August weather in Sheridan, MT
The average temperature in Sheridan in August is 64.4°F (49.6°F–79.3°F). Average precipitation: 1.16 inches.
August is a summer month in Sheridan, and is warmer than the annual average of 43°F. Daily temperatures swing about 29.7°F between overnight low and afternoon high. Daylight averages about 13h 55m. For travel, August is a comfortable month to visit.
Avg High
79.3°F
Avg Low
49.6°F
Precipitation
1.16 in
Daylight
13h 55m
August records in Sheridan
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 93.9°F (2022) | 45.0°F (2016) | 0.18 in (2011) |
| August 2 | 91.0°F (2020) | 45.0°F (2013) | 0.26 in (2009) |
| August 3 | 89.1°F (2024) | 45.0°F (2013) | 0.29 in (2021) |
| August 4 | 91.9°F (2022) | 39.0°F (2012) | 0.20 in (2015) |
| August 5 | 89.1°F (2012) | 46.0°F (2025) | 0.08 in (2019) |
| August 6 | 90.0°F (2024) | 44.1°F (2018) | 0.49 in (2023) |
| August 7 | 86.0°F (2012) | 41.0°F (2015) | 0.30 in (2009) |
| August 8 | 84.9°F (2018) | 37.0°F (2025) | 0.10 in (2015) |
| August 9 | 91.9°F (2022) | 42.1°F (2009) | 0.16 in (2011) |
| August 10 | 91.0°F (2022) | 39.9°F (2016) | 0.20 in (2012) |
| August 11 | 93.9°F (2018) | 42.1°F (2016) | 0.20 in (2012) |
| August 12 | 89.1°F (2021) | 39.9°F (2010) | 0.13 in (2015) |
| August 13 | 88.0°F (2022) | 45.0°F (2023) | 0.67 in (2014) |
| August 14 | 88.0°F (2015) | 37.9°F (2010) | 0.27 in (2014) |
| August 15 | 91.9°F (2023) | 35.1°F (2009) | 0.25 in (2011) |
| August 16 | 90.0°F (2013) | 36.0°F (2009) | 0.17 in (2024) |
| August 17 | 91.9°F (2023) | 36.0°F (2009) | 0.10 in (2025) |
| August 18 | 90.0°F (2021) | 42.1°F (2015) | 0.19 in (2014) |
| August 19 | 90.0°F (2025) | 39.9°F (2015) | 0.46 in (2024) |
| August 20 | 90.0°F (2022) | 41.0°F (2016) | 0.58 in (2018) |
| August 21 | 89.1°F (2009) | 44.1°F (2011) | 0.52 in (2023) |
| August 22 | 87.1°F (2011) | 39.9°F (2015) | 0.12 in (2013) |
| August 23 | 86.0°F (2020) | 37.9°F (2015) | 0.68 in (2010) |
| August 24 | 87.1°F (2011) | 39.0°F (2010) | 0.62 in (2013) |
| August 25 | 86.0°F (2015) | 34.0°F (2016) | 0.03 in (2017) |
| August 26 | 88.0°F (2010) | 34.0°F (2016) | 0.05 in (2020) |
| August 27 | 84.9°F (2011) | 37.9°F (2016) | 0.50 in (2018) |
| August 28 | 86.0°F (2009) | 36.0°F (2010) | 1.02 in (2010) |
| August 29 | 88.0°F (2012) | 36.0°F (2024) | 0.17 in (2011) |
| August 30 | 91.0°F (2022) | 41.0°F (2010) | 0.45 in (2010) |
| August 31 | 90.0°F (2022) | 36.0°F (2010) | 0.82 in (2009) |