January weather in Atwater, CA
The average temperature in Atwater in January is 45.5°F (36.9°F–54.1°F). Average precipitation: 2.67 inches.
January is a winter month in Atwater, and is cooler than the annual average of 61.6°F. Daily temperatures swing about 17.2°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 9h 42m. For travel, January is cool.
Avg High
54.1°F
Avg Low
36.9°F
Precipitation
2.67 in
Daylight
9h 42m
January records in Atwater
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 77.0°F (1931) | 18.0°F (1976) | 1.20 in (1934) |
| January 2 | 66.0°F (1913) | 19.0°F (1924) | 1.68 in (2006) |
| January 3 | 68.0°F (1948) | 19.9°F (1970) | 1.18 in (1917) |
| January 4 | 69.1°F (1948) | 19.9°F (1949) | 1.02 in (1916) |
| January 5 | 70.0°F (2018) | 18.0°F (1949) | 0.99 in (1992) |
| January 6 | 70.0°F (1948) | 18.0°F (1913) | 1.07 in (2019) |
| January 7 | 69.1°F (1911) | 18.0°F (2007) | 1.25 in (1993) |
| January 8 | 70.0°F (1911) | 21.0°F (1937) | 0.97 in (2001) |
| January 9 | 75.0°F (1953) | 19.9°F (1904) | 1.93 in (2023) |
| January 10 | 66.0°F (1941) | 16.0°F (1949) | 0.92 in (2016) |
| January 11 | 70.0°F (1959) | 17.1°F (1949) | 0.97 in (1980) |
| January 12 | 84.9°F (2016) | 19.9°F (1920) | 0.75 in (1998) |
| January 13 | 71.1°F (1980) | 12.9°F (2007) | 1.57 in (1909) |
| January 14 | 69.1°F (1905) | 19.9°F (2007) | 0.80 in (1969) |
| January 15 | 72.0°F (1974) | 19.9°F (1904) | 2.04 in (1952) |
| January 16 | 71.1°F (1909) | 21.0°F (2007) | 0.93 in (1955) |
| January 17 | 70.0°F (1920) | 21.9°F (1904) | 1.02 in (1950) |
| January 18 | 73.0°F (2021) | 21.0°F (1917) | 1.44 in (1921) |
| January 19 | 75.0°F (1981) | 19.9°F (1943) | 0.75 in (1969) |
| January 20 | 75.0°F (1981) | 19.9°F (1943) | 0.93 in (1962) |
| January 21 | 73.0°F (1981) | 19.9°F (1937) | 1.29 in (1969) |
| January 22 | 72.0°F (1950) | 19.9°F (1937) | 0.88 in (1997) |
| January 23 | 70.0°F (1968) | 19.9°F (1962) | 1.68 in (1994) |
| January 24 | 69.1°F (1968) | 21.9°F (1937) | 1.70 in (1958) |
| January 25 | 72.0°F (1906) | 19.9°F (1904) | 1.12 in (1969) |
| January 26 | 72.0°F (1906) | 21.0°F (1949) | 1.33 in (1961) |
| January 27 | 70.0°F (1906) | 21.9°F (1949) | 1.70 in (2021) |
| January 28 | 73.0°F (1988) | 21.9°F (1904) | 1.15 in (1924) |
| January 29 | 73.0°F (2024) | 21.9°F (1904) | 1.18 in (1926) |
| January 30 | 73.0°F (2024) | 23.0°F (1957) | 2.20 in (1911) |
| January 31 | 72.0°F (1906) | 24.1°F (1946) | 1.34 in (1911) |