July weather in Boulder, UT
The average temperature in Boulder in July is 72.4°F (61.2°F–83.6°F). Average precipitation: 1.11 inches.
July is a summer month in Boulder, and is warmer than the annual average of 50.3°F. Daily temperatures swing about 22.4°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 14h 23m. For travel, July is a comfortable month to visit.
Avg High
83.6°F
Avg Low
61.2°F
Precipitation
1.11 in
Daylight
14h 23m
July records in Boulder
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| July 1 | 93.9°F (2002) | 44.1°F (1992) | 0.42 in (2016) |
| July 2 | 91.9°F (1969) | 39.9°F (1992) | 0.18 in (1981) |
| July 3 | 91.9°F (1973) | 36.0°F (2000) | 0.31 in (1961) |
| July 4 | 95.0°F (1973) | 32.0°F (2000) | 0.40 in (1977) |
| July 5 | 93.9°F (1973) | 39.0°F (2000) | 0.41 in (1998) |
| July 6 | 96.1°F (1989) | 34.0°F (2000) | 0.41 in (2006) |
| July 7 | 96.1°F (1989) | 35.1°F (2000) | 0.19 in (2015) |
| July 8 | 96.1°F (1989) | 46.9°F (1959) | 0.65 in (1999) |
| July 9 | 96.1°F (2021) | 42.1°F (1998) | 0.78 in (2015) |
| July 10 | 95.0°F (1976) | 42.1°F (1998) | 0.35 in (1992) |
| July 11 | 93.9°F (2021) | 48.9°F (1960) | 0.37 in (1957) |
| July 12 | 95.0°F (2003) | 50.0°F (1987) | 0.25 in (1975) |
| July 13 | 96.1°F (2002) | 51.1°F (1997) | 0.47 in (2014) |
| July 14 | 95.0°F (1971) | 43.0°F (1962) | 1.55 in (1999) |
| July 15 | 95.0°F (1971) | 50.0°F (1980) | 0.39 in (2022) |
| July 16 | 93.9°F (1960) | 39.9°F (1999) | 1.12 in (1978) |
| July 17 | 95.0°F (2023) | 46.9°F (1993) | 0.55 in (1978) |
| July 18 | 93.0°F (1998) | 50.0°F (1978) | 0.82 in (1985) |
| July 19 | 93.9°F (1998) | 46.9°F (1987) | 1.79 in (1969) |
| July 20 | 91.9°F (1980) | 46.9°F (1987) | 2.33 in (1969) |
| July 21 | 93.0°F (1980) | 46.9°F (1991) | 0.65 in (2017) |
| July 22 | 93.9°F (1996) | 50.0°F (1978) | 0.48 in (1984) |
| July 23 | 93.9°F (1996) | 43.0°F (1986) | 0.59 in (2007) |
| July 24 | 91.0°F (2024) | 44.1°F (1958) | 0.42 in (2012) |
| July 25 | 91.0°F (1960) | 52.0°F (1958) | 1.22 in (2017) |
| July 26 | 93.9°F (1979) | 41.0°F (1999) | 0.57 in (1957) |
| July 27 | 91.9°F (1960) | 46.9°F (1958) | 0.70 in (2010) |
| July 28 | 93.9°F (1995) | 52.0°F (1962) | 1.07 in (2013) |
| July 29 | 93.9°F (2000) | 50.0°F (1997) | 0.67 in (1969) |
| July 30 | 95.0°F (1972) | 51.1°F (1985) | 0.73 in (1987) |
| July 31 | 93.0°F (2002) | 46.0°F (1976) | 1.33 in (1976) |