January weather in Rio Vista, CA
The average temperature in Rio Vista in January is 48.0°F (40.3°F–55.7°F). Average precipitation: 2.68 inches.
January is a winter month in Rio Vista, and is cooler than the annual average of 62.5°F. Daily temperatures swing about 15.4°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 9h 37m. For travel, January is a comfortable month to visit.
Avg High
55.7°F
Avg Low
40.3°F
Precipitation
2.68 in
Daylight
9h 37m
January records in Rio Vista
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 66.0°F (1997) | 21.0°F (1979) | 1.38 in (2005) |
| January 2 | 64.0°F (1997) | 21.9°F (1961) | 1.90 in (2005) |
| January 3 | 66.9°F (2012) | 21.9°F (1968) | 0.62 in (1965) |
| January 4 | 73.0°F (2012) | 23.0°F (1968) | 1.80 in (2008) |
| January 5 | 72.0°F (2012) | 23.0°F (1960) | 2.80 in (1982) |
| January 6 | 72.0°F (2012) | 25.0°F (1961) | 1.10 in (1959) |
| January 7 | 69.1°F (2012) | 25.0°F (1971) | 0.79 in (1993) |
| January 8 | 70.0°F (2012) | 25.0°F (1982) | 1.04 in (2017) |
| January 9 | 70.0°F (2012) | 26.1°F (1957) | 0.84 in (1959) |
| January 10 | 71.1°F (2012) | 23.0°F (1957) | 1.90 in (1995) |
| January 11 | 69.1°F (2012) | 28.0°F (1969) | 0.86 in (1979) |
| January 12 | 71.1°F (2012) | 26.1°F (1964) | 0.36 in (1998) |
| January 13 | 73.0°F (2012) | 21.0°F (1963) | 2.08 in (1993) |
| January 14 | 71.1°F (2012) | 21.0°F (1963) | 0.99 in (1978) |
| January 15 | 66.9°F (2014) | 21.9°F (1963) | 1.48 in (1979) |
| January 16 | 73.0°F (2021) | 24.1°F (1963) | 1.14 in (2019) |
| January 17 | 73.9°F (2021) | 25.0°F (1963) | 1.04 in (2016) |
| January 18 | 75.0°F (2021) | 25.0°F (1963) | 0.88 in (1993) |
| January 19 | 69.1°F (2014) | 24.1°F (1963) | 1.24 in (1969) |
| January 20 | 68.0°F (1991) | 25.0°F (1963) | 0.53 in (1969) |
| January 21 | 69.1°F (2014) | 24.1°F (1966) | 2.00 in (1964) |
| January 22 | 69.1°F (2014) | 23.0°F (1962) | 1.50 in (1967) |
| January 23 | 68.0°F (1968) | 23.0°F (1962) | 1.62 in (2000) |
| January 24 | 69.1°F (2014) | 19.9°F (1962) | 1.65 in (2000) |
| January 25 | 78.1°F (2012) | 21.9°F (1962) | 0.94 in (1997) |
| January 26 | 79.0°F (2012) | 26.1°F (1962) | 1.33 in (1961) |
| January 27 | 66.9°F (2012) | 28.9°F (1957) | 1.40 in (1983) |
| January 28 | 69.1°F (2012) | 28.0°F (1975) | 0.78 in (1981) |
| January 29 | 68.0°F (2012) | 28.0°F (1969) | 0.62 in (1983) |
| January 30 | 68.0°F (2015) | 27.0°F (1972) | 1.52 in (1968) |
| January 31 | 73.0°F (2015) | 26.1°F (1957) | 1.17 in (1996) |