Dīzīcheh climate — normals and trends
Dīzīcheh (Iran) has a cold desert climate (BWk) under the Köppen-Geiger classification. Its mean annual temperature is 15.3 °C and it receives 100 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 (0.6 °C). Rainfall peaks in March.
Dīzīcheh averages 96 frost days, 120 hot days (≥ 30 °C) and 23 rainy days per year.
Dīzīcheh has warmed by +2.6 °C between 1940 and 2025, or +0.30 °C per decade. This trend is statistically significant.
The number of frost days there went from about 114 to 78 per year over the period.
The hottest day of the period reached 42.5 °C (on 3 July 2025) and the coldest -25.4 °C (on 25 February 1972).
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
DīzīchehIsfahan
- coords
- 32.39°, 51.51°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
15.3°C
Average daily high
22.5°C
Average daily low
7.8°C
Annual rainfall
100mm
Sunshine / day
11.1h
Mean relative humidity
36%
Average peak wind
14.8km/h
Seasonal range
28.5°C
Frost days (< 0 °C)
96 d/yr
Hot days (≥ 30 °C)
120 d/yr
Rainy days (≥ 1 mm)
23 d/yr
Annual snowfall
14.3 cm
Average feels-like high
19.6 °C
Average feels-like low
4.4 °C
Average peak gust
31.7 km/h
Tropical nights (≥ 20 °C)
43 d/yr
Solar radiation
21.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.6 °C
since 1940
+0.3 °C per decade · r² = 0.49 · 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
42.5 °C
3 July 2025
Coldest day
-25.4 °C
25 February 1972
Wettest day
36 mm
9 February 2006
Windiest day
45.6 km/h
3 April 2005
Strongest gust
102.2 km/h
26 March 2003
Hottest feels-like
40.9 °C
1 August 2024
Coldest feels-like
-30.4 °C
25 February 1972
Snowiest day
15.3 cm
29 January 1972
Sunniest day
13.1 h
19 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 | 9.8 °C | +2.0 °C | 17 mm | +2 mm |
| Feb | 12.8 °C | +1.8 °C | 3 mm | -11 mm |
| Mar | 18.6 °C | +2.5 °C | 22 mm | +5 mm |
| Apr | 26.8 °C | +4.8 °C | 7 mm | -7 mm |
| May | 32.9 °C | +5.0 °C | 2 mm | -6 mm |
| Jun | 36.0 °C | +2.2 °C | 0 mm | -1 mm |
| Jul | 38.1 °C | +2.1 °C | 0 mm | -0 mm |
| Aug | 36.4 °C | +1.8 °C | 0 mm | -0 mm |
| Sep | 33.5 °C | +2.5 °C | 0 mm | -0 mm |
| Oct | 28.1 °C | +3.9 °C | 0 mm | -3 mm |
| Nov | 19.7 °C | +3.7 °C | 0 mm | -12 mm |
| Dec | 10.3 °C | +0.4 °C | 56 mm | +41 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 Dīzīcheh?
Dīzīcheh has a cold desert climate (Köppen BWk). Over 1940-2025, the average annual temperature is 15.3 °C and it receives 100 mm of precipitation per year.
What is the hottest day ever recorded in Dīzīcheh?
The hottest day measured in Dīzīcheh between 1940 and 2025 was 3 July 2025, reaching 42.5 °C.
What is the coldest day in Dīzīcheh?
The coldest day measured in Dīzīcheh between 1940 and 2025 was 25 February 1972, at -25.4 °C.
Does it snow in Dīzīcheh?
Yes. Dīzīcheh gets on average 14.3 cm of snow per year and has around 96 frost days.
Has the climate of Dīzīcheh warmed?
Yes: Dīzīcheh warmed by +2.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Dīzīcheh?
The wettest day measured in Dīzīcheh between 1940 and 2025 was 9 February 2006, with 36 mm of rain in 24 hours.
What was the windiest day in Dīzīcheh?
The windiest day measured in Dīzīcheh between 1940 and 2025 was 3 April 2005, with winds reaching 45.6 km/h.
What is the warmest month in Dīzīcheh?
The warmest month in Dīzīcheh is July (29.1 °C on average); the coldest is January (0.6 °C).
How much does it rain in Dīzīcheh?
Dīzīcheh receives on average 100 mm of precipitation per year, spread over about 23 rainy days.
Is it sunny in Dīzīcheh?
Dīzīcheh 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 Dīzīcheh?
The heaviest 24-hour snowfall measured in Dīzīcheh between 1940 and 2025 was 29 January 1972, with 15.3 cm.
Are there tropical nights in Dīzīcheh?
Yes: Dīzīcheh has on average 43 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Dīzīcheh?
In Dīzīcheh, between 1940 and 2025, the highest apparent temperature reached 40.9 °C on 1 August 2024, and the lowest was -30.4 °C on 25 February 1972.
Compare Dīzīcheh with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Dīzīcheh