Mount Lebanon climate — normals and trends

Q: What is the climate of Mount Lebanon?

Mount Lebanon has a hot-summer humid continental climate (Köppen Dfa). Over 1940-2025, the average annual temperature is 10.9 °C and it receives 1,231 mm of precipitation per year.

Q: What is the hottest day ever recorded in Mount Lebanon?

The hottest day measured in Mount Lebanon between 1940 and 2025 was 7 July 1988, reaching 38.1 °C.

Q: What is the coldest day in Mount Lebanon?

The coldest day measured in Mount Lebanon between 1940 and 2025 was 19 January 1994, at -28.7 °C.

Q: Does it snow in Mount Lebanon?

Yes. Mount Lebanon gets on average 70.4 cm of snow per year and has around 100 frost days.

Q: Has the climate of Mount Lebanon warmed?

Yes: Mount Lebanon warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Mount Lebanon?

The wettest day measured in Mount Lebanon between 1940 and 2025 was 17 September 2004, with 114 mm of rain in 24 hours.

Q: What was the windiest day in Mount Lebanon?

The windiest day measured in Mount Lebanon between 1940 and 2025 was 3 April 1975, with winds reaching 44.8 km/h.

Q: What is the warmest month in Mount Lebanon?

The warmest month in Mount Lebanon is July (22.5 °C on average); the coldest is January (-1.5 °C).

Q: How much does it rain in Mount Lebanon?

Mount Lebanon receives on average 1,231 mm of precipitation per year, spread over about 150 rainy days.

Q: Is it sunny in Mount Lebanon?

Mount Lebanon gets on average 8.2 hours of sunshine per day, roughly 2,993 hours per year over 1940-2025.

Mount Lebanon (United States) has a hot-summer humid continental climate (Dfa) under the Köppen-Geiger classification. Its mean annual temperature is 10.9 °C and it receives 1,231 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 (22.5 °C on average) and the coldest is January (-1.5 °C). Rainfall peaks in May.

Mount Lebanon averages 100 frost days, 20 hot days (≥ 30 °C) and 150 rainy days per year.

Mount Lebanon has warmed by +1.9 °C between 1940 and 2025, or +0.22 °C per decade. This trend is statistically significant.

The number of frost days there went from about 112 to 88 per year over the period.

The hottest day of the period reached 38.1 °C (on 7 July 1988) and the coldest -28.7 °C (on 19 January 1994).

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

Mount LebanonPennsylvania

coords: 40.36°, -80.05°
period: 1940–2025 · 86 yrs

DfaHot-summer humid continentalWarmest monthJulyColdest monthJanuaryWettest monthMayDriest monthOctober

Mean daily temperature

10.9°C

Average daily high

15.9°C

Average daily low

6.4°C

Annual rainfall

1,231mm

Sunshine / day

8.2h

Mean relative humidity

71%

Average peak wind

15.3km/h

Seasonal range

24.0°C

Frost days (< 0 °C)

100 d/yr

Hot days (≥ 30 °C)

20 d/yr

Rainy days (≥ 1 mm)

150 d/yr

Annual snowfall

70.4 cm

Average feels-like high

14.5 °C

Average feels-like low

4.0 °C

Average peak gust

36.6 km/h

Tropical nights (≥ 20 °C)

