Shahr-e Ṣadrā climate — normals and trends
Shahr-e Ṣadrā (Iran) has a cold semi-arid climate (BSk) under the Köppen-Geiger classification. Its mean annual temperature is 15.7 °C and it receives 289 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 (3.1 °C). Rainfall peaks in January.
Shahr-e Ṣadrā averages 67 frost days, 125 hot days (≥ 30 °C) and 34 rainy days per year.
Shahr-e Ṣadrā has warmed by +1.8 °C between 1940 and 2025, or +0.21 °C per decade. This trend is statistically significant.
The number of frost days there went from about 75 to 59 per year over the period.
The hottest day of the period reached 42.3 °C (on 29 July 2024) and the coldest -17.4 °C (on 8 February 1950).
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
Shahr-e ṢadrāFars
- coords
- 29.80°, 52.50°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
15.7°C
Average daily high
23.4°C
Average daily low
8.3°C
Annual rainfall
289mm
Sunshine / day
11.1h
Mean relative humidity
42%
Average peak wind
11.9km/h
Seasonal range
24.9°C
Frost days (< 0 °C)
67 d/yr
Hot days (≥ 30 °C)
125 d/yr
Rainy days (≥ 1 mm)
34 d/yr
Annual snowfall
20.9 cm
Average feels-like high
21.3 °C
Average feels-like low
5.3 °C
Average peak gust
31.5 km/h
Tropical nights (≥ 20 °C)
18 d/yr
Solar radiation
21.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.8 °C
since 1940
+0.2 °C per decade · r² = 0.31 · 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
42.3 °C
29 July 2024
Coldest day
-17.4 °C
8 February 1950
Wettest day
99 mm
2 December 1986
Windiest day
31.6 km/h
23 March 1941
Strongest gust
86.0 km/h
27 March 1979
Hottest feels-like
41.2 °C
6 July 2024
Coldest feels-like
-22.8 °C
8 February 1950
Snowiest day
26.7 cm
16 January 1959
Sunniest day
13.0 h
23 April 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 | 12.5 °C | +2.6 °C | 16 mm | -56 mm |
| Feb | 12.4 °C | +0.1 °C | 70 mm | +18 mm |
| Mar | 17.1 °C | +0.9 °C | 84 mm | +32 mm |
| Apr | 27.2 °C | +5.6 °C | 4 mm | -18 mm |
| May | 33.6 °C | +5.4 °C | 0 mm | -6 mm |
| Jun | 36.6 °C | +2.6 °C | 0 mm | -0 mm |
| Jul | 37.8 °C | +2.0 °C | 3 mm | +2 mm |
| Aug | 37.1 °C | +2.4 °C | 0 mm | -1 mm |
| Sep | 34.4 °C | +3.0 °C | 0 mm | -0 mm |
| Oct | 28.5 °C | +3.1 °C | 0 mm | -3 mm |
| Nov | 21.6 °C | +3.4 °C | 0 mm | -24 mm |
| Dec | 12.8 °C | +0.2 °C | 116 mm | +60 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 Shahr-e Ṣadrā?
Shahr-e Ṣadrā has a cold semi-arid climate (Köppen BSk). Over 1940-2025, the average annual temperature is 15.7 °C and it receives 289 mm of precipitation per year.
What is the hottest day ever recorded in Shahr-e Ṣadrā?
The hottest day measured in Shahr-e Ṣadrā between 1940 and 2025 was 29 July 2024, reaching 42.3 °C.
What is the coldest day in Shahr-e Ṣadrā?
The coldest day measured in Shahr-e Ṣadrā between 1940 and 2025 was 8 February 1950, at -17.4 °C.
Does it snow in Shahr-e Ṣadrā?
Yes. Shahr-e Ṣadrā gets on average 20.9 cm of snow per year and has around 67 frost days.
Has the climate of Shahr-e Ṣadrā warmed?
Yes: Shahr-e Ṣadrā warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Shahr-e Ṣadrā?
The wettest day measured in Shahr-e Ṣadrā between 1940 and 2025 was 2 December 1986, with 99 mm of rain in 24 hours.
What was the windiest day in Shahr-e Ṣadrā?
The windiest day measured in Shahr-e Ṣadrā between 1940 and 2025 was 23 March 1941, with winds reaching 31.6 km/h.
What is the warmest month in Shahr-e Ṣadrā?
The warmest month in Shahr-e Ṣadrā is July (28.0 °C on average); the coldest is January (3.1 °C).
How much does it rain in Shahr-e Ṣadrā?
Shahr-e Ṣadrā receives on average 289 mm of precipitation per year, spread over about 34 rainy days.
Is it sunny in Shahr-e Ṣadrā?
Shahr-e Ṣadrā 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 Shahr-e Ṣadrā?
The heaviest 24-hour snowfall measured in Shahr-e Ṣadrā between 1940 and 2025 was 16 January 1959, with 26.7 cm.
Are there tropical nights in Shahr-e Ṣadrā?
Yes: Shahr-e Ṣadrā has on average 18 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Shahr-e Ṣadrā?
In Shahr-e Ṣadrā, between 1940 and 2025, the highest apparent temperature reached 41.2 °C on 6 July 2024, and the lowest was -22.8 °C on 8 February 1950.
Compare Shahr-e Ṣadrā with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Shahr-e Ṣadrā