January weather in Prosser, WA
The average temperature in Prosser in January is 33.5°F (26.8°F–40.1°F). Average precipitation: 1.24 inches.
January is a winter month in Prosser, and is cooler than the annual average of 53°F. Daily temperatures swing about 13.3°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 8h 48m. For travel, January is cold.
Avg High
40.1°F
Avg Low
26.8°F
Precipitation
1.24 in
Daylight
8h 48m
January records in Prosser
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 57.9°F (1939) | -8.0°F (1979) | 8.00 in (1927) |
| January 2 | 60.1°F (1998) | -4.0°F (1978) | 0.35 in (1936) |
| January 3 | 59.0°F (2007) | -6.0°F (1978) | 0.65 in (2025) |
| January 4 | 59.0°F (1989) | -0.9°F (1959) | 0.45 in (1931) |
| January 5 | 57.9°F (1994) | -8.0°F (2004) | 0.60 in (2004) |
| January 6 | 57.9°F (2015) | -8.0°F (1982) | 0.53 in (1983) |
| January 7 | 61.0°F (1945) | -7.1°F (1979) | 1.24 in (1948) |
| January 8 | 64.0°F (2002) | -6.0°F (1974) | 0.55 in (2005) |
| January 9 | 57.9°F (2002) | -6.0°F (1974) | 0.71 in (1980) |
| January 10 | 59.0°F (1953) | -4.0°F (1980) | 0.45 in (1979) |
| January 11 | 59.0°F (1983) | -5.1°F (1937) | 0.31 in (1988) |
| January 12 | 63.0°F (1945) | -7.1°F (1937) | 1.04 in (1959) |
| January 13 | 64.9°F (2021) | -2.9°F (1993) | 0.51 in (1958) |
| January 14 | 61.0°F (1967) | -6.0°F (1950) | 0.63 in (1988) |
| January 15 | 60.1°F (1961) | -5.1°F (1950) | 0.80 in (1956) |
| January 16 | 64.0°F (1976) | -2.9°F (1930) | 0.87 in (1978) |
| January 17 | 59.0°F (2011) | -15.0°F (1930) | 0.47 in (1971) |
| January 18 | 57.0°F (1998) | -4.0°F (1943) | 0.37 in (1974) |
| January 19 | 66.9°F (2005) | -4.0°F (1943) | 0.37 in (1953) |
| January 20 | 64.9°F (2005) | -15.0°F (1954) | 0.53 in (2016) |
| January 21 | 66.0°F (2012) | -20.0°F (1930) | 0.27 in (1985) |
| January 22 | 64.0°F (1968) | -18.9°F (1930) | 0.22 in (2024) |
| January 23 | 57.9°F (1947) | -14.1°F (1930) | 0.91 in (1970) |
| January 24 | 66.0°F (1935) | -13.0°F (1930) | 0.42 in (1970) |
| January 25 | 60.1°F (1935) | -8.0°F (1949) | 0.39 in (1975) |
| January 26 | 59.0°F (1934) | -18.0°F (1957) | 0.68 in (1975) |
| January 27 | 66.0°F (2003) | -18.0°F (1957) | 0.39 in (1942) |
| January 28 | 60.1°F (1962) | -18.0°F (1957) | 0.67 in (2008) |
| January 29 | 60.1°F (2011) | -16.1°F (1950) | 0.41 in (1986) |
| January 30 | 61.0°F (1971) | -9.9°F (1929) | 0.53 in (1929) |
| January 31 | 69.1°F (1971) | -14.1°F (1937) | 0.50 in (1997) |