August weather in San Luis, CO
The average temperature in San Luis in August is 63.3°F (47.4°F–79.3°F). Average precipitation: 1.29 inches.
August is a summer month in San Luis, and is warmer than the annual average of 43.9°F. Daily temperatures swing about 31.9°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 13h 26m. For travel, August is a comfortable month to visit.
Avg High
79.3°F
Avg Low
47.4°F
Precipitation
1.29 in
Daylight
13h 26m
August records in San Luis
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 88.0°F (2002) | 39.9°F (1987) | 0.55 in (1995) |
| August 2 | 86.0°F (2002) | 39.9°F (1986) | 0.46 in (1998) |
| August 3 | 88.0°F (2005) | 41.0°F (1990) | 0.17 in (1991) |
| August 4 | 84.0°F (2005) | 41.0°F (1990) | 0.17 in (1981) |
| August 5 | 84.0°F (1980) | 39.9°F (1985) | 0.76 in (1999) |
| August 6 | 84.9°F (2003) | 35.1°F (1990) | 0.39 in (1992) |
| August 7 | 82.9°F (1980) | 35.1°F (1990) | 0.80 in (1984) |
| August 8 | 88.0°F (1990) | 30.0°F (1988) | 0.65 in (1996) |
| August 9 | 86.0°F (2000) | 39.9°F (1986) | 0.34 in (1980) |
| August 10 | 86.0°F (2000) | 39.9°F (1988) | 0.26 in (1991) |
| August 11 | 86.0°F (2002) | 39.0°F (1986) | 0.30 in (1981) |
| August 12 | 84.9°F (2002) | 41.0°F (1980) | 1.10 in (1981) |
| August 13 | 88.0°F (2002) | 32.0°F (1985) | 0.42 in (1995) |
| August 14 | 82.9°F (1990) | 37.0°F (1985) | 0.78 in (2001) |
| August 15 | 86.0°F (2002) | 35.1°F (1985) | 0.22 in (2000) |
| August 16 | 88.0°F (2002) | 35.1°F (1985) | 0.26 in (1982) |
| August 17 | 89.1°F (2002) | 32.0°F (1986) | 0.45 in (1988) |
| August 18 | 91.0°F (2002) | 32.0°F (1986) | 0.63 in (1988) |
| August 19 | 89.1°F (2002) | 30.9°F (1986) | 0.56 in (1984) |
| August 20 | 87.1°F (2002) | 33.1°F (1980) | 0.46 in (2004) |
| August 21 | 84.9°F (2003) | 30.9°F (1980) | 0.30 in (1982) |
| August 22 | 84.0°F (2003) | 36.0°F (1980) | 0.38 in (1987) |
| August 23 | 82.0°F (1988) | 37.0°F (1981) | 0.58 in (2003) |
| August 24 | 84.0°F (1997) | 39.9°F (1980) | 0.71 in (1986) |
| August 25 | 84.9°F (1998) | 36.0°F (1992) | 0.61 in (1992) |
| August 26 | 88.0°F (2002) | 35.1°F (1989) | 0.37 in (1983) |
| August 27 | 87.1°F (2002) | 33.1°F (1992) | 0.75 in (1988) |
| August 28 | 86.0°F (2002) | 34.0°F (1992) | 0.98 in (1982) |
| August 29 | 84.9°F (1990) | 34.0°F (1987) | 0.40 in (1999) |
| August 30 | 86.0°F (1990) | 36.0°F (1987) | 0.21 in (2002) |
| August 31 | 86.0°F (1990) | 35.1°F (1980) | 0.26 in (1997) |