Tuolumne County Weather in August
Average highs run from 90°F on August 1 to 87°F on August 31, and lows from 59°F to 56°F. Normal precipitation for the month is 0.08 in over about 1 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
- 89°F
- Average low
- 57°F
- Precipitation
- 0.08 in
- Record high
- 110°FAug 14, 1933
- Record low
- 38°FAug 1, 2026
- Chance of a freeze
- 0%
- Days of 90°F or more
- 14.2
- Daylight
- 14 h 06 min to 13 h 02 min
- Cloud cover
- 24%
- Humidity
- 30%
- Dew point
- 33°F
- Wind
- 5.6 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 | 90°F | 59°F | 107°F 1977 | 38°F 2026 | 3% | 0% |
| Aug 2 | 90°F | 59°F | 105°F 1939 | 44°F 2026 | 3% | 0% |
| Aug 3 | 90°F | 59°F | 105°F 1946 | 48°F 1953 | 3% | 0% |
| Aug 4 | 90°F | 59°F | 106°F 1969 | 38°F 1985 | 3% | 0% |
| Aug 5 | 90°F | 59°F | 106°F 1978 | 48°F 1950 | 3% | 0% |
| Aug 6 | 90°F | 59°F | 108°F 1990 | 48°F 2002 | 3% | 0% |
| Aug 7 | 90°F | 58°F | 108°F 1997 | 46°F 1976 | 3% | 0% |
| Aug 8 | 90°F | 58°F | 109°F 1997 | 48°F 1975 | 3% | 0% |
| Aug 9 | 90°F | 58°F | 108°F 1978 | 48°F 1975 | 3% | 0% |
| Aug 10 | 90°F | 58°F | 105°F 1978 | 50°F 1985 | 3% | 0% |
| Aug 11 | 90°F | 58°F | 106°F 1940 | 50°F 1993 | 3% | 0% |
| Aug 12 | 90°F | 58°F | 106°F 1933 | 47°F 1910 | 3% | 0% |
| Aug 13 | 89°F | 58°F | 108°F 1933 | 47°F 1987 | 3% | 0% |
| Aug 14 | 89°F | 58°F | 110°F 1933 | 44°F 1910 | 3% | 0% |
| Aug 15 | 89°F | 58°F | 107°F 1967 | 42°F 1987 | 3% | 0% |
| Aug 16 | 89°F | 58°F | 104°F 1962 | 43°F 1972 | 3% | 0% |
| Aug 17 | 89°F | 57°F | 106°F 1934 | 46°F 1968 | 3% | 0% |
| Aug 18 | 89°F | 57°F | 107°F 1934 | 42°F 1987 | 3% | 0% |
| Aug 19 | 89°F | 57°F | 108°F 1950 | 43°F 1982 | 3% | 0% |
| Aug 20 | 89°F | 57°F | 105°F 1960 | 46°F 1985 | 3% | 0% |
| Aug 21 | 88°F | 57°F | 106°F 1950 | 40°F 1978 | 3% | 0% |
| Aug 22 | 88°F | 57°F | 102°F 1961 | 40°F 1968 | 4% | 0% |
| Aug 23 | 88°F | 57°F | 101°F 1945 | 44°F 1973 | 4% | 0% |
| Aug 24 | 88°F | 57°F | 102°F 1931 | 44°F 1973 | 4% | 0% |
| Aug 25 | 88°F | 56°F | 103°F 2010 | 45°F 1990 | 4% | 0% |
| Aug 26 | 88°F | 56°F | 103°F 1924 | 42°F 1960 | 4% | 0% |
| Aug 27 | 88°F | 56°F | 103°F 2017 | 45°F 1920 | 4% | 0% |
| Aug 28 | 87°F | 56°F | 106°F 1944 | 45°F 1991 | 4% | 0% |
| Aug 29 | 87°F | 56°F | 105°F 1950 | 44°F 1989 | 4% | 0% |
| Aug 30 | 87°F | 56°F | 104°F 1950 | 42°F 2026 | 5% | 0% |
| Aug 31 | 87°F | 56°F | 104°F 1976 | 43°F 1999 | 5% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (PDT).
- August 1
- sunrise 6:03 AM, sunset 8:09 PM
- August 31
- sunrise 6:29 AM, sunset 7:31 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00041697 (Cherry Valley Dam), public domain. Records: NOAA GHCN-Daily, station USC00048353, 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.