Lebanon weather in May: Lebanon, Tennessee: normal highs, lows, rain and records for May
Lebanon in May has a normal high of 79°F and a normal low of 56°F, a daily mean of 68°F, rising from 75°F on the 1st to 83°F by the 31st. Measurable precipitation falls on 11 days in a normal May, 5.61 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 26°C and low of 13°C, 142 mm of precipitation in May.
- 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 May?
The normal high is 79°F and the normal low 56°F, for a daily mean of 67.6°F. May is 9.0°F warmer than April and 8.3°F cooler than June. May is the 5th warmest month of the year in Lebanon and the wettest. Across the month the normal high rises 8°F, from 75°F on May 1 to 83°F on May 31. From one year to the next May's mean temperature typically moves about 3.0°F either way (NOAA's standard deviation), so roughly two Mays in three average between 65°F and 71°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 36%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| May 1 | 75°F | 51°F | 35% | 26% |
| May 8 | 77°F | 54°F | 35% | 26% |
| May 15 | 79°F | 56°F | 35% | 26% |
| May 22 | 81°F | 58°F | 35% | 26% |
| May 31 | 83°F | 61°F | 35% | 26% |
Every day of May: normal high, low and chance of precipitation (warmest afternoon May 31, coldest night May 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| May 1 | 75°F | 51°F | 35% | 26% | 13 h 40 min |
| May 2 | 76°F | 52°F | 35% | 26% | 13 h 40 min |
| May 3 | 76°F | 52°F | 35% | 26% | 13 h 40 min |
| May 4 | 76°F | 52°F | 35% | 26% | 13 h 40 min |
| May 5 | 76°F | 53°F | 35% | 26% | 13 h 50 min |
| May 6 | 77°F | 53°F | 35% | 26% | 13 h 50 min |
| May 7 | 77°F | 53°F | 35% | 26% | 13 h 50 min |
| May 8 | 77°F | 54°F | 35% | 26% | 13 h 50 min |
| May 9 | 77°F | 54°F | 35% | 26% | 13 h 50 min |
| May 10 | 78°F | 54°F | 35% | 26% | 14 h |
| May 11 | 78°F | 55°F | 35% | 26% | 14 h |
| May 12 | 78°F | 55°F | 35% | 26% | 14 h |
| May 13 | 78°F | 55°F | 35% | 26% | 14 h |
| May 14 | 79°F | 56°F | 35% | 26% | 14 h |
| May 15 | 79°F | 56°F | 35% | 26% | 14 h |
| May 16 | 79°F | 56°F | 35% | 26% | 14 h 10 min |
| May 17 | 79°F | 57°F | 35% | 26% | 14 h 10 min |
| May 18 | 80°F | 57°F | 35% | 26% | 14 h 10 min |
| May 19 | 80°F | 57°F | 35% | 26% | 14 h 10 min |
| May 20 | 80°F | 57°F | 35% | 26% | 14 h 10 min |
| May 21 | 81°F | 58°F | 35% | 26% | 14 h 10 min |
| May 22 | 81°F | 58°F | 35% | 26% | 14 h 10 min |
| May 23 | 81°F | 58°F | 35% | 26% | 14 h 20 min |
| May 24 | 81°F | 59°F | 35% | 26% | 14 h 20 min |
| May 25 | 82°F | 59°F | 35% | 26% | 14 h 20 min |
| May 26 | 82°F | 59°F | 36% | 26% | 14 h 20 min |
| May 27 | 82°F | 60°F | 36% | 26% | 14 h 20 min |
| May 28 | 83°F | 60°F | 36% | 26% | 14 h 20 min |
| May 29 | 83°F | 60°F | 36% | 26% | 14 h 20 min |
| May 30 | 83°F | 60°F | 35% | 26% | 14 h 20 min |
| May 31 | 83°F | 61°F | 35% | 26% | 14 h 30 min |
- Normal high
- 79°FMay average
- Normal low
- 56°FMay average
- Precipitation
- 5.61 inmonth total
- Days with precipitation
- 110.01 inch or more
- Days at 90°F or more
- 2
- Daylight
- 13 h 40 min to 14 h 30 minMay 1 to May 31
- Days at 70°F or more
- 26
- Days at 80°F or more
- 17
- Sunshine
- 75%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 May?
On a given May day the chance of 0.01 inch or more is 35% on average, highest around May 26 (36%). In all, 5.61 in falls on 11 days of a normal May, 2 of them with an inch or more.
In a normal May in Lebanon, 2 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00405108.
What are the records for May in Lebanon?
The warmest May temperature on this station's record (since 1902) is 96°F, on May 29, 1914; the coldest is 29°F, on May 4, 1976. The wettest May brought 12.64 in (1983).
The May mean against the 1991-2020 normal of 67.6°F: 2024 70.3°F (+2.7), 2025 68.1°F (+0.5), 2026 68.3°F (+0.7). 3 of 3 ran warmer than normal.
| May | Mean | Against normal | Precip. |
|---|---|---|---|
| 2024 | 70.3°F | +2.7°F | 10.75 in |
| 2025 | 68.1°F | +0.5°F | 6.51 in |
| 2026 | 68.3°F | +0.7°F | 4.43 in |
Source: records: ACIS, station USC00405108; recent months: ACIS, station USC00405108. Records and recent months use complete months only.
How does May in Lebanon compare across Tennessee?
Across the 116 places PlainClimate covers in Tennessee, May normal highs run from 71°F in Roan Mountain to 82°F in Collierville; Lebanon's is 79°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.