Zahedan climate — normals and trends
Zahedan (Iran) has a hot desert climate (BWh) under the Köppen-Geiger classification. Its mean annual temperature is 18.4 °C and it receives 99 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 (29.1 °C on average) and the coldest is January (6.4 °C). Rainfall peaks in January.
Zahedan averages 29 frost days, 136 hot days (≥ 30 °C) and 22 rainy days per year.
Zahedan has warmed by +2.1 °C between 1940 and 2025, or +0.25 °C per decade. This trend is statistically significant.
The number of frost days there went from about 33 to 25 per year over the period.
The hottest day of the period reached 41.8 °C (on 15 August 2024) and the coldest -13.3 °C (on 9 January 1973).
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
ZahedanSistan and Baluchestan
- coords
- 29.50°, 60.86°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
18.4°C
Average daily high
24.8°C
Average daily low
12.1°C
Annual rainfall
99mm
Sunshine / day
11.4h
Mean relative humidity
32%
Average peak wind
17.5km/h
Seasonal range
22.7°C
Frost days (< 0 °C)
29 d/yr
Hot days (≥ 30 °C)
136 d/yr
Rainy days (≥ 1 mm)
22 d/yr
Annual snowfall
3.4 cm
Average feels-like high
21.7 °C
Average feels-like low
8.7 °C
Average peak gust
39.5 km/h
Tropical nights (≥ 20 °C)
79 d/yr
Solar radiation
22.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.1 °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
41.8 °C
15 August 2024
Coldest day
-13.3 °C
9 January 1973
Wettest day
55 mm
25 January 1975
Windiest day
65.1 km/h
24 March 1969
Strongest gust
133.2 km/h
4 April 2002
Hottest feels-like
41.6 °C
2 July 2023
Coldest feels-like
-18.9 °C
9 January 1973
Snowiest day
11.1 cm
7 January 2014
Sunniest day
13.9 h
20 June 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 | 12.2 °C | -0.3 °C | 20 mm | -4 mm |
| Feb | 16.8 °C | +1.7 °C | 14 mm | -6 mm |
| Mar | 21.8 °C | +1.9 °C | 4 mm | -15 mm |
| Apr | 31.3 °C | +5.7 °C | 1 mm | -10 mm |
| May | 34.5 °C | +3.7 °C | 0 mm | -3 mm |
| Jun | 35.2 °C | +0.8 °C | 1 mm | +0 mm |
| Jul | 37.5 °C | +2.2 °C | 0 mm | -1 mm |
| Aug | 35.8 °C | +2.0 °C | 0 mm | -0 mm |
| Sep | 33.7 °C | +3.2 °C | 0 mm | -0 mm |
| Oct | 28.3 °C | +2.7 °C | 0 mm | -2 mm |
| Nov | 20.6 °C | +1.3 °C | 0 mm | -5 mm |
| Dec | 16.5 °C | +2.0 °C | 25 mm | +11 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 Zahedan?
Zahedan has a hot desert climate (Köppen BWh). Over 1940-2025, the average annual temperature is 18.4 °C and it receives 99 mm of precipitation per year.
What is the hottest day ever recorded in Zahedan?
The hottest day measured in Zahedan between 1940 and 2025 was 15 August 2024, reaching 41.8 °C.
What is the coldest day in Zahedan?
The coldest day measured in Zahedan between 1940 and 2025 was 9 January 1973, at -13.3 °C.
Does it snow in Zahedan?
Yes. Zahedan gets on average 3.4 cm of snow per year and has around 29 frost days.
Has the climate of Zahedan warmed?
Yes: Zahedan warmed by +2.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Zahedan?
The wettest day measured in Zahedan between 1940 and 2025 was 25 January 1975, with 55 mm of rain in 24 hours.
What was the windiest day in Zahedan?
The windiest day measured in Zahedan between 1940 and 2025 was 24 March 1969, with winds reaching 65.1 km/h.
What is the warmest month in Zahedan?
The warmest month in Zahedan is July (29.1 °C on average); the coldest is January (6.4 °C).
How much does it rain in Zahedan?
Zahedan receives on average 99 mm of precipitation per year, spread over about 22 rainy days.
Is it sunny in Zahedan?
Zahedan gets on average 11.4 hours of sunshine per day, roughly 4,161 hours per year over 1940-2025.
What is the biggest single-day snowfall in Zahedan?
The heaviest 24-hour snowfall measured in Zahedan between 1940 and 2025 was 7 January 2014, with 11.1 cm.
Are there tropical nights in Zahedan?
Yes: Zahedan has on average 79 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Zahedan?
In Zahedan, between 1940 and 2025, the highest apparent temperature reached 41.6 °C on 2 July 2023, and the lowest was -18.9 °C on 9 January 1973.
Compare Zahedan with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Zahedan