Chamrān climate — normals and trends
Chamrān (Iran) has a hot semi-arid climate (BSh) under the Köppen-Geiger classification. Its mean annual temperature is 25.9 °C and it receives 290 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 (38.1 °C on average) and the coldest is January (12.4 °C). Rainfall peaks in December.
Chamrān averages 0 frost days, 214 hot days (≥ 30 °C) and 32 rainy days per year.
Chamrān has warmed by +2.2 °C between 1940 and 2025, or +0.26 °C per decade. This trend is statistically significant.
The hottest day of the period reached 52.0 °C (on 11 July 2017) and the coldest -4.9 °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
ChamrānKhuzestan
- coords
- 30.71°, 49.16°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.9°C
Average daily high
33.0°C
Average daily low
19.3°C
Annual rainfall
290mm
Sunshine / day
11.0h
Mean relative humidity
43%
Average peak wind
19.9km/h
Seasonal range
25.7°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
214 d/yr
Rainy days (≥ 1 mm)
32 d/yr
Annual snowfall
0.0 cm
Average feels-like high
31.2 °C
Average feels-like low
17.5 °C
Average peak gust
32.8 km/h
Tropical nights (≥ 20 °C)
184 d/yr
Solar radiation
20.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.2 °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
52.0 °C
11 July 2017
Coldest day
-4.9 °C
20 January 1964
Wettest day
106 mm
7 November 1994
Windiest day
60.0 km/h
11 December 1980
Strongest gust
95.4 km/h
27 January 2017
Hottest feels-like
54.0 °C
30 July 2020
Coldest feels-like
-10.4 °C
20 January 1964
Sunniest day
13.1 h
25 June 2025
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 | 21.6 °C | +3.9 °C | 13 mm | -46 mm |
| Feb | 21.3 °C | +1.0 °C | 16 mm | -21 mm |
| Mar | 27.2 °C | +1.7 °C | 64 mm | +27 mm |
| Apr | 36.6 °C | +4.3 °C | 2 mm | -14 mm |
| May | 44.3 °C | +4.6 °C | 0 mm | -5 mm |
| Jun | 46.1 °C | +1.5 °C | 0 mm | -0 mm |
| Jul | 47.8 °C | +1.6 °C | 0 mm | -0 mm |
| Aug | 47.5 °C | +1.9 °C | 3 mm | +2 mm |
| Sep | 43.7 °C | +1.4 °C | 0 mm | -1 mm |
| Oct | 38.2 °C | +2.4 °C | 0 mm | -7 mm |
| Nov | 30.3 °C | +4.0 °C | 1 mm | -58 mm |
| Dec | 21.1 °C | +1.7 °C | 137 mm | +68 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 Chamrān?
Chamrān has a hot semi-arid climate (Köppen BSh). Over 1940-2025, the average annual temperature is 25.9 °C and it receives 290 mm of precipitation per year.
What is the hottest day ever recorded in Chamrān?
The hottest day measured in Chamrān between 1940 and 2025 was 11 July 2017, reaching 52.0 °C.
What is the coldest day in Chamrān?
The coldest day measured in Chamrān between 1940 and 2025 was 20 January 1964, at -4.9 °C.
Does it snow in Chamrān?
Almost never: Chamrān sees virtually no snow, with about 0 frost days per year.
Has the climate of Chamrān warmed?
Yes: Chamrān warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Chamrān?
The wettest day measured in Chamrān between 1940 and 2025 was 7 November 1994, with 106 mm of rain in 24 hours.
What was the windiest day in Chamrān?
The windiest day measured in Chamrān between 1940 and 2025 was 11 December 1980, with winds reaching 60.0 km/h.
What is the warmest month in Chamrān?
The warmest month in Chamrān is July (38.1 °C on average); the coldest is January (12.4 °C).
How much does it rain in Chamrān?
Chamrān receives on average 290 mm of precipitation per year, spread over about 32 rainy days.
Is it sunny in Chamrān?
Chamrān gets on average 11.0 hours of sunshine per day, roughly 4,015 hours per year over 1940-2025.
Are there tropical nights in Chamrān?
Yes: Chamrān has on average 184 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Chamrān?
In Chamrān, between 1940 and 2025, the highest apparent temperature reached 54.0 °C on 30 July 2020, and the lowest was -10.4 °C on 20 January 1964.
Compare Chamrān with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Chamrān