Lebanon climate

Lebanon Weather in May

NOAA 1991-2020 normals for Flemington 5 Nnw, 8.5 km from Lebanon

Average highs run from 69°F on May 1 to 76°F on May 31, and lows from 44°F to 53°F. Normal precipitation for the month is 4.28 in over about 13 wet days.

May day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Lebanon, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
72°F
Average low
49°F
Precipitation
4.28 in
Record high
96°FMay 19, 2026
Record low
29°FMay 21, 2002
Chance of a freeze
30%
Days of 90°F or more
1.2
Daylight
13 h 57 min to 14 h 53 min
Cloud cover
65%
Humidity
78%
Dew point
52°F
Wind
4.5 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.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
May 169°F44°F92°F 201030°F 200840%0%
May 269°F44°F89°F 200133°F 200540%0%
May 369°F45°F91°F 200131°F 200541%0%
May 469°F45°F92°F 200131°F 200241%0%
May 570°F45°F85°F 200033°F 200541%0%
May 670°F46°F88°F 200033°F 201141%0%
May 770°F46°F91°F 200035°F 200641%0%
May 871°F46°F91°F 200036°F 200741%0%
May 971°F47°F90°F 200033°F 202041%0%
May 1071°F47°F84°F 201430°F 202041%0%
May 1171°F47°F88°F 200431°F 201041%0%
May 1272°F47°F90°F 200438°F 200941%0%
May 1372°F48°F88°F 200431°F 202041%0%
May 1472°F48°F82°F 201031°F 201341%0%
May 1572°F48°F88°F 200435°F 201942%0%
May 1672°F49°F85°F 200733°F 201642%0%
May 1773°F49°F91°F 201737°F 202342%0%
May 1873°F49°F94°F 202632°F 202342%0%
May 1973°F50°F96°F 202631°F 200242%0%
May 2073°F50°F93°F 202632°F 200242%0%
May 2174°F50°F93°F 202229°F 200242%0%
May 2274°F50°F91°F 202232°F 200242%0%
May 2374°F51°F91°F 202136°F 200242%0%
May 2474°F51°F89°F 200437°F 201541%0%
May 2575°F51°F89°F 200742°F 200841%0%
May 2675°F52°F93°F 201042°F 202341%0%
May 2775°F52°F89°F 201536°F 201341%0%
May 2875°F52°F91°F 201244°F 200841%0%
May 2976°F53°F92°F 200638°F 200841%0%
May 3076°F53°F92°F 201338°F 200441%0%
May 3176°F53°F95°F 202238°F 202641%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Lebanon, in percent, and of at least 0.1 inch of snowfall.010203040501102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

May 1
sunrise 5:58 AM, sunset 7:55 PM
May 31
sunrise 5:31 AM, sunset 8:24 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00283029 (Flemington 5 Nnw), public domain. Records: NOAA GHCN-Daily, station USW00054785, 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.