Dīvāndarreh climate — normals and trends
Dīvāndarreh (Iran) has a hot-summer mediterranean continental climate (Dsa) under the Köppen-Geiger classification. Its mean annual temperature is 9.2 °C and it receives 361 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 (23.6 °C on average) and the coldest is January (-5.6 °C). Rainfall peaks in April.
Dīvāndarreh averages 139 frost days, 56 hot days (≥ 30 °C) and 73 rainy days per year.
Dīvāndarreh has warmed by +3.9 °C between 1940 and 2025, or +0.45 °C per decade. This trend is statistically significant.
The number of frost days there went from about 160 to 118 per year over the period.
The hottest day of the period reached 38.8 °C (on 27 July 2018) and the coldest -27.6 °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
DīvāndarrehKurdistan Province
- coords
- 35.91°, 47.02°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
9.2°C
Average daily high
15.8°C
Average daily low
3.0°C
Annual rainfall
361mm
Sunshine / day
11.0h
Mean relative humidity
56%
Average peak wind
17.4km/h
Seasonal range
29.2°C
Frost days (< 0 °C)
139 d/yr
Hot days (≥ 30 °C)
56 d/yr
Rainy days (≥ 1 mm)
73 d/yr
Annual snowfall
107.5 cm
Average feels-like high
12.5 °C
Average feels-like low
-0.3 °C
Average peak gust
36.0 km/h
Tropical nights (≥ 20 °C)
2 d/yr
Solar radiation
19.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+3.9 °C
since 1940
+0.5 °C per decade · r² = 0.55 · 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
38.8 °C
27 July 2018
Coldest day
-27.6 °C
13 January 1940
Wettest day
42 mm
3 February 2006
Windiest day
46.9 km/h
7 May 2003
Strongest gust
101.2 km/h
14 March 2009
Hottest feels-like
37.2 °C
12 July 2010
Coldest feels-like
-32.2 °C
13 January 1940
Snowiest day
25.6 cm
5 December 2013
Sunniest day
14.0 h
30 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 | 4.1 °C | +5.0 °C | 15 mm | -23 mm |
| Feb | 0.5 °C | -0.3 °C | 34 mm | -9 mm |
| Mar | 11.9 °C | +5.4 °C | 59 mm | -0 mm |
| Apr | 17.4 °C | +3.4 °C | 45 mm | -21 mm |
| May | 24.6 °C | +4.5 °C | 32 mm | -11 mm |
| Jun | 29.3 °C | +2.0 °C | 4 mm | -3 mm |
| Jul | 32.8 °C | +1.1 °C | 0 mm | -2 mm |
| Aug | 34.7 °C | +3.5 °C | 0 mm | -1 mm |
| Sep | 27.3 °C | +0.7 °C | 0 mm | -3 mm |
| Oct | 22.5 °C | +3.5 °C | 1 mm | -22 mm |
| Nov | 15.3 °C | +5.0 °C | 12 mm | -26 mm |
| Dec | 4.5 °C | +1.6 °C | 92 mm | +55 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 Dīvāndarreh?
Dīvāndarreh has a hot-summer mediterranean continental climate (Köppen Dsa). Over 1940-2025, the average annual temperature is 9.2 °C and it receives 361 mm of precipitation per year.
What is the hottest day ever recorded in Dīvāndarreh?
The hottest day measured in Dīvāndarreh between 1940 and 2025 was 27 July 2018, reaching 38.8 °C.
What is the coldest day in Dīvāndarreh?
The coldest day measured in Dīvāndarreh between 1940 and 2025 was 13 January 1940, at -27.6 °C.
Does it snow in Dīvāndarreh?
Yes. Dīvāndarreh gets on average 107.5 cm of snow per year and has around 139 frost days.
Has the climate of Dīvāndarreh warmed?
Yes: Dīvāndarreh warmed by +3.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Dīvāndarreh?
The wettest day measured in Dīvāndarreh between 1940 and 2025 was 3 February 2006, with 42 mm of rain in 24 hours.
What was the windiest day in Dīvāndarreh?
The windiest day measured in Dīvāndarreh between 1940 and 2025 was 7 May 2003, with winds reaching 46.9 km/h.
What is the warmest month in Dīvāndarreh?
The warmest month in Dīvāndarreh is July (23.6 °C on average); the coldest is January (-5.6 °C).
How much does it rain in Dīvāndarreh?
Dīvāndarreh receives on average 361 mm of precipitation per year, spread over about 73 rainy days.
Is it sunny in Dīvāndarreh?
Dīvāndarreh 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 Dīvāndarreh?
The heaviest 24-hour snowfall measured in Dīvāndarreh between 1940 and 2025 was 5 December 2013, with 25.6 cm.
Are there tropical nights in Dīvāndarreh?
Yes: Dīvāndarreh has on average 2 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Dīvāndarreh?
In Dīvāndarreh, between 1940 and 2025, the highest apparent temperature reached 37.2 °C on 12 July 2010, and the lowest was -32.2 °C on 13 January 1940.
Compare Dīvāndarreh with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Dīvāndarreh