August weather in Rexburg, ID
The average temperature in Rexburg in August is 67.1°F (50.2°F–84.1°F). Average precipitation: 0.70 inches.
August is a summer month in Rexburg, and is warmer than the annual average of 44.8°F. Daily temperatures swing about 33.9°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 13h 49m. For travel, August is a comfortable month to visit.
Avg High
84.1°F
Avg Low
50.2°F
Precipitation
0.70 in
Daylight
13h 49m
August records in Rexburg
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 99.0°F (1989) | 37.0°F (2001) | 0.51 in (2011) |
| August 2 | 97.0°F (1992) | 42.1°F (1987) | 0.15 in (2011) |
| August 3 | 95.0°F (2020) | 44.1°F (2016) | 0.27 in (2014) |
| August 4 | 95.0°F (1997) | 37.0°F (1980) | 0.74 in (2023) |
| August 5 | 98.1°F (1994) | 37.9°F (1980) | 0.43 in (2014) |
| August 6 | 98.1°F (1994) | 39.9°F (2001) | 0.28 in (1997) |
| August 7 | 96.1°F (1990) | 36.0°F (1996) | 0.20 in (2023) |
| August 8 | 99.0°F (1990) | 37.0°F (2004) | 0.13 in (1993) |
| August 9 | 99.0°F (1990) | 34.0°F (1995) | 0.06 in (2015) |
| August 10 | 97.0°F (1978) | 37.0°F (2004) | 0.34 in (2005) |
| August 11 | 96.1°F (2018) | 39.9°F (1980) | 0.29 in (1993) |
| August 12 | 97.0°F (1996) | 41.0°F (2004) | 0.73 in (1993) |
| August 13 | 97.0°F (1992) | 37.9°F (1985) | 0.42 in (2014) |
| August 14 | 96.1°F (1992) | 36.0°F (1978) | 0.50 in (1979) |
| August 15 | 93.9°F (1986) | 37.0°F (1985) | 0.15 in (2015) |
| August 16 | 93.9°F (2013) | 39.0°F (1985) | 0.70 in (1980) |
| August 17 | 95.0°F (2020) | 37.0°F (1978) | 0.25 in (1993) |
| August 18 | 95.0°F (1982) | 32.0°F (1978) | 0.55 in (2021) |
| August 19 | 96.1°F (2022) | 34.0°F (1995) | 0.85 in (1980) |
| August 20 | 95.0°F (2025) | 39.0°F (1980) | 0.39 in (1983) |
| August 21 | 91.9°F (2019) | 37.9°F (2000) | 0.38 in (2014) |
| August 22 | 93.9°F (1994) | 33.1°F (1996) | 0.48 in (2014) |
| August 23 | 95.0°F (1982) | 36.0°F (1996) | 0.19 in (1986) |
| August 24 | 93.0°F (2022) | 30.9°F (1992) | 0.53 in (1997) |
| August 25 | 93.9°F (1988) | 30.9°F (1992) | 0.40 in (1984) |
| August 26 | 95.0°F (1981) | 27.0°F (1992) | 0.90 in (1977) |
| August 27 | 96.1°F (1981) | 30.0°F (1992) | 0.84 in (2025) |
| August 28 | 93.9°F (1981) | 34.0°F (1993) | 0.32 in (1991) |
| August 29 | 93.0°F (1981) | 33.1°F (1993) | 0.54 in (1999) |
| August 30 | 93.0°F (1990) | 35.1°F (1993) | 0.57 in (1986) |
| August 31 | 91.9°F (1991) | 32.0°F (1993) | 0.37 in (2012) |