Shut climate — normals and trends
Shut (Iran) has a hot-summer humid continental climate (Dfa) under the Köppen-Geiger classification. Its mean annual temperature is 10.5 °C and it receives 628 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 (23.7 °C on average) and the coldest is January (-3.7 °C). Rainfall peaks in May.
Shut averages 113 frost days, 32 hot days (≥ 30 °C) and 119 rainy days per year.
Shut has warmed by +2.6 °C between 1940 and 2025, or +0.31 °C per decade. This trend is statistically significant.
The number of frost days there went from about 131 to 95 per year over the period.
The hottest day of the period reached 39.5 °C (on 8 August 2025) and the coldest -27.8 °C (on 24 February 1985).
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
ShutWest Azerbaijan Province
- coords
- 39.22°, 44.77°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
10.5°C
Average daily high
15.8°C
Average daily low
5.3°C
Annual rainfall
628mm
Sunshine / day
10.8h
Mean relative humidity
60%
Average peak wind
8.3km/h
Seasonal range
27.4°C
Frost days (< 0 °C)
113 d/yr
Hot days (≥ 30 °C)
32 d/yr
Rainy days (≥ 1 mm)
119 d/yr
Annual snowfall
66.1 cm
Average feels-like high
14.5 °C
Average feels-like low
3.1 °C
Average peak gust
25.5 km/h
Tropical nights (≥ 20 °C)
17 d/yr
Solar radiation
17.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.6 °C
since 1940
+0.3 °C per decade · r² = 0.41 · 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
39.5 °C
8 August 2025
Coldest day
-27.8 °C
24 February 1985
Wettest day
44 mm
20 July 1976
Windiest day
26.6 km/h
5 October 1977
Strongest gust
83.9 km/h
29 March 2014
Hottest feels-like
39.5 °C
3 August 2011
Coldest feels-like
-33.2 °C
24 February 1985
Snowiest day
18.6 cm
5 February 2010
Sunniest day
14.0 h
9 May 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 | 3.0 °C | +1.8 °C | 2 mm | -24 mm |
| Feb | 1.9 °C | -1.5 °C | 41 mm | +7 mm |
| Mar | 14.1 °C | +5.1 °C | 28 mm | -38 mm |
| Apr | 17.5 °C | +1.9 °C | 98 mm | -6 mm |
| May | 23.5 °C | +3.2 °C | 105 mm | -29 mm |
| Jun | 27.3 °C | +2.1 °C | 23 mm | -56 mm |
| Jul | 32.0 °C | +2.8 °C | 10 mm | -22 mm |
| Aug | 33.9 °C | +4.5 °C | 4 mm | -19 mm |
| Sep | 25.9 °C | +0.9 °C | 23 mm | -4 mm |
| Oct | 21.1 °C | +3.3 °C | 13 mm | -31 mm |
| Nov | 14.2 °C | +4.1 °C | 6 mm | -28 mm |
| Dec | 5.2 °C | +1.5 °C | 39 mm | +14 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 Shut?
Shut has a hot-summer humid continental climate (Köppen Dfa). Over 1940-2025, the average annual temperature is 10.5 °C and it receives 628 mm of precipitation per year.
What is the hottest day ever recorded in Shut?
The hottest day measured in Shut between 1940 and 2025 was 8 August 2025, reaching 39.5 °C.
What is the coldest day in Shut?
The coldest day measured in Shut between 1940 and 2025 was 24 February 1985, at -27.8 °C.
Does it snow in Shut?
Yes. Shut gets on average 66.1 cm of snow per year and has around 113 frost days.
Has the climate of Shut warmed?
Yes: Shut warmed by +2.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Shut?
The wettest day measured in Shut between 1940 and 2025 was 20 July 1976, with 44 mm of rain in 24 hours.
What was the windiest day in Shut?
The windiest day measured in Shut between 1940 and 2025 was 5 October 1977, with winds reaching 26.6 km/h.
What is the warmest month in Shut?
The warmest month in Shut is July (23.7 °C on average); the coldest is January (-3.7 °C).
How much does it rain in Shut?
Shut receives on average 628 mm of precipitation per year, spread over about 119 rainy days.
Is it sunny in Shut?
Shut gets on average 10.8 hours of sunshine per day, roughly 3,942 hours per year over 1940-2025.
What is the biggest single-day snowfall in Shut?
The heaviest 24-hour snowfall measured in Shut between 1940 and 2025 was 5 February 2010, with 18.6 cm.
Are there tropical nights in Shut?
Yes: Shut has on average 17 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Shut?
In Shut, between 1940 and 2025, the highest apparent temperature reached 39.5 °C on 3 August 2011, and the lowest was -33.2 °C on 24 February 1985.
Compare Shut with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Shut