Chmistâr climate — normals and trends
Chmistâr (Lebanon) has a warm-summer mediterranean climate (Csb) under the Köppen-Geiger classification. Its mean annual temperature is 11.9 °C and it receives 563 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 August (21.5 °C on average) and the coldest is January (1.6 °C). Rainfall peaks in January.
Chmistâr averages 75 frost days, 15 hot days (≥ 30 °C) and 83 rainy days per year.
Chmistâr has warmed by +2.2 °C between 1940 and 2025, or +0.25 °C per decade. This trend is statistically significant.
The number of frost days there went from about 90 to 60 per year over the period.
The hottest day of the period reached 36.6 °C (on 7 August 1987) and the coldest -20.2 °C (on 19 January 1964).
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
ChmistârBaalbek-Hermel Governorate
- coords
- 33.96°, 36.02°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
11.9°C
Average daily high
17.7°C
Average daily low
6.6°C
Annual rainfall
563mm
Sunshine / day
10.9h
Mean relative humidity
65%
Average peak wind
10.4km/h
Seasonal range
19.9°C
Frost days (< 0 °C)
75 d/yr
Hot days (≥ 30 °C)
15 d/yr
Rainy days (≥ 1 mm)
83 d/yr
Annual snowfall
108.8 cm
Average feels-like high
16.4 °C
Average feels-like low
4.3 °C
Average peak gust
34.6 km/h
Tropical nights (≥ 20 °C)
3 d/yr
Solar radiation
20.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.2 °C
since 1940
+0.3 °C per decade · r² = 0.39 · 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
36.6 °C
7 August 1987
Coldest day
-20.2 °C
19 January 1964
Wettest day
62 mm
18 December 1951
Windiest day
29.1 km/h
15 March 1941
Strongest gust
108.4 km/h
4 March 1988
Hottest feels-like
38.2 °C
7 August 1987
Coldest feels-like
-24.9 °C
19 January 1964
Snowiest day
38.5 cm
14 January 1968
Sunniest day
13.8 h
28 June 1941
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 | 11.0 °C | +4.6 °C | 21 mm | -87 mm |
| Feb | 5.7 °C | -1.6 °C | 88 mm | -13 mm |
| Mar | 14.7 °C | +4.1 °C | 50 mm | -44 mm |
| Apr | 17.0 °C | +1.5 °C | 61 mm | +7 mm |
| May | 23.4 °C | +2.9 °C | 28 mm | -3 mm |
| Jun | 27.4 °C | +2.4 °C | 3 mm | -3 mm |
| Jul | 29.2 °C | +1.5 °C | 0 mm | -1 mm |
| Aug | 30.0 °C | +1.8 °C | 5 mm | +3 mm |
| Sep | 26.5 °C | +0.7 °C | 4 mm | -2 mm |
| Oct | 22.0 °C | +1.0 °C | 9 mm | -18 mm |
| Nov | 19.1 °C | +4.2 °C | 42 mm | -7 mm |
| Dec | 9.8 °C | +0.6 °C | 98 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 Chmistâr?
Chmistâr has a warm-summer mediterranean climate (Köppen Csb). Over 1940-2025, the average annual temperature is 11.9 °C and it receives 563 mm of precipitation per year.
What is the hottest day ever recorded in Chmistâr?
The hottest day measured in Chmistâr between 1940 and 2025 was 7 August 1987, reaching 36.6 °C.
What is the coldest day in Chmistâr?
The coldest day measured in Chmistâr between 1940 and 2025 was 19 January 1964, at -20.2 °C.
Does it snow in Chmistâr?
Yes. Chmistâr gets on average 108.8 cm of snow per year and has around 75 frost days.
Has the climate of Chmistâr warmed?
Yes: Chmistâr warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Chmistâr?
The wettest day measured in Chmistâr between 1940 and 2025 was 18 December 1951, with 62 mm of rain in 24 hours.
What was the windiest day in Chmistâr?
The windiest day measured in Chmistâr between 1940 and 2025 was 15 March 1941, with winds reaching 29.1 km/h.
What is the warmest month in Chmistâr?
The warmest month in Chmistâr is August (21.5 °C on average); the coldest is January (1.6 °C).
How much does it rain in Chmistâr?
Chmistâr receives on average 563 mm of precipitation per year, spread over about 83 rainy days.
Is it sunny in Chmistâr?
Chmistâr gets on average 10.9 hours of sunshine per day, roughly 3,979 hours per year over 1940-2025.
What is the biggest single-day snowfall in Chmistâr?
The heaviest 24-hour snowfall measured in Chmistâr between 1940 and 2025 was 14 January 1968, with 38.5 cm.
Are there tropical nights in Chmistâr?
Yes: Chmistâr has on average 3 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Chmistâr?
In Chmistâr, between 1940 and 2025, the highest apparent temperature reached 38.2 °C on 7 August 1987, and the lowest was -24.9 °C on 19 January 1964.
Compare Chmistâr with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Chmistâr