Mono County Weather in August
Average highs run from 85°F on August 1 to 81°F on August 31, and lows from 54°F to 50°F. Normal precipitation for the month is 0.42 in over about 3 wet days.
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
- 83°F
- Average low
- 52°F
- Precipitation
- 0.42 in
- Record high
- 88°FAug 1, 2000
- Record low
- 30°FAug 31, 1999
- Chance of a freeze
- 0%
- Days of 90°F or more
- 1.9
- Daylight
- 14 h 05 min to 13 h 01 min
- Cloud cover
- 26%
- Humidity
- 30%
- Dew point
- 30°F
- Wind
- 6.3 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 | 85°F | 54°F | 88°F 2000 | 38°F 1998 | 10% | 0% |
| Aug 2 | 85°F | 54°F | 87°F 2000 | 37°F 2004 | 10% | 0% |
| Aug 3 | 85°F | 54°F | 85°F 2012 | 38°F 2013 | 10% | 0% |
| Aug 4 | 84°F | 54°F | 86°F 1994 | 37°F 1996 | 10% | 0% |
| Aug 5 | 84°F | 54°F | 88°F 1998 | 40°F 2006 | 10% | 0% |
| Aug 6 | 84°F | 54°F | 85°F 1997 | 37°F 2006 | 10% | 0% |
| Aug 7 | 84°F | 54°F | 87°F 2018 | 39°F 1996 | 10% | 0% |
| Aug 8 | 84°F | 54°F | 87°F 1997 | 34°F 1999 | 10% | 0% |
| Aug 9 | 84°F | 54°F | 84°F 1996 | 38°F 1999 | 9% | 0% |
| Aug 10 | 84°F | 53°F | 87°F 2018 | 35°F 1999 | 9% | 0% |
| Aug 11 | 84°F | 53°F | 86°F 2018 | 36°F 2000 | 9% | 0% |
| Aug 12 | 84°F | 53°F | 85°F 2002 | 36°F 1999 | 9% | 0% |
| Aug 13 | 84°F | 53°F | 87°F 2002 | 39°F 1995 | 9% | 0% |
| Aug 14 | 83°F | 53°F | 86°F 1998 | 40°F 1995 | 9% | 0% |
| Aug 15 | 83°F | 53°F | 86°F 2002 | 36°F 2004 | 9% | 0% |
| Aug 16 | 83°F | 53°F | 85°F 1994 | 35°F 2009 | 9% | 0% |
| Aug 17 | 83°F | 52°F | 88°F 2008 | 37°F 2011 | 9% | 0% |
| Aug 18 | 83°F | 52°F | 88°F 2008 | 35°F 1995 | 8% | 0% |
| Aug 19 | 83°F | 52°F | 83°F 2003 | 34°F 1995 | 8% | 0% |
| Aug 20 | 83°F | 52°F | 85°F 2015 | 36°F 1998 | 8% | 0% |
| Aug 21 | 83°F | 52°F | 85°F 2015 | 34°F 1998 | 8% | 0% |
| Aug 22 | 82°F | 51°F | 84°F 2009 | 34°F 1998 | 8% | 0% |
| Aug 23 | 82°F | 51°F | 83°F 2008 | 36°F 2003 | 8% | 0% |
| Aug 24 | 82°F | 51°F | 84°F 2007 | 36°F 1998 | 8% | 0% |
| Aug 25 | 82°F | 51°F | 83°F 2001 | 39°F 2009 | 8% | 0% |
| Aug 26 | 82°F | 51°F | 83°F 2001 | 39°F 2002 | 7% | 0% |
| Aug 27 | 82°F | 50°F | 85°F 2001 | 33°F 2004 | 7% | 0% |
| Aug 28 | 81°F | 50°F | 85°F 2001 | 33°F 1999 | 7% | 0% |
| Aug 29 | 81°F | 50°F | 86°F 2008 | 34°F 1999 | 7% | 0% |
| Aug 30 | 81°F | 50°F | 86°F 1998 | 31°F 2010 | 7% | 0% |
| Aug 31 | 81°F | 50°F | 86°F 1996 | 30°F 1999 | 7% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (PDT).
- August 1
- sunrise 5:59 AM, sunset 8:04 PM
- August 31
- sunrise 6:25 AM, sunset 7:26 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00044881 (Lee Vining), public domain. Records: NOAA GHCN-Daily, station USC00045280, 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.