Monticello Weather in August
Average highs run from 80°F on August 1 to 76°F on August 31, and lows from 58°F to 53°F. Normal precipitation for the month is 4.73 in over about 10 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
- 78°F
- Average low
- 56°F
- Precipitation
- 4.73 in
- Record high
- 96°FAug 26, 1948
- Record low
- 34°FAug 29, 1986
- Chance of a freeze
- 0%
- Daylight
- 14 h 23 min to 13 h 10 min
- Cloud cover
- 58%
- Humidity
- 73%
- Dew point
- 60°F
- Wind
- 3.4 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 | 80°F | 58°F | 90°F 1955 | 45°F 1964 | 33% | 0% |
| Aug 2 | 80°F | 58°F | 93°F 1975 | 40°F 1912 | 33% | 0% |
| Aug 3 | 80°F | 58°F | 94°F 1975 | 42°F 1912 | 33% | 0% |
| Aug 4 | 80°F | 58°F | 91°F 2005 | 43°F 1964 | 34% | 0% |
| Aug 5 | 80°F | 58°F | 94°F 1955 | 43°F 1972 | 33% | 0% |
| Aug 6 | 80°F | 58°F | 94°F 1918 | 40°F 1912 | 33% | 0% |
| Aug 7 | 80°F | 58°F | 95°F 1918 | 44°F 1912 | 33% | 0% |
| Aug 8 | 79°F | 58°F | 93°F 1900 | 42°F 1903 | 33% | 0% |
| Aug 9 | 79°F | 58°F | 92°F 1900 | 42°F 1989 | 33% | 0% |
| Aug 10 | 79°F | 58°F | 95°F 2001 | 41°F 1964 | 33% | 0% |
| Aug 11 | 79°F | 57°F | 93°F 1900 | 42°F 1972 | 33% | 0% |
| Aug 12 | 79°F | 57°F | 93°F 2005 | 43°F 1912 | 33% | 0% |
| Aug 13 | 79°F | 57°F | 94°F 2005 | 40°F 1957 | 33% | 0% |
| Aug 14 | 79°F | 57°F | 94°F 1988 | 38°F 2019 | 33% | 0% |
| Aug 15 | 79°F | 57°F | 94°F 2002 | 42°F 1903 | 33% | 0% |
| Aug 16 | 78°F | 57°F | 92°F 1988 | 43°F 1964 | 33% | 0% |
| Aug 17 | 78°F | 56°F | 91°F 1965 | 41°F 1902 | 33% | 0% |
| Aug 18 | 78°F | 56°F | 91°F 1913 | 41°F 1981 | 32% | 0% |
| Aug 19 | 78°F | 56°F | 88°F 2015 | 40°F 1977 | 32% | 0% |
| Aug 20 | 78°F | 56°F | 88°F 1978 | 40°F 1977 | 32% | 0% |
| Aug 21 | 78°F | 56°F | 90°F 1899 | 39°F 1977 | 31% | 0% |
| Aug 22 | 78°F | 56°F | 90°F 1916 | 36°F 1982 | 31% | 0% |
| Aug 23 | 77°F | 55°F | 93°F 1916 | 40°F 1952 | 31% | 0% |
| Aug 24 | 77°F | 55°F | 86°F 1898 | 39°F 1971 | 31% | 0% |
| Aug 25 | 77°F | 55°F | 90°F 1948 | 38°F 1987 | 30% | 0% |
| Aug 26 | 77°F | 55°F | 96°F 1948 | 41°F 1963 | 30% | 0% |
| Aug 27 | 77°F | 54°F | 92°F 1948 | 36°F 1963 | 30% | 0% |
| Aug 28 | 76°F | 54°F | 92°F 1948 | 40°F 1916 | 29% | 0% |
| Aug 29 | 76°F | 54°F | 92°F 1953 | 34°F 1986 | 29% | 0% |
| Aug 30 | 76°F | 54°F | 94°F 1953 | 34°F 1965 | 29% | 0% |
| Aug 31 | 76°F | 53°F | 90°F 1953 | 36°F 1965 | 29% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EDT).
- August 1
- sunrise 5:53 AM, sunset 8:16 PM
- August 31
- sunrise 6:24 AM, sunset 7:34 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00307210 (Rock Hill 3 Sw), public domain. Records: NOAA GHCN-Daily, station USC00304731, 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.