January weather in Folsom, CA
The average temperature in Folsom in January is °F (°F–°F). Average precipitation: 4.32 inches.
January is a winter month in Folsom, and is cooler than the annual average of 0°F. Expect about 10 days with precipitation. Daylight averages about 9h 35m.
Avg High
°F
Avg Low
°F
Precipitation
4.32 in
Daylight
9h 35m
January records in Folsom
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 66.0°F (1914) | 26.1°F (1920) | 2.50 in (2003) |
| January 2 | 68.0°F (1914) | 24.1°F (1920) | 1.40 in (2009) |
| January 3 | 68.0°F (1914) | 26.1°F (1920) | 3.40 in (1900) |
| January 4 | 68.0°F (1914) | 24.1°F (1920) | 2.61 in (1935) |
| January 5 | 66.0°F (1914) | 24.1°F (1920) | 2.25 in (2008) |
| January 6 | 62.1°F (1900) | 26.1°F (1894) | 1.75 in (2008) |
| January 7 | 62.1°F (1900) | 19.9°F (1937) | 1.30 in (1992) |
| January 8 | 64.0°F (1914) | 18.0°F (1937) | 1.39 in (1940) |
| January 9 | 64.0°F (1920) | 19.0°F (1937) | 2.76 in (1935) |
| January 10 | 62.1°F (1920) | 21.9°F (1898) | 3.15 in (1995) |
| January 11 | 60.1°F (1896) | 19.9°F (1920) | 1.60 in (1952) |
| January 12 | 68.0°F (1914) | 24.1°F (1920) | 2.33 in (1911) |
| January 13 | 70.0°F (1920) | 21.9°F (1920) | 2.55 in (1911) |
| January 14 | 70.0°F (1920) | 24.1°F (1920) | 2.89 in (1911) |
| January 15 | 70.0°F (1920) | 26.1°F (1920) | 2.00 in (1909) |
| January 16 | 70.0°F (1920) | 28.0°F (1903) | 1.58 in (1909) |
| January 17 | 72.0°F (1920) | 26.1°F (1898) | 3.06 in (1921) |
| January 18 | 73.9°F (1920) | 27.0°F (1946) | 3.02 in (1921) |
| January 19 | 72.0°F (1920) | 24.1°F (1937) | 1.60 in (1969) |
| January 20 | 72.0°F (1920) | 21.0°F (1937) | 1.63 in (1964) |
| January 21 | 72.0°F (1920) | 17.1°F (1937) | 3.51 in (1967) |
| January 22 | 70.0°F (1920) | 25.0°F (1937) | 1.58 in (1981) |
| January 23 | 68.0°F (1914) | 23.0°F (1937) | 1.96 in (1911) |
| January 24 | 68.0°F (1920) | 26.1°F (1898) | 2.00 in (2000) |
| January 25 | 70.0°F (1914) | 24.1°F (1898) | 1.80 in (1942) |
| January 26 | 70.0°F (1920) | 24.1°F (1898) | 2.00 in (2008) |
| January 27 | 73.9°F (1920) | 24.1°F (1898) | 5.63 in (2008) |
| January 28 | 66.0°F (1920) | 26.1°F (1898) | 1.62 in (1911) |
| January 29 | 68.0°F (1920) | 24.1°F (1898) | 2.07 in (1911) |
| January 30 | 78.1°F (1899) | 24.1°F (1946) | 1.43 in (1921) |
| January 31 | 73.9°F (1899) | 28.0°F (1895) | 1.84 in (1926) |