Māhān climate — normals and trends
Māhān (Iran) has a cold semi-arid climate (BSk) under the Köppen-Geiger classification. Its mean annual temperature is 13.2 °C and it receives 164 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 (24.0 °C on average) and the coldest is January (1.5 °C). Rainfall peaks in March.
Māhān averages 84 frost days, 34 hot days (≥ 30 °C) and 39 rainy days per year.
Māhān has warmed by +1.8 °C between 1940 and 2025, or +0.22 °C per decade. This trend is statistically significant.
The number of frost days there went from about 97 to 71 per year over the period.
The hottest day of the period reached 36.1 °C (on 1 July 1953) and the coldest -21.3 °C (on 15 January 1996).
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
MāhānKerman
- coords
- 30.06°, 57.29°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
13.2°C
Average daily high
19.1°C
Average daily low
7.2°C
Annual rainfall
164mm
Sunshine / day
11.3h
Mean relative humidity
35%
Average peak wind
12.3km/h
Seasonal range
22.5°C
Frost days (< 0 °C)
84 d/yr
Hot days (≥ 30 °C)
34 d/yr
Rainy days (≥ 1 mm)
39 d/yr
Annual snowfall
26.7 cm
Average feels-like high
16.2 °C
Average feels-like low
3.8 °C
Average peak gust
38.1 km/h
Tropical nights (≥ 20 °C)
9 d/yr
Solar radiation
22.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.8 °C
since 1940
+0.2 °C per decade · r² = 0.38 · 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
36.1 °C
1 July 1953
Coldest day
-21.3 °C
15 January 1996
Wettest day
41 mm
18 July 1956
Windiest day
36.9 km/h
23 May 1991
Strongest gust
122.4 km/h
9 March 1988
Hottest feels-like
35.6 °C
1 July 1953
Coldest feels-like
-25.9 °C
15 January 1996
Snowiest day
23.1 cm
19 December 2025
Sunniest day
13.5 h
3 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 | 6.2 °C | -1.1 °C | 32 mm | +6 mm |
| Feb | 10.0 °C | +0.7 °C | 33 mm | +5 mm |
| Mar | 14.4 °C | +1.0 °C | 27 mm | -3 mm |
| Apr | 24.1 °C | +5.7 °C | 4 mm | -21 mm |
| May | 28.5 °C | +4.4 °C | 1 mm | -13 mm |
| Jun | 30.4 °C | +1.4 °C | 2 mm | +0 mm |
| Jul | 31.5 °C | +1.8 °C | 0 mm | -4 mm |
| Aug | 29.6 °C | +1.5 °C | 0 mm | -1 mm |
| Sep | 28.7 °C | +3.2 °C | 0 mm | -1 mm |
| Oct | 23.5 °C | +3.1 °C | 0 mm | -4 mm |
| Nov | 16.6 °C | +2.3 °C | 0 mm | -9 mm |
| Dec | 10.3 °C | +0.6 °C | 66 mm | +47 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 Māhān?
Māhān has a cold semi-arid climate (Köppen BSk). Over 1940-2025, the average annual temperature is 13.2 °C and it receives 164 mm of precipitation per year.
What is the hottest day ever recorded in Māhān?
The hottest day measured in Māhān between 1940 and 2025 was 1 July 1953, reaching 36.1 °C.
What is the coldest day in Māhān?
The coldest day measured in Māhān between 1940 and 2025 was 15 January 1996, at -21.3 °C.
Does it snow in Māhān?
Yes. Māhān gets on average 26.7 cm of snow per year and has around 84 frost days.
Has the climate of Māhān warmed?
Yes: Māhān warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Māhān?
The wettest day measured in Māhān between 1940 and 2025 was 18 July 1956, with 41 mm of rain in 24 hours.
What was the windiest day in Māhān?
The windiest day measured in Māhān between 1940 and 2025 was 23 May 1991, with winds reaching 36.9 km/h.
What is the warmest month in Māhān?
The warmest month in Māhān is July (24.0 °C on average); the coldest is January (1.5 °C).
How much does it rain in Māhān?
Māhān receives on average 164 mm of precipitation per year, spread over about 39 rainy days.
Is it sunny in Māhān?
Māhān gets on average 11.3 hours of sunshine per day, roughly 4,125 hours per year over 1940-2025.
What is the biggest single-day snowfall in Māhān?
The heaviest 24-hour snowfall measured in Māhān between 1940 and 2025 was 19 December 2025, with 23.1 cm.
Are there tropical nights in Māhān?
Yes: Māhān has on average 9 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Māhān?
In Māhān, between 1940 and 2025, the highest apparent temperature reached 35.6 °C on 1 July 1953, and the lowest was -25.9 °C on 15 January 1996.
Compare Māhān with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Māhān