Sarvestān climate — normals and trends
Sarvestān (Iran) has a cold semi-arid climate (BSk) under the Köppen-Geiger classification. Its mean annual temperature is 17.6 °C and it receives 201 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 (29.5 °C on average) and the coldest is January (4.9 °C). Rainfall peaks in January.
Sarvestān averages 25 frost days, 121 hot days (≥ 30 °C) and 30 rainy days per year.
Sarvestān has warmed by +1.7 °C between 1940 and 2025, or +0.20 °C per decade. This trend is statistically significant.
The number of frost days there went from about 31 to 19 per year over the period.
The hottest day of the period reached 41.1 °C (on 28 July 2024) and the coldest -17.4 °C (on 9 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
SarvestānFars
- coords
- 29.27°, 53.22°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
17.6°C
Average daily high
23.1°C
Average daily low
11.8°C
Annual rainfall
201mm
Sunshine / day
11.1h
Mean relative humidity
36%
Average peak wind
10.7km/h
Seasonal range
24.6°C
Frost days (< 0 °C)
25 d/yr
Hot days (≥ 30 °C)
121 d/yr
Rainy days (≥ 1 mm)
30 d/yr
Annual snowfall
10.0 cm
Average feels-like high
20.9 °C
Average feels-like low
9.2 °C
Average peak gust
33.8 km/h
Tropical nights (≥ 20 °C)
87 d/yr
Solar radiation
21.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.7 °C
since 1940
+0.2 °C per decade · r² = 0.35 · 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
41.1 °C
28 July 2024
Coldest day
-17.4 °C
9 January 1949
Wettest day
69 mm
13 February 2017
Windiest day
28.7 km/h
31 March 1956
Strongest gust
96.8 km/h
16 March 2007
Hottest feels-like
40.5 °C
28 July 2024
Coldest feels-like
-21.8 °C
10 January 1949
Snowiest day
26.3 cm
11 January 1996
Sunniest day
13.0 h
28 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 | 11.9 °C | +1.9 °C | 14 mm | -34 mm |
| Feb | 12.1 °C | -0.2 °C | 52 mm | +16 mm |
| Mar | 17.1 °C | +0.8 °C | 54 mm | +18 mm |
| Apr | 27.4 °C | +5.5 °C | 3 mm | -14 mm |
| May | 33.1 °C | +4.7 °C | 0 mm | -5 mm |
| Jun | 35.8 °C | +2.1 °C | 0 mm | -0 mm |
| Jul | 37.0 °C | +1.9 °C | 2 mm | -1 mm |
| Aug | 36.0 °C | +2.1 °C | 0 mm | -2 mm |
| Sep | 33.6 °C | +2.9 °C | 0 mm | -0 mm |
| Oct | 27.5 °C | +2.6 °C | 0 mm | -2 mm |
| Nov | 20.7 °C | +3.0 °C | 0 mm | -14 mm |
| Dec | 12.7 °C | +0.4 °C | 104 mm | +67 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 Sarvestān?
Sarvestān has a cold semi-arid climate (Köppen BSk). Over 1940-2025, the average annual temperature is 17.6 °C and it receives 201 mm of precipitation per year.
What is the hottest day ever recorded in Sarvestān?
The hottest day measured in Sarvestān between 1940 and 2025 was 28 July 2024, reaching 41.1 °C.
What is the coldest day in Sarvestān?
The coldest day measured in Sarvestān between 1940 and 2025 was 9 January 1949, at -17.4 °C.
Does it snow in Sarvestān?
Yes. Sarvestān gets on average 10.0 cm of snow per year and has around 25 frost days.
Has the climate of Sarvestān warmed?
Yes: Sarvestān warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Sarvestān?
The wettest day measured in Sarvestān between 1940 and 2025 was 13 February 2017, with 69 mm of rain in 24 hours.
What was the windiest day in Sarvestān?
The windiest day measured in Sarvestān between 1940 and 2025 was 31 March 1956, with winds reaching 28.7 km/h.
What is the warmest month in Sarvestān?
The warmest month in Sarvestān is July (29.5 °C on average); the coldest is January (4.9 °C).
How much does it rain in Sarvestān?
Sarvestān receives on average 201 mm of precipitation per year, spread over about 30 rainy days.
Is it sunny in Sarvestān?
Sarvestān 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 Sarvestān?
The heaviest 24-hour snowfall measured in Sarvestān between 1940 and 2025 was 11 January 1996, with 26.3 cm.
Are there tropical nights in Sarvestān?
Yes: Sarvestān has on average 87 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Sarvestān?
In Sarvestān, between 1940 and 2025, the highest apparent temperature reached 40.5 °C on 28 July 2024, and the lowest was -21.8 °C on 10 January 1949.
Compare Sarvestān with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Sarvestān