Ardabil climate — normals and trends
Ardabil (Iran) has a warm-summer mediterranean continental climate (Dsb) under the Köppen-Geiger classification. Its mean annual temperature is 8.3 °C and it receives 480 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 (18.8 °C on average) and the coldest is January (-3.8 °C). Rainfall peaks in April.
Ardabil averages 130 frost days, 11 hot days (≥ 30 °C) and 100 rainy days per year.
Ardabil has warmed by +3.0 °C between 1940 and 2025, or +0.36 °C per decade. This trend is statistically significant.
The number of frost days there went from about 148 to 112 per year over the period.
The hottest day of the period reached 37.1 °C (on 16 August 2015) and the coldest -31.5 °C (on 13 January 1940).
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
ArdabilArdabil Province
- coords
- 38.25°, 48.29°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
8.3°C
Average daily high
14.4°C
Average daily low
3.0°C
Annual rainfall
480mm
Sunshine / day
10.0h
Mean relative humidity
69%
Average peak wind
12.3km/h
Seasonal range
22.6°C
Frost days (< 0 °C)
130 d/yr
Hot days (≥ 30 °C)
11 d/yr
Rainy days (≥ 1 mm)
100 d/yr
Annual snowfall
141.3 cm
Average feels-like high
12.3 °C
Average feels-like low
0.5 °C
Average peak gust
30.6 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
17.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+3.0 °C
since 1940
+0.4 °C per decade · r² = 0.51 · 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
37.1 °C
16 August 2015
Coldest day
-31.5 °C
13 January 1940
Wettest day
49 mm
5 November 1994
Windiest day
44.4 km/h
17 March 2014
Strongest gust
106.2 km/h
17 March 2014
Hottest feels-like
37.1 °C
11 July 2018
Coldest feels-like
-36.2 °C
13 January 1940
Snowiest day
27.4 cm
19 October 1984
Sunniest day
14.0 h
1 June 1940
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 | 6.3 °C | +4.7 °C | 17 mm | -21 mm |
| Feb | 2.1 °C | -1.1 °C | 76 mm | +32 mm |
| Mar | 13.5 °C | +6.0 °C | 45 mm | -15 mm |
| Apr | 18.0 °C | +4.0 °C | 52 mm | -14 mm |
| May | 23.7 °C | +4.8 °C | 25 mm | -41 mm |
| Jun | 24.6 °C | +1.7 °C | 15 mm | -11 mm |
| Jul | 27.6 °C | +2.2 °C | 6 mm | -5 mm |
| Aug | 29.3 °C | +3.6 °C | 6 mm | -7 mm |
| Sep | 22.4 °C | -0.2 °C | 41 mm | +18 mm |
| Oct | 21.0 °C | +4.0 °C | 26 mm | -25 mm |
| Nov | 16.4 °C | +6.4 °C | 2 mm | -45 mm |
| Dec | 6.9 °C | +2.9 °C | 65 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 Ardabil?
Ardabil has a warm-summer mediterranean continental climate (Köppen Dsb). Over 1940-2025, the average annual temperature is 8.3 °C and it receives 480 mm of precipitation per year.
What is the hottest day ever recorded in Ardabil?
The hottest day measured in Ardabil between 1940 and 2025 was 16 August 2015, reaching 37.1 °C.
What is the coldest day in Ardabil?
The coldest day measured in Ardabil between 1940 and 2025 was 13 January 1940, at -31.5 °C.
Does it snow in Ardabil?
Yes. Ardabil gets on average 141.3 cm of snow per year and has around 130 frost days.
Has the climate of Ardabil warmed?
Yes: Ardabil warmed by +3.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Ardabil?
The wettest day measured in Ardabil between 1940 and 2025 was 5 November 1994, with 49 mm of rain in 24 hours.
What was the windiest day in Ardabil?
The windiest day measured in Ardabil between 1940 and 2025 was 17 March 2014, with winds reaching 44.4 km/h.
What is the warmest month in Ardabil?
The warmest month in Ardabil is July (18.8 °C on average); the coldest is January (-3.8 °C).
How much does it rain in Ardabil?
Ardabil receives on average 480 mm of precipitation per year, spread over about 100 rainy days.
Is it sunny in Ardabil?
Ardabil gets on average 10.0 hours of sunshine per day, roughly 3,650 hours per year over 1940-2025.
What is the biggest single-day snowfall in Ardabil?
The heaviest 24-hour snowfall measured in Ardabil between 1940 and 2025 was 19 October 1984, with 27.4 cm.
Are there tropical nights in Ardabil?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Ardabil.
What was the most extreme apparent temperature in Ardabil?
In Ardabil, between 1940 and 2025, the highest apparent temperature reached 37.1 °C on 11 July 2018, and the lowest was -36.2 °C on 13 January 1940.
Compare Ardabil with another city
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Nearby cities
The climate around Ardabil