19 d/yr

Solar radiation

14.1 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.9 °C

since 1940

+0.2 °C per decade · r² = 0.42 · p = < 0.001

19402025

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

38.1 °C

7 July 1988

Coldest day

-28.7 °C

19 January 1994

Wettest day

114 mm

17 September 2004

Windiest day

44.8 km/h

3 April 1975

Strongest gust

115.6 km/h

25 February 1956

Hottest feels-like

42.9 °C

15 July 1995

Coldest feels-like

-34.7 °C

19 January 1994

Snowiest day

30.8 cm

13 March 1993

Sunniest day

14.8 h

3 July 2025

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	34.5 °C24 June 2025	-26.9 °C22 January 2025	11.6 °C	1,333 mm	29	100
2024	35.6 °C21 June 2024	-15.3 °C22 January 2024	13.1 °C	1,258 mm	41	68
2023	33.1 °C2 June 2023	-13.8 °C4 February 2023	12.7 °C	1,101 mm	16	67
2022	33.9 °C22 June 2022	-21.5 °C27 January 2022	11.8 °C	1,314 mm	33	96
2021	33.8 °C12 August 2021	-20.0 °C21 February 2021	12.4 °C	1,296 mm	22	92
2020	34.7 °C9 July 2020	-11.4 °C15 February 2020	12.7 °C	1,201 mm	43	71
2019	33.4 °C11 September 2019	-19.3 °C31 January 2019	12.2 °C	1,478 mm	27	96
2018	33.9 °C5 September 2018	-21.5 °C7 January 2018	11.8 °C	1,775 mm	25	104
2017	32.5 °C18 June 2017	-15.6 °C28 December 2017	12.4 °C	1,401 mm	18	80
2016	34.6 °C25 July 2016	-17.4 °C14 February 2016	12.6 °C	1,174 mm	35	85
2015	32.3 °C12 June 2015	-25.8 °C24 February 2015	11.8 °C	1,261 mm	22	91
2014	30.9 °C1 July 2014	-22.9 °C28 January 2014	10.4 °C	1,117 mm	7	110
2013	33.1 °C18 July 2013	-14.5 °C23 January 2013	11.3 °C	1,060 mm	20	109
2012	37.4 °C29 June 2012	-11.5 °C4 January 2012	12.8 °C	1,188 mm	42	85
2011	35.2 °C21 July 2011	-20.9 °C22 January 2011	11.9 °C	1,560 mm	28	92
2010	34.4 °C2 September 2010	-18.3 °C10 January 2010	11.5 °C	1,073 mm	32	104
2009	31.6 °C9 August 2009	-25.4 °C17 January 2009	11.0 °C	1,095 mm	6	97
2008	33.1 °C9 June 2008	-16.6 °C28 February 2008	11.0 °C	1,337 mm	18	104
2007	33.7 °C8 August 2007	-20.1 °C6 February 2007	11.8 °C	1,130 mm	36	96
2006	33.1 °C2 August 2006	-15.4 °C19 February 2006	11.7 °C	1,132 mm	17	82
2005	35.5 °C13 August 2005	-19.0 °C24 January 2005	11.5 °C	1,143 mm	43	90
2004	30.2 °C4 July 2004	-20.1 °C25 January 2004	11.2 °C	1,440 mm	2	94
2003	31.0 °C4 July 2003	-20.1 °C27 January 2003	10.6 °C	1,406 mm	5	105
2002	34.5 °C14 August 2002	-12.1 °C5 March 2002	11.8 °C	1,246 mm	36	87
2001	34.2 °C7 August 2001	-16.7 °C23 January 2001	11.6 °C	984 mm	19	88
2000	31.2 °C11 June 2000	-18.7 °C29 January 2000	10.7 °C	1,131 mm	2	106
1999	35.1 °C5 July 1999	-18.2 °C6 January 1999	11.6 °C	1,021 mm	33	94
1998	31.7 °C25 June 1998	-12.1 °C23 December 1998	12.2 °C	1,227 mm	8	72
1997	31.7 °C17 July 1997	-20.2 °C19 January 1997	10.3 °C	1,153 mm	9	103
1996	31.4 °C30 June 1996	-22.8 °C10 March 1996	10.2 °C	1,533 mm	5	103
1995	36.1 °C15 July 1995	-19.6 °C6 February 1995	10.8 °C	1,272 mm	31	106
1994	34.6 °C19 June 1994	-28.7 °C19 January 1994	10.8 °C	1,404 mm	18	98
1993	35.2 °C9 July 1993	-22.5 °C25 February 1993	11.1 °C	1,156 mm	41	97
1992	31.8 °C14 July 1992	-19.6 °C19 January 1992	10.6 °C	1,158 mm	6	92
1991	35.4 °C2 August 1991	-14.1 °C16 February 1991	12.5 °C	1,093 mm	60	93
1990	33.8 °C4 July 1990	-14.4 °C26 February 1990	12.2 °C	1,454 mm	12	83
1989	32.7 °C11 July 1989	-24.9 °C22 December 1989	10.4 °C	1,360 mm	15	110
1988	38.1 °C7 July 1988	-21.4 °C7 February 1988	10.9 °C	957 mm	50	112
1987	34.6 °C17 August 1987	-22.0 °C25 January 1987	11.4 °C	1,269 mm	27	97
