Lebanon Weather in August
Average highs run from 91°F on August 1 to 88°F on August 31, and lows from 69°F to 65°F. Normal precipitation for the month is 3.91 in over about 8 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
- 90°F
- Average low
- 67°F
- Precipitation
- 3.91 in
- Record high
- 111°FAug 9, 1930
- Record low
- 43°FAug 29, 1986
- Chance of a freeze
- 0%
- Days of 90°F or more
- 17.4
- Daylight
- 13 h 58 min to 12 h 58 min
- Cloud cover
- 51%
- Humidity
- 69%
- Dew point
- 66°F
- Wind
- 4.9 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 | 91°F | 69°F | 101°F 1999 | 56°F 1918 | 30% | 0% |
| Aug 2 | 91°F | 69°F | 100°F 1931 | 55°F 1992 | 29% | 0% |
| Aug 3 | 90°F | 69°F | 100°F 1931 | 49°F 1976 | 29% | 0% |
| Aug 4 | 90°F | 68°F | 104°F 2011 | 52°F 1912 | 29% | 0% |
| Aug 5 | 90°F | 68°F | 104°F 1930 | 51°F 1912 | 29% | 0% |
| Aug 6 | 90°F | 68°F | 104°F 1930 | 54°F 1997 | 29% | 0% |
| Aug 7 | 90°F | 68°F | 107°F 1930 | 53°F 1990 | 28% | 0% |
| Aug 8 | 90°F | 68°F | 109°F 1930 | 48°F 1989 | 28% | 0% |
| Aug 9 | 90°F | 68°F | 111°F 1930 | 48°F 1989 | 28% | 0% |
| Aug 10 | 90°F | 68°F | 104°F 2007 | 50°F 2004 | 28% | 0% |
| Aug 11 | 90°F | 68°F | 101°F 1918 | 50°F 2004 | 28% | 0% |
| Aug 12 | 90°F | 68°F | 99°F 1909 | 50°F 1967 | 28% | 0% |
| Aug 13 | 90°F | 67°F | 100°F 1909 | 48°F 1964 | 28% | 0% |
| Aug 14 | 90°F | 67°F | 100°F 1918 | 48°F 2004 | 27% | 0% |
| Aug 15 | 90°F | 67°F | 99°F 1913 | 47°F 2004 | 27% | 0% |
| Aug 16 | 90°F | 67°F | 105°F 2007 | 47°F 2004 | 27% | 0% |
| Aug 17 | 90°F | 67°F | 107°F 2007 | 47°F 2004 | 27% | 0% |
| Aug 18 | 90°F | 67°F | 101°F 2000 | 47°F 2004 | 27% | 0% |
| Aug 19 | 90°F | 67°F | 105°F 1925 | 54°F 1933 | 27% | 0% |
| Aug 20 | 90°F | 67°F | 104°F 1925 | 53°F 1998 | 26% | 0% |
| Aug 21 | 89°F | 66°F | 103°F 1924 | 54°F 1991 | 26% | 0% |
| Aug 22 | 89°F | 66°F | 104°F 1924 | 51°F 1997 | 26% | 0% |
| Aug 23 | 89°F | 66°F | 103°F 2007 | 49°F 1997 | 26% | 0% |
| Aug 24 | 89°F | 66°F | 104°F 2007 | 47°F 1997 | 26% | 0% |
| Aug 25 | 89°F | 66°F | 103°F 2007 | 48°F 1997 | 25% | 0% |
| Aug 26 | 89°F | 66°F | 101°F 1918 | 50°F 1917 | 25% | 0% |
| Aug 27 | 89°F | 65°F | 103°F 1924 | 51°F 2025 | 25% | 0% |
| Aug 28 | 88°F | 65°F | 101°F 1924 | 47°F 1968 | 25% | 0% |
| Aug 29 | 88°F | 65°F | 103°F 1990 | 43°F 1986 | 25% | 0% |
| Aug 30 | 88°F | 65°F | 103°F 2024 | 45°F 1986 | 25% | 0% |
| Aug 31 | 88°F | 65°F | 100°F 1995 | 47°F 1976 | 25% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (CDT).
- August 1
- sunrise 5:52 AM, sunset 7:50 PM
- August 31
- sunrise 6:16 AM, sunset 7:14 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00405108 (Lebanon), public domain. Records: NOAA GHCN-Daily, station USC00405108, 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.