Decadal average surface temperature in Iran

Iran: Decadal average surface temperature was 18.86 °C in 2010. ▲ Rising

Latest (2010)
18.86 °C
World rank
121st
of 193 countries
All-time high
18.86 °C
in 2010
All-time low
16.75 °C
in 1950
Years of data
8
1940–2010

Decadal average surface temperature in Iran, 1940–2010

051015201940197520101940: 17.1 °C1950: 16.8 °C1960: 17 °C1970: 17.1 °C1980: 16.9 °C1990: 17.6 °C2000: 18.5 °C2010: 18.9 °C

Source: Contains modified Copernicus Climate Change Service information (2026) – with major processing by Our World in Data. Measured in °C.

Analysis

The most recent figure for decadal average surface temperature in Iran is 18.86 °C, measured in 2010. That is the highest value across all 8 years on record.

The figure is up 2.1% over ten years.

Over the whole period, decadal average surface temperature in Iran peaked at 18.86 °C in 2010 and was at its lowest, 16.75 °C, in 1950.

Iran ranks 121st of 193 countries on this measure, in the middle of the range.

Decadal average surface temperature in Iran, year by year

Annual values for Decadal average surface temperature in Iran, 1940 to 2010.
Year °C Change
1940 17.14 °C
1950 16.75 °C -2.3%
1960 16.98 °C +1.4%
1970 17.11 °C +0.7%
1980 16.91 °C -1.1%
1990 17.61 °C +4.1%
2000 18.47 °C +4.9%
2010 18.86 °C +2.1%

Iran compared with similar countries

  • Iran's 18.86 °C is below the median for upper middle income countries, which is 22.75 °C, 83% of the median. (50 countries reporting)
  • Iran's 18.86 °C is below the median for Middle East, North Africa, Afghanistan & Pakistan, which is 23.11 °C, 82% of the median. (22 countries reporting)

Averages by decade

DecadeAverage LowestHighest Years
1940s 17.14 °C 17.14 °C 17.14 °C 1
1950s 16.75 °C 16.75 °C 16.75 °C 1
1960s 16.98 °C 16.98 °C 16.98 °C 1
1970s 17.11 °C 17.11 °C 17.11 °C 1
1980s 16.91 °C 16.91 °C 16.91 °C 1
1990s 17.61 °C 17.61 °C 17.61 °C 1
2000s 18.47 °C 18.47 °C 18.47 °C 1
2010s 18.86 °C 18.86 °C 18.86 °C 1

Countries ranked near Iran

  1. 118 Rwanda 19.73 °C compare
  2. 119 Syria 19.67 °C compare
  3. 120 Peru 18.98 °C compare
  4. 122 Morocco 18.77 °C compare
  5. 123 South Africa 18.25 °C compare
  6. 124 Uruguay 17.71 °C compare

See the full ranking of 193 places →

More reference data data for Iran

All data for Iran →

Frequently asked questions

What is decadal average surface temperature in Iran?
Decadal average surface temperature in Iran was 18.86 °C in 2010, according to Contains modified Copernicus Climate Change Service information (2026) – with major processing by Our World in Data.
What is the highest decadal average surface temperature recorded in Iran?
The highest recorded value was 18.86 °C in 2010.
What is the lowest decadal average surface temperature recorded in Iran?
The lowest recorded value was 16.75 °C in 1950.
How does Iran rank for decadal average surface temperature?
Iran ranks 121st out of 193 countries with data for 2010.
Is decadal average surface temperature rising or falling in Iran?
Over the last ten years it is up 2.1%. The long-run trend across the full record is rising.
Where does this Iran data come from?
The figures come from Contains modified Copernicus Climate Change Service information (2026) – with major processing by Our World in Data, published as part of Decadal average surface temperature. Statizoid updates them automatically from the source API.

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CSV · JSON — 8 observations, free to reuse under CC BY 4.0 (Our World in Data).

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Decadal average surface temperature in Iran. Statizoid, drawing on Contains modified Copernicus Climate Change Service information (2026) – with major processing by Our World in Data. Retrieved 23 September 2026, from https://reference.statizoid.com/stat/decadal-average-surface-temperature/iran-islamic-rep/

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About this data

Indicator
Decadal average surface temperature
Unit
°C
Source
Contains modified Copernicus Climate Change Service information (2026) – with major processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
193 places, 1,544 data points, 1940–2010
Last refreshed

Temperature of the air measured 2 meters above the ground, encompassing land, sea, and in-land water surfaces.