1986	33.1 °C18 July 1986	-19.4 °C8 March 1986	11.4 °C	1,277 mm	17	94
1985	32.8 °C14 August 1985	-27.4 °C21 January 1985	10.9 °C	1,192 mm	10	95
1984	32.4 °C12 June 1984	-24.4 °C21 January 1984	10.9 °C	1,265 mm	13	91
1983	34.7 °C20 August 1983	-23.6 °C25 December 1983	10.9 °C	1,133 mm	34	92
1982	31.4 °C25 July 1982	-26.9 °C17 January 1982	10.9 °C	1,102 mm	11	103
1981	33.2 °C8 July 1981	-22.9 °C13 February 1981	10.3 °C	1,092 mm	10	104
1980	34.2 °C28 June 1980	-18.5 °C3 February 1980	10.2 °C	1,227 mm	17	110
1979	30.6 °C31 July 1979	-24.3 °C11 February 1979	10.0 °C	1,361 mm	2	105
1978	33.1 °C22 July 1978	-17.3 °C10 January 1978	9.9 °C	1,416 mm	12	108
1977	33.9 °C6 July 1977	-25.6 °C17 January 1977	10.6 °C	1,356 mm	16	97
1976	31.9 °C12 June 1976	-21.7 °C3 December 1976	9.9 °C	1,150 mm	13	120
1975	35.4 °C1 August 1975	-22.8 °C10 February 1975	11.0 °C	1,393 mm	13	104
1974	33.9 °C14 July 1974	-18.7 °C5 January 1974	10.9 °C	1,233 mm	17	97
1973	34.2 °C28 August 1973	-18.7 °C17 February 1973	11.4 °C	1,425 mm	18	89
1972	32.5 °C23 July 1972	-22.1 °C16 January 1972	10.1 °C	1,447 mm	8	107
1971	36.2 °C28 June 1971	-19.8 °C2 February 1971	10.9 °C	1,101 mm	14	104
1970	32.9 °C30 June 1970	-20.3 °C22 January 1970	10.8 °C	1,219 mm	21	99
1969	33.2 °C27 June 1969	-17.5 °C25 December 1969	10.3 °C	1,063 mm	15	118
1968	33.2 °C1 July 1968	-21.5 °C8 January 1968	10.2 °C	1,079 mm	20	109
1967	33.9 °C13 June 1967	-24.0 °C8 February 1967	10.3 °C	1,205 mm	13	102
1966	36.3 °C3 July 1966	-21.7 °C29 January 1966	10.2 °C	1,038 mm	29	116
1965	35.3 °C15 August 1965	-21.1 °C17 January 1965	10.7 °C	985 mm	26	108
1964	33.8 °C9 September 1964	-17.8 °C14 January 1964	10.9 °C	1,210 mm	29	108
1963	33.7 °C26 June 1963	-27.7 °C24 January 1963	9.6 °C	943 mm	17	115
1962	33.2 °C20 August 1962	-21.7 °C11 February 1962	10.2 °C	1,220 mm	22	115
1961	32.9 °C2 July 1961	-21.4 °C25 January 1961	10.4 °C	1,278 mm	14	100
1960	31.4 °C5 June 1960	-20.4 °C23 December 1960	10.1 °C	1,090 mm	18	117
1959	34.6 °C9 September 1959	-20.4 °C18 January 1959	11.4 °C	1,188 mm	43	104
1958	31.7 °C4 July 1958	-26.0 °C11 December 1958	9.5 °C	1,152 mm	5	105
1957	34.1 °C3 August 1957	-21.5 °C17 January 1957	11.0 °C	1,141 mm	19	103
1956	32.2 °C1 July 1956	-17.2 °C27 January 1956	10.7 °C	1,432 mm	7	102
1955	34.9 °C2 August 1955	-23.3 °C4 February 1955	11.2 °C	1,122 mm	37	115
1954	35.2 °C14 July 1954	-15.9 °C18 January 1954	11.0 °C	1,151 mm	18	109
1953	36.4 °C3 September 1953	-11.4 °C18 December 1953	11.6 °C	1,137 mm	32	84
1952	35.3 °C26 June 1952	-14.3 °C30 January 1952	11.3 °C	1,266 mm	34	96
1951	33.7 °C15 August 1951	-26.1 °C3 February 1951	10.8 °C	1,252 mm	28	106
1950	31.3 °C26 June 1950	-28.4 °C28 December 1950	10.3 °C	1,484 mm	9	112
1949	34.2 °C4 July 1949	-14.2 °C30 January 1949	12.0 °C	1,168 mm	27	89
1948	35.1 °C27 August 1948	-22.6 °C19 January 1948	10.8 °C	1,377 mm	15	95
1947	30.9 °C13 August 1947	-16.9 °C5 February 1947	10.1 °C	1,044 mm	5	119
1946	31.3 °C19 July 1946	-16.7 °C27 January 1946	11.2 °C	1,172 mm	6	88
1945	31.3 °C30 June 1945	-21.5 °C10 January 1945	10.3 °C	1,454 mm	8	106
1944	32.6 °C12 August 1944	-20.7 °C22 December 1944	10.3 °C	1,227 mm	16	122
1943	31.0 °C12 August 1943	-19.9 °C4 March 1943	9.4 °C	1,123 mm	2	127
1942	31.5 °C19 July 1942	-25.8 °C21 December 1942	9.9 °C	1,474 mm	4	114
1941	33.1 °C28 July 1941	-20.6 °C2 March 1941	10.1 °C	1,009 mm	9	121
1940	33.5 °C29 July 1940	-24.7 °C26 February 1940	9.0 °C	1,315 mm	16	126

