August weather in Cortez, CO
The average temperature in Cortez in August is 71.7°F (55.8°F–87.7°F). Average precipitation: 1.34 inches.
August is a summer month in Cortez, and is warmer than the annual average of 50.8°F. Daily temperatures swing about 31.9°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 13h 26m. For travel, August is a comfortable month to visit.
Avg High
87.7°F
Avg Low
55.8°F
Precipitation
1.34 in
Daylight
13h 26m
August records in Cortez
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 97.0°F (1938) | 37.0°F (1915) | 0.67 in (1989) |
| August 2 | 98.1°F (2024) | 41.0°F (1915) | 1.27 in (1929) |
| August 3 | 99.0°F (2024) | 41.0°F (1915) | 1.14 in (1963) |
| August 4 | 98.1°F (2000) | 43.0°F (1915) | 0.44 in (1970) |
| August 5 | 96.1°F (1949) | 37.9°F (1915) | 0.70 in (1948) |
| August 6 | 99.0°F (2024) | 28.9°F (1915) | 0.86 in (1957) |
| August 7 | 99.0°F (2024) | 34.0°F (1915) | 1.82 in (2006) |
| August 8 | 98.1°F (2025) | 39.0°F (1915) | 0.87 in (1987) |
| August 9 | 98.1°F (1969) | 41.0°F (1915) | 0.48 in (1967) |
| August 10 | 95.0°F (1937) | 42.1°F (1915) | 0.75 in (1914) |
| August 11 | 97.0°F (2003) | 37.9°F (1915) | 0.72 in (1991) |
| August 12 | 96.1°F (2003) | 39.9°F (1915) | 0.56 in (2024) |
| August 13 | 96.1°F (1996) | 39.0°F (1915) | 0.87 in (1964) |
| August 14 | 97.0°F (1996) | 37.9°F (1915) | 1.82 in (1955) |
| August 15 | 99.0°F (1962) | 39.9°F (1968) | 1.54 in (2023) |
| August 16 | 98.1°F (2020) | 42.1°F (1938) | 0.77 in (1961) |
| August 17 | 98.1°F (2020) | 37.9°F (1960) | 0.70 in (1947) |
| August 18 | 97.0°F (2002) | 39.9°F (1938) | 0.51 in (1989) |
| August 19 | 97.0°F (2020) | 37.9°F (1938) | 0.56 in (1991) |
| August 20 | 99.0°F (2025) | 39.0°F (1915) | 0.48 in (1995) |
| August 21 | 98.1°F (2020) | 36.0°F (1964) | 0.60 in (1931) |
| August 22 | 100.0°F (2025) | 39.0°F (1964) | 1.45 in (1947) |
| August 23 | 98.1°F (2025) | 36.0°F (1968) | 0.30 in (1987) |
| August 24 | 98.1°F (2020) | 30.0°F (1915) | 1.40 in (1982) |
| August 25 | 98.1°F (2011) | 30.0°F (1915) | 1.01 in (2023) |
| August 26 | 96.1°F (2020) | 32.0°F (1915) | 1.76 in (2013) |
| August 27 | 93.9°F (2019) | 37.9°F (1992) | 1.22 in (1963) |
| August 28 | 93.9°F (2020) | 37.0°F (1992) | 0.82 in (1993) |
| August 29 | 96.1°F (1948) | 37.0°F (1992) | 1.00 in (1915) |
| August 30 | 96.1°F (2012) | 37.0°F (1915) | 1.16 in (1957) |
| August 31 | 95.0°F (1950) | 39.0°F (1980) | 1.07 in (1943) |