Lebanon in Summer

In summer (June, July and August), Lebanon sees average daytime highs around 87°F and overnight lows near 70°F, with 11.3 in of rain over about 36 wet days across the season. It is the warmest season of the year and the 3rd-wettest season.

Over the season highs climb from about 83°F in early June to 86°F by late August. The sky is clear or mostly clear about 32% of the time across summer, and the air most often feels muggy.

Summer is Lebanon's 3rd-best season to visit on our travel score. For the whole year in context, see Lebanon's year-round climate.

Avg daytime high
87°F
warmest season of the year
Avg overnight low
70°F
Rainfall
11.3 in
36 wet days
Avg wind
5 mph
Travel score
4.6
3rd-best season
Months
Jun · Jul · Aug

Temperature in Lebanon in Summer

Average highAverage lowShaded bands: 10–90% of days

Over the season highs climb from about 83°F in early June to 86°F by late August.

A typical summer day in Lebanon reaches about 87°F and drops to 70°F overnight. The warmest of the three months is July, the coolest June.

60°80°100°JunJulAug

How summer really feels in Lebanon

Once humidity and wind are folded in, summer brings about 62 days that feel above 90°F and 0 that feel at or below 32°F.

Days feeling ≥ 90°F
62
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

The story in summer is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Lebanon weather by month

How the three summer months (June, July and August) compare with the rest of the year — the season's months are highlighted.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan47° / 32°4.310.91.79.81.5
Feb51° / 34°4.710.71.710.62.4
Mar60° / 41°5.111.90.711.74.7
Apr70° / 50°5.011012.96.2
May78° / 60°4.812.6013.96.3
Jun85° / 68°4.012.5014.44.9
Jul88° / 71°4.112.5014.24.2
Aug87° / 70°3.210.5013.44.6
Sep82° / 63°3.37.9012.26.5
Oct71° / 51°3.57.90.111.17.1
Nov59° / 41°4.08.80.310.14.8
Dec50° / 35°5.1110.89.62.2

Cloud cover in Summer

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% of the time across summer.

0%25%50%75%100%JunJulAug

Chance of precipitation in Summer

Any precipitation

Lebanon gets around 11.3 in of rain over 36 wet days across summer. The line is the day-by-day chance of measurable precipitation.

0%10%20%30%40%50%JunJulAug

Humidity in Summer

DryComfortableHumidMuggyOppressiveMiserable

Most of summer feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.

0%25%50%75%100%JunJulAug

Wind in Summer

Winds average 5 mph across summer.

0246810JunJulAug

Sunrise & sunset in Summer

DaylightNight

Daylight runs from about 14 h 18 min in early June to 12 h 48 min by late August. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMJunJulAug

Solar energy in Summer

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across summer, about 6.0 kWh/m².

0246JunJulAug
Planning a trip in summer

Is summer a good time to visit Lebanon?

Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

4.6
Sightseeing
3rd-best month of the year
6.4
Beach & pool
1st-best month of the year

summer is a reasonable time to visit Lebanon for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Lebanon in Summer

From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In summer, Lebanon sees daytime highs around 87°F and nights near 70°F. Pack light clothes and sun protection. Worth having: rain gear. About 36 days see rain.

light clothessun protectionrain gear

UV index in Lebanon in Summer

LowModerateHighVery highExtreme

Clear-sky midday UV across summer averages around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Lebanon peaks around July 11 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJul 11UV 9Dec 21UV 2
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr7High
May8Very high
Jun9Very high
Jul10Very high
Aug8Very high
Sep7High
Oct5Moderate
Nov4Moderate
Dec2Moderate

Air quality in Lebanon in Summer

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where summer falls, not just the annual average.

Air quality in Lebanon is worst in July — around 18 µg/m³ PM2.5 (moderate), about 3.1× the cleanest month (December, 6 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1518 µg/m³Dec 176 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb8Good
Mar9Good
Apr10Good
May13Moderate
Jun15Moderate
Jul18Moderate
Aug14Moderate
Sep11Good
Oct7Good
Nov6Good
Dec6Good
Location & terrain

Where is Lebanon?

Lebanon sits at 36.2°N, 86.3°W, 528 ft above sea level, in United States. The nearest listed city is Mount Juliet, 12 mi away.

Topography around Lebanon

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Lebanon.

Within 2 miles, the terrain around Lebanon has only modest variations in elevation — a maximum elevation change of 233 ft around an average of 568 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 804 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,919 ft.

The land around Lebanon is covered by grassland (39%), trees (34%) and artificial surfaces (25%) within 2 miles, trees (50%) and grassland (43%) within 10 miles, and trees (57%) and grassland (29%) within 50 miles.

2 miles
233 ft
10 miles
804 ft
50 miles
1,919 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
Summer weather nearby: Mount Juliet 12 mi · Gallatin 15 mi · Hermitage 19 mi · Hendersonville 19 mi · Smyrna 20 mi · La Vergne 21 mi · Goodlettsville 25 mi · Murfreesboro 25 mi

United States travel facts

Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 100% of US
price level, 2025
GDP per capita
$90,027
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
5.8
per 100k, 2023
Road deaths
12.7
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Lebanon (36.2081°, -86.2911°, elevation 528 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.