Salyan climate — normals and trends
Salyan (Azerbaijan) has a cold semi-arid climate (BSk) under the Köppen-Geiger classification. Its mean annual temperature is 15.6 °C and it receives 323 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 (27.4 °C on average) and the coldest is January (4.5 °C). Rainfall peaks in October.
Salyan averages 23 frost days, 87 hot days (≥ 30 °C) and 65 rainy days per year.
Salyan has warmed by +1.6 °C between 1940 and 2025, or +0.19 °C per decade. This trend is statistically significant.
The number of frost days there went from about 29 to 17 per year over the period.
The hottest day of the period reached 41.9 °C (on 1 July 2018) and the coldest -15.7 °C (on 26 January 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
SalyanSalyan District
- coords
- 39.60°, 48.98°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
15.6°C
Average daily high
20.5°C
Average daily low
11.7°C
Annual rainfall
323mm
Sunshine / day
9.2h
Mean relative humidity
72%
Average peak wind
16.8km/h
Seasonal range
22.9°C
Frost days (< 0 °C)
23 d/yr
Hot days (≥ 30 °C)
87 d/yr
Rainy days (≥ 1 mm)
65 d/yr
Annual snowfall
14.6 cm
Average feels-like high
19.7 °C
Average feels-like low
10.5 °C
Average peak gust
33.0 km/h
Tropical nights (≥ 20 °C)
76 d/yr
Solar radiation
15.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.6 °C
since 1940
+0.2 °C per decade · r² = 0.34 · 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
41.9 °C
1 July 2018
Coldest day
-15.7 °C
26 January 1972
Wettest day
57 mm
26 November 1974
Windiest day
46.9 km/h
12 July 1999
Strongest gust
87.8 km/h
12 July 1999
Hottest feels-like
44.2 °C
8 August 2021
Coldest feels-like
-21.5 °C
26 January 1972
Snowiest day
18.2 cm
21 February 2015
Sunniest day
14.0 h
23 June 1940
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 | 12.0 °C | +3.5 °C | 6 mm | -22 mm |
| Feb | 8.4 °C | -1.0 °C | 39 mm | +9 mm |
| Mar | 17.0 °C | +4.3 °C | 19 mm | -20 mm |
| Apr | 20.4 °C | +1.9 °C | 64 mm | +27 mm |
| May | 27.1 °C | +2.2 °C | 16 mm | -17 mm |
| Jun | 31.4 °C | +0.7 °C | 2 mm | -13 mm |
| Jul | 35.3 °C | +1.7 °C | 3 mm | -4 mm |
| Aug | 35.1 °C | +1.9 °C | 9 mm | -0 mm |
| Sep | 27.5 °C | -0.6 °C | 24 mm | +6 mm |
| Oct | 24.2 °C | +2.7 °C | 11 mm | -28 mm |
| Nov | 19.7 °C | +4.6 °C | 6 mm | -30 mm |
| Dec | 11.8 °C | +1.5 °C | 61 mm | +29 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 Salyan?
Salyan has a cold semi-arid climate (Köppen BSk). Over 1940-2025, the average annual temperature is 15.6 °C and it receives 323 mm of precipitation per year.
What is the hottest day ever recorded in Salyan?
The hottest day measured in Salyan between 1940 and 2025 was 1 July 2018, reaching 41.9 °C.
What is the coldest day in Salyan?
The coldest day measured in Salyan between 1940 and 2025 was 26 January 1972, at -15.7 °C.
Does it snow in Salyan?
Yes. Salyan gets on average 14.6 cm of snow per year and has around 23 frost days.
Has the climate of Salyan warmed?
Yes: Salyan warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Salyan?
The wettest day measured in Salyan between 1940 and 2025 was 26 November 1974, with 57 mm of rain in 24 hours.
What was the windiest day in Salyan?
The windiest day measured in Salyan between 1940 and 2025 was 12 July 1999, with winds reaching 46.9 km/h.
What is the warmest month in Salyan?
The warmest month in Salyan is July (27.4 °C on average); the coldest is January (4.5 °C).
How much does it rain in Salyan?
Salyan receives on average 323 mm of precipitation per year, spread over about 65 rainy days.
Is it sunny in Salyan?
Salyan gets on average 9.2 hours of sunshine per day, roughly 3,358 hours per year over 1940-2025.
What is the biggest single-day snowfall in Salyan?
The heaviest 24-hour snowfall measured in Salyan between 1940 and 2025 was 21 February 2015, with 18.2 cm.
Are there tropical nights in Salyan?
Yes: Salyan has on average 76 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Salyan?
In Salyan, between 1940 and 2025, the highest apparent temperature reached 44.2 °C on 8 August 2021, and the lowest was -21.5 °C on 26 January 1972.
Compare Salyan with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Salyan