August weather in Monroe, UT
The average temperature in Monroe in August is °F (°F–°F). Average precipitation: 1.81 inches.
August is a summer month in Monroe, and is cooler than the annual average of 0°F. Expect about 7 days with precipitation. Daylight averages about 13h 30m.
Avg High
°F
Avg Low
°F
Precipitation
1.81 in
Daylight
13h 30m
August records in Monroe
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 77.2°F (2008) | 46.6°F (2006) | 0.40 in (1984) |
| August 2 | 79.2°F (2024) | 45.0°F (2006) | 1.20 in (2007) |
| August 3 | 76.1°F (2020) | 45.3°F (2015) | 0.60 in (1983) |
| August 4 | 74.1°F (2020) | 45.7°F (2014) | 0.60 in (1993) |
| August 5 | 74.3°F (2021) | 45.1°F (2006) | 0.60 in (2010) |
| August 6 | 75.2°F (2024) | 46.6°F (2007) | 0.90 in (1987) |
| August 7 | 75.9°F (2024) | 41.7°F (2009) | 1.90 in (2008) |
| August 8 | 73.2°F (2018) | 37.8°F (2009) | 0.50 in (1981) |
| August 9 | 73.9°F (2018) | 39.2°F (2009) | 0.40 in (2001) |
| August 10 | 77.2°F (2018) | 46.2°F (2009) | 0.70 in (1999) |
| August 11 | 73.4°F (2009) | 46.9°F (2013) | 2.60 in (2024) |
| August 12 | 73.9°F (2007) | 46.9°F (2024) | 0.60 in (1983) |
| August 13 | 75.9°F (2007) | 45.1°F (2009) | 0.50 in (2012) |
| August 14 | 74.3°F (2021) | 45.7°F (2009) | 0.40 in (1984) |
| August 15 | 73.2°F (2021) | 44.6°F (2009) | 1.30 in (2022) |
| August 16 | 75.6°F (2020) | 41.7°F (2009) | 1.10 in (2023) |
| August 17 | 78.4°F (2020) | 42.4°F (2008) | 0.50 in (2024) |
| August 18 | 78.1°F (2020) | 36.7°F (2021) | 1.00 in (2021) |
| August 19 | 79.2°F (2020) | 35.2°F (2021) | 0.40 in (2001) |
| August 20 | 76.1°F (2025) | 41.2°F (2021) | 0.70 in (1999) |
| August 21 | 79.0°F (2009) | 44.8°F (2014) | 1.40 in (1982) |
| August 22 | 75.9°F (2009) | 40.8°F (2014) | 0.60 in (1987) |
| August 23 | 73.9°F (2008) | 39.9°F (2014) | 1.50 in (2012) |
| August 24 | 73.4°F (2020) | 43.2°F (2009) | 0.50 in (1984) |
| August 25 | 73.4°F (2007) | 42.6°F (2016) | 0.50 in (1982) |
| August 26 | 73.2°F (2020) | 39.6°F (2014) | 1.10 in (2025) |
| August 27 | 73.8°F (2020) | 39.0°F (2014) | 0.60 in (1994) |
| August 28 | 75.0°F (2009) | 43.0°F (2006) | 0.50 in (1981) |
| August 29 | 72.3°F (2006) | 42.4°F (2025) | 0.80 in (2025) |
| August 30 | 72.9°F (2019) | 38.8°F (2010) | 0.80 in (1999) |
| August 31 | 73.6°F (2019) | 38.8°F (2010) | 0.40 in (1998) |