Beirut in Summer
In summer (June, July and August), Beirut sees average daytime highs around 28°C and overnight lows near 23°C, with 3 mm of rain over about 1 wet days across the season. It is the warmest season of the year and the driest season of the year.
Over the season highs climb from about 25°C in early June to 29°C by late August. The sky is clear or mostly clear about 97% of the time across summer, and the air most often feels muggy.
Summer is Beirut's best season of the year to visit on our travel score. For the whole year in context, see Beirut's year-round climate.
- Avg daytime high
- 28°C
- warmest season of the year
- Avg overnight low
- 23°C
- Rainfall
- 3 mm
- 1 wet days
- Avg wind
- 12 km/h
- Travel score
- 8.3
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Beirut in Summer
Over the season highs climb from about 25°C in early June to 29°C by late August.
A typical summer day in Beirut reaches about 28°C and drops to 23°C overnight. The warmest of the three months is August, the coolest June.
Beirut 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.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 15° / 10° | 144 | 13.8 | 10 | 4.4 |
| Feb | 15° / 10° | 138 | 11.3 | 10.7 | 4.7 |
| Mar | 17° / 12° | 105 | 9.4 | 11.7 | 5.9 |
| Apr | 20° / 14° | 46 | 5.6 | 12.8 | 7.4 |
| May | 24° / 18° | 17 | 3 | 13.7 | 8.7 |
| Jun | 26° / 22° | 2 | 0.7 | 14.2 | 9.1 |
| Jul | 29° / 24° | 0 | 0.1 | 14 | 8.1 |
| Aug | 29° / 24° | 1 | 0.3 | 13.3 | 7.6 |
| Sep | 28° / 23° | 6 | 1.2 | 12.2 | 8.3 |
| Oct | 25° / 20° | 30 | 4.5 | 11.1 | 8.3 |
| Nov | 21° / 16° | 78 | 7.7 | 10.2 | 7.3 |
| Dec | 17° / 12° | 133 | 11.3 | 9.8 | 5.5 |
Cloud cover in Summer
The sky is clear or mostly clear about 97% of the time across summer.
Chance of precipitation in Summer
Beirut gets around 3 mm of rain over 1 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 12 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 14 h 06 min in early June to 12 h 48 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 7.5 kWh/m².
Hazard calendar for Beirut
None of Beirut's seasonal hazards peak in summer. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Beirut's rainy season runs November–March, when most of the year's rain falls.
Is summer a good time to visit Beirut?
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.
summer is one of the better times to visit Beirut for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Beirut in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Beirut sees daytime highs around 28°C and nights near 23°C. Pack light clothes and sun protection.
Sea temperature near Beirut in Summer
The nearest coast averages about 27°C across summer — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in August at about 28°C and coldest in March near 17°C.
It's comfortable for a long swim from May 3 to Dec 23 — about 7.7 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 18 | 18 | 17 | 19 | 21 | 25 | 27 | 28 | 28 | 26 | 23 | 21 |
| Comfort | Cool | Cool | Cool | Cool | Refreshing | Warm | Warm | Tropical | Warm | Warm | Refreshing | Refreshing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 18 | Cool |
| Feb | 18 | Cool |
| Mar | 17 | Cool |
| Apr | 19 | Cool |
| May | 21 | Refreshing |
| Jun | 25 | Warm |
| Jul | 27 | Warm |
| Aug | 28 | Tropical |
| Sep | 28 | Warm |
| Oct | 26 | Warm |
| Nov | 23 | Refreshing |
| Dec | 21 | Refreshing |
UV index in Beirut in Summer
Clear-sky midday UV across summer averages around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Beirut peaks around June 21 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 11 at about 3 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 3 | 4 | 5 | 7 | 8 | 11 | 10 | 10 | 8 | 6 | 4 | 3 |
| Level | Moderate | Moderate | Moderate | High | Very high | Extreme | Very high | Very high | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 3 | Moderate |
| Feb | 4 | Moderate |
| Mar | 5 | Moderate |
| Apr | 7 | High |
| May | 8 | Very high |
| Jun | 11 | Extreme |
| Jul | 10 | Very high |
| Aug | 10 | Very high |
| Sep | 8 | Very high |
| Oct | 6 | High |
| Nov | 4 | Moderate |
| Dec | 3 | Moderate |
Air quality in Beirut in Summer
Average fine-particle pollution (PM2.5) through the year — so you can see where summer falls, not just the annual average.
Air quality in Beirut is worst in April — around 29 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (August, 12 µg/m³).
Seasonal pattern from CAMS reanalysis, scaled to Beirut's WHO annual average of 19 µg/m³.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 18 | 22 | 25 | 29 | 25 | 18 | 14 | 12 | 13 | 15 | 18 | 17 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 18 | Moderate |
| Feb | 22 | Moderate |
| Mar | 25 | Moderate |
| Apr | 29 | Moderate |
| May | 25 | Moderate |
| Jun | 18 | Moderate |
| Jul | 14 | Moderate |
| Aug | 12 | Moderate |
| Sep | 13 | Moderate |
| Oct | 15 | Moderate |
| Nov | 18 | Moderate |
| Dec | 17 | Moderate |
Where is Beirut?
Beirut sits at 33.9°N, 35.5°E, 40 m above sea level, in Lebanon. The nearest listed city is Ra’s Bayrūt, 2.0 km away.
Topography around Beirut
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Beirut.
Within 3 km, the terrain around Beirut has only modest variations in elevation — a maximum elevation change of 106 m around an average of 32 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,129 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,079 m.
The land around Beirut is covered by artificial surfaces (58%) and water (32%) within 3 km, water (60%) and trees (21%) within 16 km, and grassland (36%) and water (34%) within 80 km.
Lebanon travel facts
- Travel advisory
- Level 4
- Do Not Travel
- Power plugs
- Type A / B / C / D / G
- 220 V · 50 Hz
- Prices
- ≈ 38% of US
- price level, 2024
- GDP per capita
- $4,473
- 2024
- Happiness
- 3.7 / 10
- World Happiness, 2025
- Safe drinking water
- 48%
- of population, 2024
- Homicide rate
- 2.2
- per 100k, 2020
- Road deaths
- 16.4
- per 100k/yr, 2019
- Income group
- Lower middle
- World Bank
- English
- Low
- EF EPI 477
- Religion
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 Beirut (33.8933°, 35.5016°, elevation 40 m), 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.