January weather in Arroyo Grande, CA
The average temperature in Arroyo Grande in January is 54.5°F (44.2°F–64.8°F). Average precipitation: 3.48 inches.
January is a winter month in Arroyo Grande, and is cooler than the annual average of 59.1°F. Daily temperatures swing about 20.6°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 9h 53m. For travel, January is a comfortable month to visit.
Avg High
64.8°F
Avg Low
44.2°F
Precipitation
3.48 in
Daylight
9h 53m
January records in Arroyo Grande
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 79.0°F (1981) | 28.9°F (1988) | 0.75 in (1955) |
| January 2 | 81.0°F (1981) | 26.1°F (1960) | 1.74 in (1997) |
| January 3 | 79.0°F (1969) | 30.0°F (1988) | 4.06 in (1978) |
| January 4 | 73.0°F (1980) | 24.1°F (1950) | 1.52 in (1974) |
| January 5 | 77.0°F (1958) | 27.0°F (1950) | 1.19 in (1992) |
| January 6 | 79.0°F (1962) | 27.0°F (1950) | 1.33 in (1959) |
| January 7 | 82.9°F (1962) | 26.1°F (1950) | 2.12 in (1974) |
| January 8 | 84.0°F (1962) | 30.0°F (1988) | 1.25 in (2005) |
| January 9 | 77.0°F (1962) | 27.0°F (1994) | 1.00 in (1995) |
| January 10 | 79.0°F (1987) | 27.0°F (1994) | 1.80 in (1968) |
| January 11 | 84.0°F (1981) | 30.9°F (1990) | 2.00 in (1980) |
| January 12 | 79.0°F (1986) | 30.9°F (1988) | 1.97 in (1980) |
| January 13 | 75.9°F (1983) | 28.9°F (1950) | 1.96 in (1980) |
| January 14 | 77.0°F (1983) | 28.9°F (1963) | 1.10 in (1993) |
| January 15 | 79.0°F (1976) | 30.0°F (1962) | 1.77 in (1952) |
| January 16 | 77.0°F (1958) | 30.9°F (1963) | 1.80 in (1970) |
| January 17 | 80.1°F (1971) | 25.0°F (1990) | 1.22 in (1978) |
| January 18 | 84.9°F (1971) | 25.0°F (1990) | 2.75 in (1973) |
| January 19 | 80.1°F (1977) | 26.1°F (1987) | 5.16 in (1969) |
| January 20 | 84.9°F (1976) | 26.1°F (1990) | 1.61 in (1962) |
| January 21 | 73.9°F (1976) | 30.9°F (1963) | 1.18 in (1969) |
| January 22 | 75.9°F (1976) | 33.1°F (1962) | 0.61 in (1967) |
| January 23 | 78.1°F (1968) | 32.0°F (1966) | 1.59 in (1983) |
| January 24 | 82.0°F (1975) | 33.1°F (1976) | 1.78 in (1967) |
| January 25 | 79.0°F (1975) | 34.0°F (1988) | 2.80 in (1956) |
| January 26 | 73.9°F (2003) | 26.1°F (1950) | 1.33 in (1961) |
| January 27 | 79.0°F (1976) | 28.0°F (1950) | 1.99 in (1983) |
| January 28 | 81.0°F (1962) | 28.9°F (1975) | 1.10 in (1950) |
| January 29 | 79.0°F (1986) | 28.9°F (1975) | 0.53 in (1963) |
| January 30 | 80.1°F (1992) | 30.9°F (1999) | 1.32 in (1966) |
| January 31 | 80.1°F (1954) | 33.1°F (1950) | 0.66 in (1963) |