January weather in San Luis, AZ
The average temperature in San Luis in January is 58.8°F (47.9°F–69.8°F). Average precipitation: 0.39 inches.
January is a winter month in San Luis, and is cooler than the annual average of 76°F. Daily temperatures swing about 21.9°F between overnight low and afternoon high. Expect about 3 days with precipitation. Daylight averages about 10h 5m. For travel, January is a comfortable month to visit.
Avg High
69.8°F
Avg Low
47.9°F
Precipitation
0.39 in
Daylight
10h 5m
January records in San Luis
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 77.0°F (2012) | 33.1°F (2011) | 0.16 in (2017) |
| January 2 | 80.1°F (2012) | 37.0°F (2019) | 0.08 in (1990) |
| January 3 | 79.0°F (1997) | 34.0°F (2019) | 0.43 in (1989) |
| January 4 | 80.1°F (2012) | 37.0°F (1982) | 0.35 in (1995) |
| January 5 | 81.0°F (2018) | 36.0°F (2009) | 0.86 in (1991) |
| January 6 | 78.1°F (1986) | 37.9°F (2009) | 0.24 in (1993) |
| January 7 | 79.0°F (2018) | 37.0°F (1989) | 0.83 in (1993) |
| January 8 | 80.1°F (2002) | 37.0°F (1997) | 0.15 in (1993) |
| January 9 | 77.0°F (1996) | 36.0°F (2024) | 0.17 in (2018) |
| January 10 | 79.0°F (1990) | 37.9°F (2024) | 0.32 in (1993) |
| January 11 | 82.0°F (1990) | 39.0°F (2025) | 0.31 in (2001) |
| January 12 | 81.0°F (1990) | 37.0°F (2013) | 0.19 in (1997) |
| January 13 | 80.1°F (1996) | 34.0°F (2025) | 0.00 in (1982) |
| January 14 | 81.0°F (2021) | 25.2°F (2007) | 0.09 in (2019) |
| January 15 | 81.0°F (2021) | 33.1°F (1997) | 0.11 in (1993) |
| January 16 | 84.0°F (2021) | 34.0°F (1987) | 0.26 in (1993) |
| January 17 | 86.0°F (2011) | 33.1°F (2007) | 0.26 in (1988) |
| January 18 | 84.9°F (2011) | 30.9°F (1987) | 0.02 in (1988) |
| January 19 | 82.0°F (1986) | 35.1°F (1990) | 0.38 in (2010) |
| January 20 | 82.0°F (1986) | 39.0°F (1990) | 1.12 in (2021) |
| January 21 | 82.0°F (1997) | 36.0°F (1987) | 1.95 in (2010) |
| January 22 | 82.0°F (1989) | 37.0°F (1982) | 1.07 in (2024) |
| January 23 | 79.0°F (1994) | 36.0°F (1996) | 0.02 in (2004) |
| January 24 | 79.0°F (2003) | 37.9°F (1996) | 0.00 in (1982) |
| January 25 | 82.9°F (2003) | 39.0°F (2017) | 0.62 in (2013) |
| January 26 | 82.9°F (2003) | 39.9°F (2021) | 0.38 in (2005) |
| January 27 | 81.0°F (1986) | 39.9°F (2023) | 0.31 in (1983) |
| January 28 | 82.0°F (1986) | 39.0°F (2023) | 0.02 in (1994) |
| January 29 | 86.0°F (2018) | 39.0°F (2013) | 0.08 in (1983) |
| January 30 | 82.0°F (2003) | 37.9°F (1991) | 0.04 in (1986) |
| January 31 | 87.1°F (2003) | 37.9°F (2002) | 0.07 in (2023) |