Boonville Weather in August
Average highs run from 87°F on August 1 to 84°F on August 31, and lows from 65°F to 61°F. Normal precipitation for the month is 4.55 in over about 11 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
- 86°F
- Average low
- 63°F
- Precipitation
- 4.55 in
- Record high
- 103°FAug 5, 1930
- Record low
- 41°FAug 23, 1909
- Chance of a freeze
- 0%
- Days of 90°F or more
- 6.8
- Daylight
- 13 h 58 min to 12 h 58 min
- Cloud cover
- 59%
- Humidity
- 69%
- Dew point
- 65°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 | 87°F | 65°F | 102°F 1915 | 50°F 1925 | 38% | 0% |
| Aug 2 | 87°F | 65°F | 99°F 1953 | 48°F 1925 | 38% | 0% |
| Aug 3 | 87°F | 65°F | 98°F 1928 | 48°F 1925 | 38% | 0% |
| Aug 4 | 87°F | 65°F | 98°F 1928 | 49°F 1998 | 37% | 0% |
| Aug 5 | 87°F | 64°F | 103°F 1930 | 50°F 1907 | 37% | 0% |
| Aug 6 | 87°F | 64°F | 103°F 1918 | 49°F 1912 | 37% | 0% |
| Aug 7 | 87°F | 64°F | 98°F 1977 | 47°F 1957 | 37% | 0% |
| Aug 8 | 87°F | 64°F | 98°F 1928 | 46°F 2004 | 37% | 0% |
| Aug 9 | 87°F | 64°F | 99°F 1918 | 48°F 1989 | 37% | 0% |
| Aug 10 | 87°F | 64°F | 100°F 2007 | 51°F 1989 | 37% | 0% |
| Aug 11 | 86°F | 64°F | 98°F 1900 | 53°F 2002 | 36% | 0% |
| Aug 12 | 86°F | 64°F | 97°F 1900 | 48°F 2008 | 36% | 0% |
| Aug 13 | 86°F | 64°F | 99°F 1925 | 45°F 1930 | 36% | 0% |
| Aug 14 | 86°F | 63°F | 98°F 1918 | 50°F 1946 | 36% | 0% |
| Aug 15 | 86°F | 63°F | 98°F 1995 | 47°F 1964 | 36% | 0% |
| Aug 16 | 86°F | 63°F | 100°F 1954 | 47°F 1979 | 35% | 0% |
| Aug 17 | 86°F | 63°F | 100°F 1988 | 47°F 1979 | 35% | 0% |
| Aug 18 | 86°F | 63°F | 101°F 1988 | 51°F 1976 | 35% | 0% |
| Aug 19 | 86°F | 63°F | 99°F 1988 | 53°F 1896 | 35% | 0% |
| Aug 20 | 86°F | 63°F | 101°F 1983 | 44°F 1918 | 34% | 0% |
| Aug 21 | 85°F | 63°F | 101°F 1983 | 49°F 1909 | 34% | 0% |
| Aug 22 | 85°F | 62°F | 101°F 1983 | 42°F 1909 | 34% | 0% |
| Aug 23 | 85°F | 62°F | 98°F 1983 | 41°F 1909 | 34% | 0% |
| Aug 24 | 85°F | 62°F | 96°F 2002 | 42°F 1909 | 33% | 0% |
| Aug 25 | 85°F | 62°F | 96°F 1943 | 43°F 1925 | 33% | 0% |
| Aug 26 | 85°F | 62°F | 97°F 1954 | 42°F 1925 | 33% | 0% |
| Aug 27 | 85°F | 62°F | 98°F 1943 | 44°F 1917 | 33% | 0% |
| Aug 28 | 84°F | 62°F | 97°F 1909 | 47°F 1942 | 32% | 0% |
| Aug 29 | 84°F | 61°F | 99°F 1909 | 43°F 1986 | 32% | 0% |
| Aug 30 | 84°F | 61°F | 99°F 1932 | 42°F 1986 | 32% | 0% |
| Aug 31 | 84°F | 61°F | 100°F 1932 | 44°F 1999 | 32% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EDT).
- August 1
- sunrise 6:30 AM, sunset 8:28 PM
- August 31
- sunrise 6:54 AM, sunset 7:52 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00312740 (Elkin), public domain. Records: NOAA GHCN-Daily, station USC00315890, 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.