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?

Year

Across the whole year

Average daily high

16.6 °C

+0.7 °C

Hot days (≥ 30 °C)

29 d/yr

Frost days (< 0 °C)

100 d/yr

Annual rainfall

1333 mm

+102 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	-0.9 °C	-3.4 °C	50 mm	-37 mm
Feb	4.6 °C	+0.2 °C	120 mm	+36 mm
Mar	14.8 °C	+5.0 °C	75 mm	-37 mm
Apr	18.1 °C	+1.8 °C	139 mm	+25 mm
May	20.4 °C	-1.0 °C	229 mm	+100 mm
Jun	27.6 °C	+1.8 °C	163 mm	+37 mm
Jul	29.4 °C	+1.6 °C	158 mm	+36 mm
Aug	27.0 °C	0.0 °C	46 mm	-56 mm
Sep	25.5 °C	+1.9 °C	118 mm	+24 mm
Oct	17.8 °C	+0.4 °C	83 mm	+0 mm
Nov	10.2 °C	-0.3 °C	66 mm	-25 mm
Dec	4.3 °C	-0.4 °C	86 mm	-2 mm

The year's extremes

Hottest day

34.5 °C

24 Jun 2025

Coldest day

-26.9 °C

22 Jan 2025

Wettest day

51.5 mm

25 Sep 2025

Windiest day

34.4 km/h

15 Apr 2025

Strongest gust

90.4 km/h

15 Apr 2025

Hottest feels-like

39.1 °C

25 Jun 2025

Coldest feels-like

-31.6 °C

22 Jan 2025

Snowiest day

9.2 cm

2 Dec 2025

Sunniest day

14.8 h

3 Jul 2025

What was the weather like that day?

Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.

Date

Frequently asked questions

What is the climate of Mount Lebanon?

Mount Lebanon has a hot-summer humid continental climate (Köppen Dfa). Over 1940-2025, the average annual temperature is 10.9 °C and it receives 1,231 mm of precipitation per year.

What is the hottest day ever recorded in Mount Lebanon?

The hottest day measured in Mount Lebanon between 1940 and 2025 was 7 July 1988, reaching 38.1 °C.

What is the coldest day in Mount Lebanon?

The coldest day measured in Mount Lebanon between 1940 and 2025 was 19 January 1994, at -28.7 °C.

Does it snow in Mount Lebanon?

Yes. Mount Lebanon gets on average 70.4 cm of snow per year and has around 100 frost days.

Has the climate of Mount Lebanon warmed?

Yes: Mount Lebanon warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Mount Lebanon?

The wettest day measured in Mount Lebanon between 1940 and 2025 was 17 September 2004, with 114 mm of rain in 24 hours.

What was the windiest day in Mount Lebanon?

The windiest day measured in Mount Lebanon between 1940 and 2025 was 3 April 1975, with winds reaching 44.8 km/h.

What is the warmest month in Mount Lebanon?

The warmest month in Mount Lebanon is July (22.5 °C on average); the coldest is January (-1.5 °C).

How much does it rain in Mount Lebanon?

Mount Lebanon receives on average 1,231 mm of precipitation per year, spread over about 150 rainy days.

Is it sunny in Mount Lebanon?

Mount Lebanon gets on average 8.2 hours of sunshine per day, roughly 2,993 hours per year over 1940-2025.

What is the biggest single-day snowfall in Mount Lebanon?

The heaviest 24-hour snowfall measured in Mount Lebanon between 1940 and 2025 was 13 March 1993, with 30.8 cm.

Are there tropical nights in Mount Lebanon?

Yes: Mount Lebanon has on average 19 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Mount Lebanon?

In Mount Lebanon, between 1940 and 2025, the highest apparent temperature reached 42.9 °C on 15 July 1995, and the lowest was -34.7 °C on 19 January 1994.

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The climate around Mount Lebanon

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