Average annual surface temperature in Iran
Iran: Average annual surface temperature was 19.71 °C in 2025. ▲ Rising
Latest (2025)
19.71 °C
Change on year
up 1.4%
World rank
120th
of 193 countries
All-time high
19.74 °C
in 2021
All-time low
15.56 °C
in 1957
Years of data
86
1940–2025
Average annual surface temperature in Iran, 1940–2025
Source: Contains modified Copernicus Climate Change Service information (2026) – with major processing by Our World in Data. Measured in °C.
Analysis
Iran recorded 19.71 °C for average annual surface temperature in 2025.
The figure is up 1.4% on the previous year and up 3.3% over ten years.
Over the whole period, average annual surface temperature in Iran peaked at 19.74 °C in 2021 and was at its lowest, 15.56 °C, in 1957.
That places Iran 120th out of 193 countries with data for 2025, putting it in the middle of the range.
The long-run direction has been consistently rising across the 86 years of available data.
Average annual surface temperature in Iran, year by year
| Year | °C | Change |
|---|---|---|
| 1940 | 17.16 °C | — |
| 1941 | 18.17 °C | +5.9% |
| 1942 | 18.01 °C | -0.9% |
| 1943 | 16.91 °C | -6.1% |
| 1944 | 17.42 °C | +3.0% |
| 1945 | 16.73 °C | -4.0% |
| 1946 | 16.92 °C | +1.1% |
| 1947 | 17.35 °C | +2.5% |
| 1948 | 16.76 °C | -3.4% |
| 1949 | 15.99 °C | -4.6% |
| 1950 | 16.3 °C | +1.9% |
| 1951 | 17.02 °C | +4.4% |
| 1952 | 16.84 °C | -1.0% |
| 1953 | 16.69 °C | -0.9% |
| 1954 | 16.71 °C | +0.1% |
| 1955 | 17.37 °C | +3.9% |
| 1956 | 16.61 °C | -4.3% |
| 1957 | 15.56 °C | -6.3% |
| 1958 | 17.69 °C | +13.7% |
| 1959 | 16.74 °C | -5.4% |
| 1960 | 17.12 °C | +2.3% |
| 1961 | 16.7 °C | -2.5% |
| 1962 | 16.97 °C | +1.6% |
| 1963 | 17.5 °C | +3.1% |
| 1964 | 16.08 °C | -8.1% |
| 1965 | 17.11 °C | +6.4% |
| 1966 | 17.85 °C | +4.3% |
| 1967 | 16.6 °C | -7.0% |
| 1968 | 16.9 °C | +1.8% |
| 1969 | 16.98 °C | +0.5% |
| 1970 | 17.94 °C | +5.7% |
| 1971 | 17.4 °C | -3.0% |
| 1972 | 15.78 °C | -9.4% |
| 1973 | 17.35 °C | +10.0% |
| 1974 | 16.44 °C | -5.3% |
| 1975 | 16.82 °C | +2.3% |
| 1976 | 16.72 °C | -0.6% |
| 1977 | 17.75 °C | +6.1% |
| 1978 | 17.54 °C | -1.2% |
| 1979 | 17.31 °C | -1.3% |
| 1980 | 17.62 °C | +1.8% |
| 1981 | 17.22 °C | -2.3% |
| 1982 | 15.86 °C | -7.9% |
| 1983 | 16.62 °C | +4.8% |
| 1984 | 16.42 °C | -1.2% |
| 1985 | 17.05 °C | +3.8% |
| 1986 | 16.32 °C | -4.3% |
| 1987 | 17.43 °C | +6.8% |
| 1988 | 17.52 °C | +0.5% |
| 1989 | 17.04 °C | -2.7% |
| 1990 | 17.73 °C | +4.0% |
| 1991 | 17.41 °C | -1.8% |
| 1992 | 16.18 °C | -7.0% |
| 1993 | 17.17 °C | +6.2% |
| 1994 | 17.8 °C | +3.6% |
| 1995 | 17.82 °C | +0.1% |
| 1996 | 17.48 °C | -1.9% |
| 1997 | 17.59 °C | +0.6% |
| 1998 | 18.44 °C | +4.8% |
| 1999 | 18.48 °C | +0.2% |
| 2000 | 18.36 °C | -0.6% |
| 2001 | 19.02 °C | +3.6% |
| 2002 | 18.58 °C | -2.3% |
| 2003 | 18.32 °C | -1.4% |
| 2004 | 18.55 °C | +1.2% |
| 2005 | 18.26 °C | -1.6% |
| 2006 | 18.62 °C | +1.9% |
| 2007 | 18.12 °C | -2.6% |
| 2008 | 18.37 °C | +1.3% |
| 2009 | 18.49 °C | +0.6% |
| 2010 | 19.49 °C | +5.5% |
| 2011 | 18.38 °C | -5.7% |
