Sirvan climate — normals and trends
Sirvan (Azerbaijan) has a cold semi-arid climate (BSk) under the Köppen-Geiger classification. Its mean annual temperature is 15.3 °C and it receives 296 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 (28.1 °C on average) and the coldest is January (3.4 °C). Rainfall peaks in April.
Sirvan averages 33 frost days, 93 hot days (≥ 30 °C) and 61 rainy days per year.
Sirvan has warmed by +1.4 °C between 1940 and 2025, or +0.17 °C per decade. This trend is statistically significant.
The number of frost days there went from about 40 to 26 per year over the period.
The hottest day of the period reached 43.5 °C (on 1 July 2018) and the coldest -19.7 °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
SirvanShirvan
- coords
- 39.94°, 48.93°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
15.3°C
Average daily high
20.5°C
Average daily low
11.0°C
Annual rainfall
296mm
Sunshine / day
9.2h
Mean relative humidity
68%
Average peak wind
16.8km/h
Seasonal range
24.7°C
Frost days (< 0 °C)
33 d/yr
Hot days (≥ 30 °C)
93 d/yr
Rainy days (≥ 1 mm)
61 d/yr
Annual snowfall
14.9 cm
Average feels-like high
19.1 °C
Average feels-like low
9.5 °C
Average peak gust
32.4 km/h
Tropical nights (≥ 20 °C)
72 d/yr
Solar radiation
14.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.4 °C
since 1940
+0.2 °C per decade · r² = 0.28 · 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
43.5 °C
1 July 2018
Coldest day
-19.7 °C
26 January 1972
Wettest day
56 mm
28 August 1963
Windiest day
47.9 km/h
10 May 1952
Strongest gust
88.2 km/h
10 May 1952
Hottest feels-like
45.5 °C
17 July 2005
Coldest feels-like
-25.1 °C
26 January 1972
Snowiest day
13.2 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 | 11.0 °C | +3.7 °C | 2 mm | -18 mm |
| Feb | 7.9 °C | -0.8 °C | 28 mm | +2 mm |
| Mar | 18.1 °C | +5.5 °C | 19 mm | -17 mm |
| Apr | 20.8 °C | +1.6 °C | 90 mm | +52 mm |
| May | 27.5 °C | +1.6 °C | 28 mm | -5 mm |
| Jun | 31.9 °C | +0.3 °C | 2 mm | -15 mm |
| Jul | 36.0 °C | +1.5 °C | 4 mm | -5 mm |
| Aug | 35.8 °C | +2.0 °C | 5 mm | -5 mm |
| Sep | 26.7 °C | -1.3 °C | 35 mm | +15 mm |
| Oct | 23.9 °C | +3.1 °C | 11 mm | -21 mm |
| Nov | 18.8 °C | +4.8 °C | 9 mm | -21 mm |
| Dec | 10.7 °C | +1.7 °C | 53 mm | +27 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 Sirvan?
Sirvan has a cold semi-arid climate (Köppen BSk). Over 1940-2025, the average annual temperature is 15.3 °C and it receives 296 mm of precipitation per year.
What is the hottest day ever recorded in Sirvan?
The hottest day measured in Sirvan between 1940 and 2025 was 1 July 2018, reaching 43.5 °C.
What is the coldest day in Sirvan?
The coldest day measured in Sirvan between 1940 and 2025 was 26 January 1972, at -19.7 °C.
Does it snow in Sirvan?
Yes. Sirvan gets on average 14.9 cm of snow per year and has around 33 frost days.
Has the climate of Sirvan warmed?
Yes: Sirvan warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Sirvan?
The wettest day measured in Sirvan between 1940 and 2025 was 28 August 1963, with 56 mm of rain in 24 hours.
What was the windiest day in Sirvan?
The windiest day measured in Sirvan between 1940 and 2025 was 10 May 1952, with winds reaching 47.9 km/h.
What is the warmest month in Sirvan?
The warmest month in Sirvan is July (28.1 °C on average); the coldest is January (3.4 °C).
How much does it rain in Sirvan?
Sirvan receives on average 296 mm of precipitation per year, spread over about 61 rainy days.
Is it sunny in Sirvan?
Sirvan 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 Sirvan?
The heaviest 24-hour snowfall measured in Sirvan between 1940 and 2025 was 21 February 2015, with 13.2 cm.
Are there tropical nights in Sirvan?
Yes: Sirvan has on average 72 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Sirvan?
In Sirvan, between 1940 and 2025, the highest apparent temperature reached 45.5 °C on 17 July 2005, and the lowest was -25.1 °C on 26 January 1972.
Compare Sirvan with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Sirvan