27% |
| Jan 9 | 39°F | 27°F | 64°F 1953 | 0°F 1974 | 27% |
| Jan 10 | 39°F | 27°F | 65°F 1990 | -3°F 1949 | 27% |
| Jan 11 | 39°F | 27°F | 58°F 2014 | -5°F 1949 | 27% |
| Jan 12 | 39°F | 27°F | 62°F 1945 | -4°F 1949 | 27% |
| Jan 13 | 40°F | 27°F | 64°F 1983 | -5°F 1949 | 27% |
| Jan 14 | 40°F | 27°F | 64°F 1967 | -3°F 1949 | 27% |
| Jan 15 | 40°F | 27°F | 65°F 1974 | -4°F 1950 | 26% |
| Jan 16 | 40°F | 27°F | 64°F 1976 | 1°F 1949 | 26% |
| Jan 17 | 40°F | 27°F | 62°F 1974 | -12°F 1950 | 26% |
| Jan 18 | 40°F | 27°F | 60°F 1975 | -4°F 1950 | 26% |
| Jan 19 | 40°F | 27°F | 63°F 1977 | 3°F 1950 | 26% |
| Jan 20 | 41°F | 27°F | 65°F 1968 | -10°F 1954 | 26% |
| Jan 21 | 41°F | 27°F | 67°F 1968 | -1°F 1954 | 25% |
| Jan 22 | 41°F | 27°F | 67°F 1968 | 4°F 1969 | 25% |
| Jan 23 | 41°F | 27°F | 60°F 1948 | -4°F 1969 | 25% |
| Jan 24 | 41°F | 27°F | 67°F 1947 | -7°F 1949 | 25% |
| Jan 25 | 42°F | 27°F | 65°F 1947 | -11°F 1949 | 25% |
| Jan 26 | 42°F | 27°F | 64°F 2003 | -16°F 1957 | 24% |
| Jan 27 | 42°F | 27°F | 63°F 1971 | -19°F 1957 | 24% |
| Jan 28 | 42°F | 27°F | 61°F 1967 | -10°F 1957 | 24% |
| Jan 29 | 42°F | 27°F | 65°F 1967 | -21°F 1950 | 24% |
| Jan 30 | 43°F | 27°F | 65°F 1967 | -17°F 1950 | 24% |
| Jan 31 | 43°F | 27°F | 71°F 1971 | -20°F 1950 | 23% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (PST).
- January 1
- sunrise 7:41 AM, sunset 4:23 PM
- January 31
- sunrise 7:22 AM, sunset 5:02 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00456768 (Prosser), public domain. Records: NOAA GHCN-Daily, station USC00457015, 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.