Chamgordān climate — normals and trends
Chamgordān (Iran) has a cold desert climate (BWk) under the Köppen-Geiger classification. Its mean annual temperature is 14.0 °C and it receives 121 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 (28.0 °C on average) and the coldest is January (-1.2 °C). Rainfall peaks in March.
Chamgordān averages 107 frost days, 104 hot days (≥ 30 °C) and 26 rainy days per year.
Chamgordān has warmed by +2.7 °C between 1940 and 2025, or +0.31 °C per decade. This trend is statistically significant.
The number of frost days there went from about 123 to 91 per year over the period.
The hottest day of the period reached 40.9 °C (on 6 August 2024) and the coldest -29.2 °C (on 20 January 1964).
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
ChamgordānIsfahan
- coords
- 32.39°, 51.34°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
14.0°C
Average daily high
21.1°C
Average daily low
6.7°C
Annual rainfall
121mm
Sunshine / day
11.1h
Mean relative humidity
38%
Average peak wind
15.7km/h
Seasonal range
29.2°C
Frost days (< 0 °C)
107 d/yr
Hot days (≥ 30 °C)
104 d/yr
Rainy days (≥ 1 mm)
26 d/yr
Annual snowfall
22.8 cm
Average feels-like high
17.9 °C
Average feels-like low
3.1 °C
Average peak gust
33.5 km/h
Tropical nights (≥ 20 °C)
32 d/yr
Solar radiation
21.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.7 °C
since 1940
+0.3 °C per decade · r² = 0.44 · 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
40.9 °C
6 August 2024
Coldest day
-29.2 °C
20 January 1964
Wettest day
58 mm
9 February 2006
Windiest day
47.3 km/h
6 May 1972
Strongest gust
97.2 km/h
6 May 1972
Hottest feels-like
39.3 °C
10 July 1991
Coldest feels-like
-34.9 °C
20 January 1964
Snowiest day
17.1 cm
20 December 1986
Sunniest day
13.2 h
24 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 | 9.1 °C | +3.0 °C | 24 mm | +5 mm |
| Feb | 11.4 °C | +2.2 °C | 4 mm | -14 mm |
| Mar | 17.2 °C | +2.9 °C | 29 mm | +8 mm |
| Apr | 25.1 °C | +4.9 °C | 7 mm | -8 mm |
| May | 31.5 °C | +5.2 °C | 5 mm | -5 mm |
| Jun | 34.8 °C | +2.4 °C | 1 mm | -1 mm |
| Jul | 36.9 °C | +2.3 °C | 0 mm | -0 mm |
| Aug | 35.2 °C | +1.9 °C | 0 mm | -0 mm |
| Sep | 32.4 °C | +2.6 °C | 0 mm | -0 mm |
| Oct | 27.1 °C | +4.1 °C | 0 mm | -4 mm |
| Nov | 18.8 °C | +3.8 °C | 0 mm | -15 mm |
| Dec | 9.5 °C | +0.7 °C | 57 mm | +39 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 Chamgordān?
Chamgordān has a cold desert climate (Köppen BWk). Over 1940-2025, the average annual temperature is 14.0 °C and it receives 121 mm of precipitation per year.
What is the hottest day ever recorded in Chamgordān?
The hottest day measured in Chamgordān between 1940 and 2025 was 6 August 2024, reaching 40.9 °C.
What is the coldest day in Chamgordān?
The coldest day measured in Chamgordān between 1940 and 2025 was 20 January 1964, at -29.2 °C.
Does it snow in Chamgordān?
Yes. Chamgordān gets on average 22.8 cm of snow per year and has around 107 frost days.
Has the climate of Chamgordān warmed?
Yes: Chamgordān warmed by +2.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Chamgordān?
The wettest day measured in Chamgordān between 1940 and 2025 was 9 February 2006, with 58 mm of rain in 24 hours.
What was the windiest day in Chamgordān?
The windiest day measured in Chamgordān between 1940 and 2025 was 6 May 1972, with winds reaching 47.3 km/h.
What is the warmest month in Chamgordān?
The warmest month in Chamgordān is July (28.0 °C on average); the coldest is January (-1.2 °C).
How much does it rain in Chamgordān?
Chamgordān receives on average 121 mm of precipitation per year, spread over about 26 rainy days.
Is it sunny in Chamgordān?
Chamgordān gets on average 11.1 hours of sunshine per day, roughly 4,052 hours per year over 1940-2025.
What is the biggest single-day snowfall in Chamgordān?
The heaviest 24-hour snowfall measured in Chamgordān between 1940 and 2025 was 20 December 1986, with 17.1 cm.
Are there tropical nights in Chamgordān?
Yes: Chamgordān has on average 32 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Chamgordān?
In Chamgordān, between 1940 and 2025, the highest apparent temperature reached 39.3 °C on 10 July 1991, and the lowest was -34.9 °C on 20 January 1964.
Compare Chamgordān with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Chamgordān