Summit County Weather in August
Average highs run from 79°F on August 1 to 73°F on August 31, and lows from 43°F to 37°F.
August day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
August at a glance
- Average high
- 77°F
- Average low
- 40°F
- Record high
- 94°FAug 1, 2026
- Record low
- 34°FAug 27, 2004
- Chance of a freeze
- 66%
- Days of 90°F or more
- 0.6
- Daylight
- 14 h 19 min to 13 h 08 min
- Cloud cover
- 42%
- Humidity
- 43%
- Dew point
- 38°F
- Wind
- 5.1 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Aug 1 | 79°F | 43°F | 94°F 2026 | 44°F 1999 | 0% | |
| Aug 2 | 79°F | 43°F | 92°F 2020 | 45°F 2006 | 0% | |
| Aug 3 | 79°F | 43°F | 94°F 2024 | 49°F 2004 | 0% | |
| Aug 4 | 79°F | 42°F | 89°F 2024 | 47°F 2006 | 0% | |
| Aug 5 | 79°F | 42°F | 92°F 2024 | 47°F 2023 | 0% | |
| Aug 6 | 79°F | 42°F | 93°F 2001 | 48°F 2011 | 0% | |
| Aug 7 | 78°F | 42°F | 93°F 2026 | 46°F 2009 | 0% | |
| Aug 8 | 78°F | 42°F | 92°F 2012 | 40°F 2009 | 0% | |
| Aug 9 | 78°F | 42°F | 91°F 2026 | 38°F 2009 | 0% | |
| Aug 10 | 78°F | 42°F | 91°F 2003 | 41°F 2002 | 0% | |
| Aug 11 | 78°F | 42°F | 93°F 2018 | 45°F 1999 | 0% | |
| Aug 12 | 78°F | 41°F | 91°F 2018 | 43°F 1999 | 0% | |
| Aug 13 | 77°F | 41°F | 90°F 2021 | 43°F 2002 | 0% | |
| Aug 14 | 77°F | 41°F | 92°F 2021 | 44°F 2005 | 0% | |
| Aug 15 | 77°F | 41°F | 89°F 2023 | 40°F 2009 | 0% | |
| Aug 16 | 77°F | 41°F | 89°F 2023 | 36°F 2009 | 0% | |
| Aug 17 | 77°F | 40°F | 92°F 2020 | 36°F 2009 | 0% | |
| Aug 18 | 76°F | 40°F | 92°F 2020 | 41°F 2009 | 0% | |
| Aug 19 | 76°F | 40°F | 91°F 2020 | 43°F 2021 | 0% | |
| Aug 20 | 76°F | 40°F | 92°F 2025 | 41°F 2016 | 0% | |
| Aug 21 | 76°F | 40°F | 92°F 2026 | 44°F 2000 | 0% | |
| Aug 22 | 75°F | 39°F | 93°F 2020 | 43°F 2001 | 0% | |
| Aug 23 | 75°F | 39°F | 87°F 2020 | 41°F 2010 | 0% | |
| Aug 24 | 75°F | 39°F | 90°F 2011 | 39°F 2014 | 0% | |
| Aug 25 | 75°F | 39°F | 89°F 2015 | 41°F 2016 | 0% | |
| Aug 26 | 74°F | 39°F | 90°F 2011 | 40°F 2004 | 0% | |
| Aug 27 | 74°F | 38°F | 89°F 2001 | 34°F 2004 | 0% | |
| Aug 28 | 74°F | 38°F | 88°F 2012 | 38°F 2004 | 0% | |
| Aug 29 | 74°F | 38°F | 88°F 2017 | 41°F 2018 | 0% | |
| Aug 30 | 73°F | 38°F | 87°F 2007 | 36°F 2010 | 0% | |
| Aug 31 | 73°F | 37°F | 88°F 2022 | 35°F 2005 | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MDT).
- August 1
- sunrise 6:20 AM, sunset 8:39 PM
- August 31
- sunrise 6:50 AM, sunset 7:58 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00421590 (Coalville 13 E), public domain. Records: NOAA GHCN-Daily, station USW00004111, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.