Lebanon climate — normals and trends
Lebanon (United States) has a warm-summer mediterranean climate (Csb) under the Köppen-Geiger classification. Its mean annual temperature is 11.3 °C and it receives 1,202 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is July (19.5 °C on average) and the coldest is January (4.4 °C). Rainfall peaks in December.
Lebanon averages 41 frost days, 22 hot days (≥ 30 °C) and 134 rainy days per year.
Lebanon has warmed by +1.7 °C between 1940 and 2025, or +0.20 °C per decade. This trend is statistically significant.
The number of frost days there went from about 50 to 32 per year over the period.
The hottest day of the period reached 45.3 °C (on 27 June 2021) and the coldest -21.8 °C (on 8 December 1972).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
LebanonOregon
- coords
- 44.54°, -122.91°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
11.3°C
Average daily high
16.8°C
Average daily low
6.5°C
Annual rainfall
1,202mm
Sunshine / day
8.7h
Mean relative humidity
75%
Average peak wind
13.5km/h
Seasonal range
15.1°C
Frost days (< 0 °C)
41 d/yr
Hot days (≥ 30 °C)
22 d/yr
Rainy days (≥ 1 mm)
134 d/yr
Annual snowfall
18.4 cm
Average feels-like high
15.2 °C
Average feels-like low
4.3 °C
Average peak gust
32.4 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
14.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.7 °C
since 1940
+0.2 °C per decade · r² = 0.46 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
45.3 °C
27 June 2021
Coldest day
-21.8 °C
8 December 1972
Wettest day
96 mm
21 December 1964
Windiest day
46.9 km/h
12 October 1962
Strongest gust
116.3 km/h
14 December 2006
Hottest feels-like
45.7 °C
27 June 2021
Coldest feels-like
-26.8 °C
8 December 1972
Snowiest day
20.6 cm
21 March 2012
Sunniest day
15.0 h
25 June 2023
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 8.5 °C | +0.4 °C | 109 mm | -72 mm |
| Feb | 9.5 °C | -0.8 °C | 152 mm | +9 mm |
| Mar | 13.2 °C | +0.8 °C | 241 mm | +93 mm |
| Apr | 17.2 °C | +2.3 °C | 56 mm | -43 mm |
| May | 19.8 °C | +1.3 °C | 30 mm | -37 mm |
| Jun | 24.8 °C | +2.6 °C | 18 mm | -19 mm |
| Jul | 29.6 °C | +2.5 °C | 0 mm | -9 mm |
| Aug | 29.8 °C | +2.7 °C | 7 mm | -8 mm |
| Sep | 25.4 °C | +1.6 °C | 36 mm | -2 mm |
| Oct | 17.1 °C | -0.2 °C | 102 mm | +3 mm |
| Nov | 12.7 °C | +1.5 °C | 118 mm | -57 mm |
| Dec | 11.1 °C | +3.0 °C | 205 mm | +14 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Lebanon?
Lebanon has a warm-summer mediterranean climate (Köppen Csb). Over 1940-2025, the average annual temperature is 11.3 °C and it receives 1,202 mm of precipitation per year.
What is the hottest day ever recorded in Lebanon?
The hottest day measured in Lebanon between 1940 and 2025 was 27 June 2021, reaching 45.3 °C.
What is the coldest day in Lebanon?
The coldest day measured in Lebanon between 1940 and 2025 was 8 December 1972, at -21.8 °C.
Does it snow in Lebanon?
Yes. Lebanon gets on average 18.4 cm of snow per year and has around 41 frost days.
Has the climate of Lebanon warmed?
Yes: Lebanon warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Lebanon?
The wettest day measured in Lebanon between 1940 and 2025 was 21 December 1964, with 96 mm of rain in 24 hours.
What was the windiest day in Lebanon?
The windiest day measured in Lebanon between 1940 and 2025 was 12 October 1962, with winds reaching 46.9 km/h.
What is the warmest month in Lebanon?
The warmest month in Lebanon is July (19.5 °C on average); the coldest is January (4.4 °C).
How much does it rain in Lebanon?
Lebanon receives on average 1,202 mm of precipitation per year, spread over about 134 rainy days.
Is it sunny in Lebanon?
Lebanon gets on average 8.7 hours of sunshine per day, roughly 3,175 hours per year over 1940-2025.
What is the biggest single-day snowfall in Lebanon?
The heaviest 24-hour snowfall measured in Lebanon between 1940 and 2025 was 21 March 2012, with 20.6 cm.
Are there tropical nights in Lebanon?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Lebanon.
What was the most extreme apparent temperature in Lebanon?
In Lebanon, between 1940 and 2025, the highest apparent temperature reached 45.7 °C on 27 June 2021, and the lowest was -26.8 °C on 8 December 1972.
Compare Lebanon with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Lebanon