Dāmghān climate — normals and trends
Dāmghān (Iran) has a cold semi-arid climate (BSk) under the Köppen-Geiger classification. Its mean annual temperature is 11.1 °C and it receives 311 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 (23.7 °C on average) and the coldest is January (-2.0 °C). Rainfall peaks in March.
Dāmghān averages 105 frost days, 32 hot days (≥ 30 °C) and 80 rainy days per year.
Dāmghān has warmed by +2.8 °C between 1940 and 2025, or +0.33 °C per decade. This trend is statistically significant.
The number of frost days there went from about 124 to 86 per year over the period.
The hottest day of the period reached 37.9 °C (on 27 July 2014) and the coldest -20.0 °C (on 13 January 2008).
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
DāmghānSemnan Province
- coords
- 36.17°, 54.34°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
11.1°C
Average daily high
16.0°C
Average daily low
6.4°C
Annual rainfall
311mm
Sunshine / day
10.8h
Mean relative humidity
59%
Average peak wind
10.7km/h
Seasonal range
25.7°C
Frost days (< 0 °C)
105 d/yr
Hot days (≥ 30 °C)
32 d/yr
Rainy days (≥ 1 mm)
80 d/yr
Annual snowfall
68.0 cm
Average feels-like high
14.2 °C
Average feels-like low
3.8 °C
Average peak gust
29.3 km/h
Tropical nights (≥ 20 °C)
16 d/yr
Solar radiation
18.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.8 °C
since 1940
+0.3 °C per decade · r² = 0.47 · 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
37.9 °C
27 July 2014
Coldest day
-20.0 °C
13 January 2008
Wettest day
47 mm
24 April 1995
Windiest day
31.6 km/h
15 April 1977
Strongest gust
81.4 km/h
14 March 2008
Hottest feels-like
35.7 °C
10 July 2010
Coldest feels-like
-25.4 °C
13 January 2008
Snowiest day
24.9 cm
3 February 1968
Sunniest day
13.5 h
3 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 | 5.3 °C | +3.4 °C | 18 mm | -5 mm |
| Feb | 4.3 °C | +0.7 °C | 18 mm | -11 mm |
| Mar | 12.9 °C | +4.3 °C | 32 mm | -13 mm |
| Apr | 21.4 °C | +5.8 °C | 24 mm | -20 mm |
| May | 26.8 °C | +5.5 °C | 8 mm | -33 mm |
| Jun | 27.4 °C | +0.6 °C | 12 mm | -7 mm |
| Jul | 31.1 °C | +1.7 °C | 13 mm | -1 mm |
| Aug | 30.2 °C | +1.9 °C | 15 mm | -1 mm |
| Sep | 26.3 °C | +1.6 °C | 6 mm | -7 mm |
| Oct | 22.1 °C | +4.1 °C | 2 mm | -22 mm |
| Nov | 15.1 °C | +4.9 °C | 3 mm | -20 mm |
| Dec | 6.4 °C | +2.2 °C | 18 mm | -5 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 Dāmghān?
Dāmghān has a cold semi-arid climate (Köppen BSk). Over 1940-2025, the average annual temperature is 11.1 °C and it receives 311 mm of precipitation per year.
What is the hottest day ever recorded in Dāmghān?
The hottest day measured in Dāmghān between 1940 and 2025 was 27 July 2014, reaching 37.9 °C.
What is the coldest day in Dāmghān?
The coldest day measured in Dāmghān between 1940 and 2025 was 13 January 2008, at -20.0 °C.
Does it snow in Dāmghān?
Yes. Dāmghān gets on average 68.0 cm of snow per year and has around 105 frost days.
Has the climate of Dāmghān warmed?
Yes: Dāmghān warmed by +2.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Dāmghān?
The wettest day measured in Dāmghān between 1940 and 2025 was 24 April 1995, with 47 mm of rain in 24 hours.
What was the windiest day in Dāmghān?
The windiest day measured in Dāmghān between 1940 and 2025 was 15 April 1977, with winds reaching 31.6 km/h.
What is the warmest month in Dāmghān?
The warmest month in Dāmghān is July (23.7 °C on average); the coldest is January (-2.0 °C).
How much does it rain in Dāmghān?
Dāmghān receives on average 311 mm of precipitation per year, spread over about 80 rainy days.
Is it sunny in Dāmghān?
Dāmghān 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 Dāmghān?
The heaviest 24-hour snowfall measured in Dāmghān between 1940 and 2025 was 3 February 1968, with 24.9 cm.
Are there tropical nights in Dāmghān?
Yes: Dāmghān has on average 16 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Dāmghān?
In Dāmghān, between 1940 and 2025, the highest apparent temperature reached 35.7 °C on 10 July 2010, and the lowest was -25.4 °C on 13 January 2008.
Compare Dāmghān with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Dāmghān