| 2012 | 18.15 °C | -1.2% |
| 2013 | 18.7 °C | +3.0% |
| 2014 | 18.4 °C | -1.6% |
| 2015 | 19.07 °C | +3.6% |
| 2016 | 19.17 °C | +0.6% |
| 2017 | 19.02 °C | -0.8% |
| 2018 | 19.46 °C | +2.3% |
| 2019 | 18.74 °C | -3.7% |
| 2020 | 18.34 °C | -2.1% |
| 2021 | 19.74 °C | +7.7% |
| 2022 | 19.53 °C | -1.1% |
| 2023 | 19.7 °C | +0.9% |
| 2024 | 19.44 °C | -1.3% |
| 2025 | 19.71 °C | +1.4% |
Iran compared with similar countries
- Iran's 19.71 °C is below the median for upper middle income countries, which is 23.03 °C, 86% of the median. (50 countries reporting)
- Iran's 19.71 °C is below the median for Middle East, North Africa, Afghanistan & Pakistan, which is 23.38 °C, 84% of the median. (22 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1940s | 17.14 °C | 15.99 °C | 18.17 °C | 10 |
| 1950s | 16.75 °C | 15.56 °C | 17.69 °C | 10 |
| 1960s | 16.98 °C | 16.08 °C | 17.85 °C | 10 |
| 1970s | 17.11 °C | 15.78 °C | 17.94 °C | 10 |
| 1980s | 16.91 °C | 15.86 °C | 17.62 °C | 10 |
| 1990s | 17.61 °C | 16.18 °C | 18.48 °C | 10 |
| 2000s | 18.47 °C | 18.12 °C | 19.02 °C | 10 |
| 2010s | 18.86 °C | 18.15 °C | 19.49 °C | 10 |
| 2020s | 19.41 °C | 18.34 °C | 19.74 °C | 6 |
Countries ranked near Iran
More reference data data for Iran
- Emission Totals - Indirect emissions (N2O) - Manure applied to Soils 3.47 (2050)
- Emission Totals - Indirect emissions (N2O) - Manure left on Pasture 12.01 (2050)
- Emission Totals - Indirect emissions (N2O) - IPCC Agriculture 26.62 (2050)
- Emission Totals - Indirect emissions (N2O) - Crop Residues 1.34 (2050)
- Emission Totals - Indirect emissions (N2O) - Agricultural Soils 26.62 (2050)
- Emission Totals - Emissions (N2O) - Manure applied to Soils 11.62 (2050)
- Emission Totals - Emissions (N2O) - Manure Management 3.84 (2050)
- Emission Totals - Emissions (N2O) - Manure left on Pasture 46.54 (2050)
- Emission Totals - Emissions (N2O) - IPCC Agriculture 109.46 (2050)
- Emission Totals - Emissions (N2O) - Crop Residues 7.3 (2050)
Frequently asked questions
- What is average annual surface temperature in Iran?
- Average annual surface temperature in Iran was 19.71 °C in 2025, according to Contains modified Copernicus Climate Change Service information (2026) – with major processing by Our World in Data.
- What is the highest average annual surface temperature recorded in Iran?
- The highest recorded value was 19.74 °C in 2021.
- What is the lowest average annual surface temperature recorded in Iran?
- The lowest recorded value was 15.56 °C in 1957.
- How does Iran rank for average annual surface temperature?
- Iran ranks 120th out of 193 countries with data for 2025.
- Is average annual surface temperature rising or falling in Iran?
- Over the last ten years it is up 3.3%. 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 Average annual surface temperature. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 86 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Temperature of the air measured 2 meters above the ground, encompassing land, sea, and in-land water surfaces.