Nakhchivan climate — normals and trends
Nakhchivan (Azerbaijan) has a cold semi-arid climate (BSk) under the Köppen-Geiger classification. Its mean annual temperature is 11.3 °C and it receives 343 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 (24.8 °C on average) and the coldest is January (-2.9 °C). Rainfall peaks in April.
Nakhchivan averages 103 frost days, 58 hot days (≥ 30 °C) and 78 rainy days per year.
Nakhchivan has warmed by +2.5 °C between 1940 and 2025, or +0.29 °C per decade. This trend is statistically significant.
The number of frost days there went from about 118 to 88 per year over the period.
The hottest day of the period reached 39.8 °C (on 12 August 2003) and the coldest -25.7 °C (on 1 February 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
NakhchivanNakhchivan Autonomous Republic
- coords
- 39.21°, 45.41°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
11.3°C
Average daily high
16.9°C
Average daily low
6.4°C
Annual rainfall
343mm
Sunshine / day
10.8h
Mean relative humidity
58%
Average peak wind
9.9km/h
Seasonal range
27.7°C
Frost days (< 0 °C)
103 d/yr
Hot days (≥ 30 °C)
58 d/yr
Rainy days (≥ 1 mm)
78 d/yr
Annual snowfall
66.8 cm
Average feels-like high
15.0 °C
Average feels-like low
4.0 °C
Average peak gust
26.4 km/h
Tropical nights (≥ 20 °C)
15 d/yr
Solar radiation
17.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.5 °C
since 1940
+0.3 °C per decade · r² = 0.43 · 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
39.8 °C
12 August 2003
Coldest day
-25.7 °C
1 February 1972
Wettest day
32 mm
5 November 1981
Windiest day
34.9 km/h
12 April 2022
Strongest gust
78.5 km/h
12 April 2022
Hottest feels-like
39.7 °C
12 July 2018
Coldest feels-like
-30.7 °C
1 February 1972
Snowiest day
18.2 cm
5 November 1981
Sunniest day
14.0 h
18 May 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 | 3.7 °C | +2.3 °C | 2 mm | -26 mm |
| Feb | 3.4 °C | -0.3 °C | 39 mm | +8 mm |
| Mar | 15.1 °C | +5.8 °C | 8 mm | -45 mm |
| Apr | 18.9 °C | +2.7 °C | 57 mm | +2 mm |
| May | 25.6 °C | +3.8 °C | 34 mm | -13 mm |
| Jun | 29.2 °C | +1.7 °C | 17 mm | -7 mm |
| Jul | 33.1 °C | +1.7 °C | 3 mm | -8 mm |
| Aug | 34.8 °C | +3.5 °C | 1 mm | -6 mm |
| Sep | 26.6 °C | +0.1 °C | 24 mm | +14 mm |
| Oct | 21.5 °C | +2.7 °C | 6 mm | -19 mm |
| Nov | 14.7 °C | +4.1 °C | 4 mm | -24 mm |
| Dec | 5.6 °C | +1.7 °C | 35 mm | +9 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 Nakhchivan?
Nakhchivan has a cold semi-arid climate (Köppen BSk). Over 1940-2025, the average annual temperature is 11.3 °C and it receives 343 mm of precipitation per year.
What is the hottest day ever recorded in Nakhchivan?
The hottest day measured in Nakhchivan between 1940 and 2025 was 12 August 2003, reaching 39.8 °C.
What is the coldest day in Nakhchivan?
The coldest day measured in Nakhchivan between 1940 and 2025 was 1 February 1972, at -25.7 °C.
Does it snow in Nakhchivan?
Yes. Nakhchivan gets on average 66.8 cm of snow per year and has around 103 frost days.
Has the climate of Nakhchivan warmed?
Yes: Nakhchivan warmed by +2.5 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Nakhchivan?
The wettest day measured in Nakhchivan between 1940 and 2025 was 5 November 1981, with 32 mm of rain in 24 hours.
What was the windiest day in Nakhchivan?
The windiest day measured in Nakhchivan between 1940 and 2025 was 12 April 2022, with winds reaching 34.9 km/h.
What is the warmest month in Nakhchivan?
The warmest month in Nakhchivan is July (24.8 °C on average); the coldest is January (-2.9 °C).
How much does it rain in Nakhchivan?
Nakhchivan receives on average 343 mm of precipitation per year, spread over about 78 rainy days.
Is it sunny in Nakhchivan?
Nakhchivan gets on average 10.8 hours of sunshine per day, roughly 3,942 hours per year over 1940-2025.
What is the biggest single-day snowfall in Nakhchivan?
The heaviest 24-hour snowfall measured in Nakhchivan between 1940 and 2025 was 5 November 1981, with 18.2 cm.
Are there tropical nights in Nakhchivan?
Yes: Nakhchivan has on average 15 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Nakhchivan?
In Nakhchivan, between 1940 and 2025, the highest apparent temperature reached 39.7 °C on 12 July 2018, and the lowest was -30.7 °C on 1 February 1972.
Compare Nakhchivan with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Nakhchivan