Iranshahr climate — normals and trends
Iranshahr (Iran) has a hot desert climate (BWh) under the Köppen-Geiger classification. Its mean annual temperature is 24.9 °C and it receives 91 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 (34.6 °C on average) and the coldest is January (13.0 °C). Rainfall peaks in January.
Iranshahr averages 2 frost days, 213 hot days (≥ 30 °C) and 14 rainy days per year.
Iranshahr has warmed by +2.7 °C between 1940 and 2025, or +0.32 °C per decade. This trend is statistically significant.
The number of frost days there went from about 3 to 1 per year over the period.
The hottest day of the period reached 46.8 °C (on 29 June 1983) and the coldest -6.1 °C (on 10 January 1949).
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
IranshahrSistan and Baluchestan
- coords
- 27.20°, 60.68°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
24.9°C
Average daily high
31.5°C
Average daily low
17.7°C
Annual rainfall
91mm
Sunshine / day
11.3h
Mean relative humidity
30%
Average peak wind
16.6km/h
Seasonal range
21.6°C
Frost days (< 0 °C)
2 d/yr
Hot days (≥ 30 °C)
213 d/yr
Rainy days (≥ 1 mm)
14 d/yr
Annual snowfall
0.0 cm
Average feels-like high
29.5 °C
Average feels-like low
15.4 °C
Average peak gust
31.0 km/h
Tropical nights (≥ 20 °C)
162 d/yr
Solar radiation
22.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.7 °C
since 1940
+0.3 °C per decade · r² = 0.66 · 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
46.8 °C
29 June 1983
Coldest day
-6.1 °C
10 January 1949
Wettest day
63 mm
29 March 1982
Windiest day
48.2 km/h
1 March 2019
Strongest gust
85.3 km/h
1 March 2019
Hottest feels-like
47.1 °C
17 July 2024
Coldest feels-like
-11.4 °C
10 January 1949
Snowiest day
0.3 cm
3 January 1973
Sunniest day
13.4 h
10 June 1946
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 | 20.4 °C | +1.2 °C | 16 mm | -10 mm |
| Feb | 23.7 °C | +1.9 °C | 7 mm | -13 mm |
| Mar | 28.8 °C | +2.3 °C | 0 mm | -19 mm |
| Apr | 37.4 °C | +5.1 °C | 0 mm | -5 mm |
| May | 41.5 °C | +3.7 °C | 0 mm | -1 mm |
| Jun | 42.7 °C | +1.3 °C | 0 mm | -1 mm |
| Jul | 42.9 °C | +1.7 °C | 2 mm | -1 mm |
| Aug | 42.1 °C | +2.0 °C | 0 mm | -1 mm |
| Sep | 40.0 °C | +2.5 °C | 0 mm | -0 mm |
| Oct | 34.8 °C | +2.0 °C | 0 mm | -1 mm |
| Nov | 27.9 °C | +1.4 °C | 0 mm | -3 mm |
| Dec | 22.9 °C | +1.6 °C | 19 mm | +6 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 Iranshahr?
Iranshahr has a hot desert climate (Köppen BWh). Over 1940-2025, the average annual temperature is 24.9 °C and it receives 91 mm of precipitation per year.
What is the hottest day ever recorded in Iranshahr?
The hottest day measured in Iranshahr between 1940 and 2025 was 29 June 1983, reaching 46.8 °C.
What is the coldest day in Iranshahr?
The coldest day measured in Iranshahr between 1940 and 2025 was 10 January 1949, at -6.1 °C.
Does it snow in Iranshahr?
Almost never: Iranshahr sees virtually no snow, with about 2 frost days per year.
Has the climate of Iranshahr warmed?
Yes: Iranshahr warmed by +2.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Iranshahr?
The wettest day measured in Iranshahr between 1940 and 2025 was 29 March 1982, with 63 mm of rain in 24 hours.
What was the windiest day in Iranshahr?
The windiest day measured in Iranshahr between 1940 and 2025 was 1 March 2019, with winds reaching 48.2 km/h.
What is the warmest month in Iranshahr?
The warmest month in Iranshahr is July (34.6 °C on average); the coldest is January (13.0 °C).
How much does it rain in Iranshahr?
Iranshahr receives on average 91 mm of precipitation per year, spread over about 14 rainy days.
Is it sunny in Iranshahr?
Iranshahr 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 Iranshahr?
The heaviest 24-hour snowfall measured in Iranshahr between 1940 and 2025 was 3 January 1973, with 0.3 cm.
Are there tropical nights in Iranshahr?
Yes: Iranshahr has on average 162 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Iranshahr?
In Iranshahr, between 1940 and 2025, the highest apparent temperature reached 47.1 °C on 17 July 2024, and the lowest was -11.4 °C on 10 January 1949.
Compare Iranshahr with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Iranshahr