Lebanon weather in August: Lebanon, Tennessee: normal highs, lows, rain and records for August
Lebanon in August has a normal high of 90°F and a normal low of 67°F, a daily mean of 78°F, falling from 91°F on the 1st to 88°F by the 31st. Measurable precipitation falls on 8 days in a normal August, 3.91 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 32°C and low of 19°C, 99 mm of precipitation in August.
- NOAA stationLebanon
- Station IDUSC00405108
- Location36.23°N 86.32°W
- Elevation525 ft (160 m)
- Population51,501
- Jan 47° 28°
- Feb 52° 30°
- Mar 61° 38°
- Apr 71° 46°
- May 79° 56°
- Jun 87° 65°
- Jul 90° 69°
- Aug 90° 67°
- Sep 84° 60°
- Oct 73° 47°
- Nov 61° 37°
- Dec 51° 31°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Lebanon in August?
The normal high is 90°F and the normal low 67°F, for a daily mean of 78.2°F. August is 1.5°F cooler than July and 6.6°F warmer than September. August is the 2nd warmest month of the year in Lebanon and the 9th wettest. Across the month the normal high falls 3°F, from 91°F on August 1 to 88°F on August 31. From one year to the next August's mean temperature typically moves about 2.6°F either way (NOAA's standard deviation), so roughly two Augusts in three average between 76°F and 81°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 30%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| August 1 | 91°F | 69°F | 30% | 22% |
| August 8 | 90°F | 68°F | 28% | 21% |
| August 15 | 90°F | 67°F | 27% | 20% |
| August 22 | 89°F | 66°F | 26% | 19% |
| August 31 | 88°F | 65°F | 25% | 18% |
Every day of August: normal high, low and chance of precipitation (warmest afternoon August 1, coldest night August 31)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| August 1 | 91°F | 69°F | 30% | 22% | 14 h |
| August 2 | 91°F | 69°F | 29% | 22% | 14 h |
| August 3 | 90°F | 69°F | 29% | 21% | 14 h |
| August 4 | 90°F | 68°F | 29% | 21% | 14 h |
| August 5 | 90°F | 68°F | 29% | 21% | 13 h 50 min |
| August 6 | 90°F | 68°F | 29% | 21% | 13 h 50 min |
| August 7 | 90°F | 68°F | 28% | 21% | 13 h 50 min |
| August 8 | 90°F | 68°F | 28% | 21% | 13 h 50 min |
| August 9 | 90°F | 68°F | 28% | 21% | 13 h 50 min |
| August 10 | 90°F | 68°F | 28% | 20% | 13 h 40 min |
| August 11 | 90°F | 68°F | 28% | 20% | 13 h 40 min |
| August 12 | 90°F | 68°F | 28% | 20% | 13 h 40 min |
| August 13 | 90°F | 67°F | 28% | 20% | 13 h 40 min |
| August 14 | 90°F | 67°F | 27% | 20% | 13 h 40 min |
| August 15 | 90°F | 67°F | 27% | 20% | 13 h 30 min |
| August 16 | 90°F | 67°F | 27% | 20% | 13 h 30 min |
| August 17 | 90°F | 67°F | 27% | 20% | 13 h 30 min |
| August 18 | 90°F | 67°F | 27% | 19% | 13 h 30 min |
| August 19 | 90°F | 67°F | 27% | 19% | 13 h 30 min |
| August 20 | 90°F | 67°F | 26% | 19% | 13 h 20 min |
| August 21 | 89°F | 66°F | 26% | 19% | 13 h 20 min |
| August 22 | 89°F | 66°F | 26% | 19% | 13 h 20 min |
| August 23 | 89°F | 66°F | 26% | 18% | 13 h 20 min |
| August 24 | 89°F | 66°F | 26% | 18% | 13 h 20 min |
| August 25 | 89°F | 66°F | 25% | 18% | 13 h 10 min |
| August 26 | 89°F | 66°F | 25% | 18% | 13 h 10 min |
| August 27 | 89°F | 65°F | 25% | 18% | 13 h 10 min |
| August 28 | 88°F | 65°F | 25% | 18% | 13 h 10 min |
| August 29 | 88°F | 65°F | 25% | 18% | 13 h 10 min |
| August 30 | 88°F | 65°F | 25% | 18% | 13 h |
| August 31 | 88°F | 65°F | 25% | 18% | 13 h |
- Normal high
- 90°FAugust average
- Normal low
- 67°FAugust average
- Precipitation
- 3.91 inmonth total
- Days with precipitation
- 80.01 inch or more
- Days at 90°F or more
- 17
- Daylight
- 14 h to 13 hAugust 1 to August 31
- Days at 70°F or more
- 31
- Days at 80°F or more
- 30
- Sunshine
- 81%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00405108; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Lebanon in August?
On a given August day the chance of 0.01 inch or more is 27% on average, highest around August 1 (30%). In all, 3.91 in falls on 8 days of a normal August, 1 of them with an inch or more.
In a normal August in Lebanon, 17 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00405108.
What are the records for August in Lebanon?
The warmest August temperature on this station's record (since 1902) is 111°F, on August 9, 1930; the coldest is 43°F, on August 29, 1986. The wettest August brought 12.53 in (1926).
The August mean against the 1991-2020 normal of 78.2°F: 2024 79.2°F (+1.0), 2025 77.8°F (−0.4), 2026 80.2°F (+2.0). 2 of 3 ran warmer than normal.
| August | Mean | Against normal | Precip. |
|---|---|---|---|
| 2024 | 79.2°F | +1.0°F | 0.33 in |
| 2025 | 77.8°F | −0.4°F | 2.71 in |
| 2026 | 80.2°F | +2.0°F | 6.03 in |
Source: records: ACIS, station USC00405108; recent months: ACIS, station USC00405108. Records and recent months use complete months only.
How does August in Lebanon compare across Tennessee?
Across the 116 places PlainClimate covers in Tennessee, August normal highs run from 78°F in Roan Mountain to 92°F in Memphis; Lebanon's is 90°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.