Suwayda climate — normals and trends
Suwayda (Syria) has a cold semi-arid climate (BSk) under the Köppen-Geiger classification. Its mean annual temperature is 15.9 °C and it receives 219 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 (23.9 °C on average) and the coldest is January (6.7 °C). Rainfall peaks in January.
Suwayda averages 12 frost days, 85 hot days (≥ 30 °C) and 47 rainy days per year.
Suwayda has warmed by +1.8 °C between 1940 and 2025, or +0.21 °C per decade. This trend is statistically significant.
The number of frost days there went from about 15 to 9 per year over the period.
The hottest day of the period reached 42.2 °C (on 12 August 2023) and the coldest -13.7 °C (on 5 January 1942).
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
SuwaydaSuwayda Governorate
- coords
- 32.71°, 36.57°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
15.9°C
Average daily high
22.6°C
Average daily low
10.3°C
Annual rainfall
219mm
Sunshine / day
11.0h
Mean relative humidity
57%
Average peak wind
19.7km/h
Seasonal range
17.2°C
Frost days (< 0 °C)
12 d/yr
Hot days (≥ 30 °C)
85 d/yr
Rainy days (≥ 1 mm)
47 d/yr
Annual snowfall
5.5 cm
Average feels-like high
20.6 °C
Average feels-like low
8.0 °C
Average peak gust
39.1 km/h
Tropical nights (≥ 20 °C)
10 d/yr
Solar radiation
20.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.8 °C
since 1940
+0.2 °C per decade · r² = 0.31 · 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
42.2 °C
12 August 2023
Coldest day
-13.7 °C
5 January 1942
Wettest day
37 mm
22 March 1991
Windiest day
48.5 km/h
10 April 1964
Strongest gust
96.8 km/h
10 April 1964
Hottest feels-like
42.6 °C
31 July 2011
Coldest feels-like
-18.9 °C
5 January 1942
Snowiest day
12.0 cm
1 March 2012
Sunniest day
13.4 h
4 July 1949
Normals computed over complete calendar years 1940–2025.
A specific year
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Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 15.5 °C | +3.7 °C | 3 mm | -42 mm |
| Feb | 12.1 °C | -1.0 °C | 31 mm | -12 mm |
| Mar | 19.8 °C | +3.7 °C | 46 mm | +7 mm |
| Apr | 23.4 °C | +2.2 °C | 13 mm | -6 mm |
| May | 29.1 °C | +2.9 °C | 3 mm | -4 mm |
| Jun | 32.7 °C | +3.1 °C | 0 mm | -1 mm |
| Jul | 33.4 °C | +2.1 °C | 0 mm | -2 mm |
| Aug | 34.4 °C | +2.7 °C | 9 mm | +8 mm |
| Sep | 31.1 °C | +1.0 °C | 5 mm | +4 mm |
| Oct | 27.0 °C | +1.1 °C | 1 mm | -6 mm |
| Nov | 24.0 °C | +4.4 °C | 24 mm | +5 mm |
| Dec | 14.5 °C | +0.5 °C | 51 mm | +17 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 Suwayda?
Suwayda has a cold semi-arid climate (Köppen BSk). Over 1940-2025, the average annual temperature is 15.9 °C and it receives 219 mm of precipitation per year.
What is the hottest day ever recorded in Suwayda?
The hottest day measured in Suwayda between 1940 and 2025 was 12 August 2023, reaching 42.2 °C.
What is the coldest day in Suwayda?
The coldest day measured in Suwayda between 1940 and 2025 was 5 January 1942, at -13.7 °C.
Does it snow in Suwayda?
Yes. Suwayda gets on average 5.5 cm of snow per year and has around 12 frost days.
Has the climate of Suwayda warmed?
Yes: Suwayda warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Suwayda?
The wettest day measured in Suwayda between 1940 and 2025 was 22 March 1991, with 37 mm of rain in 24 hours.
What was the windiest day in Suwayda?
The windiest day measured in Suwayda between 1940 and 2025 was 10 April 1964, with winds reaching 48.5 km/h.
What is the warmest month in Suwayda?
The warmest month in Suwayda is August (23.9 °C on average); the coldest is January (6.7 °C).
How much does it rain in Suwayda?
Suwayda receives on average 219 mm of precipitation per year, spread over about 47 rainy days.
Is it sunny in Suwayda?
Suwayda gets on average 11.0 hours of sunshine per day, roughly 4,015 hours per year over 1940-2025.
What is the biggest single-day snowfall in Suwayda?
The heaviest 24-hour snowfall measured in Suwayda between 1940 and 2025 was 1 March 2012, with 12.0 cm.
Are there tropical nights in Suwayda?
Yes: Suwayda has on average 10 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Suwayda?
In Suwayda, between 1940 and 2025, the highest apparent temperature reached 42.6 °C on 31 July 2011, and the lowest was -18.9 °C on 5 January 1942.
Compare Suwayda with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Suwayda