Autumn temperature anomalies in Iran
Iran: Autumn temperature anomalies was 2.07 °C in 2026. ◆ Volatile
Autumn temperature anomalies in Iran, 1940–2026
Source: Contains modified Copernicus Climate Change Service information (2026) – with major processing by Our World in Data. Measured in °C.
Analysis
In 2026, autumn temperature anomalies in Iran stood at 2.07 °C. That is the highest value across all 87 years on record.
That represents a change of up 63.3% on the previous year and up 57.0% over ten years.
Over the whole period, autumn temperature anomalies in Iran peaked at 2.07 °C in 2026 and was at its lowest, -2.81 °C, in 1962.
That places Iran 18th out of 193 countries with data for 2026, putting it in the top 10%.
The series is highly variable year to year, so single readings are best treated with caution.
Autumn temperature anomalies in Iran, year by year
| Year | °C | Change |
|---|---|---|
| 1940 | -1.53 °C | — |
| 1941 | -1.15 °C | -24.9% |
| 1942 | -0.9771 °C | -15.0% |
| 1943 | -1.17 °C | +19.4% |
| 1944 | -1.82 °C | +56.0% |
| 1945 | -0.6638 °C | -63.5% |
| 1946 | -1.59 °C | +138.9% |
| 1947 | -1.09 °C | -31.2% |
| 1948 | -0.9171 °C | -15.9% |
| 1949 | -1.31 °C | +43.0% |
| 1950 | -1.65 °C | +26.1% |
| 1951 | 0.0808 °C | -104.9% |
| 1952 | -1.5 °C | -1954.6% |
| 1953 | -1.13 °C | -24.5% |
| 1954 | -1.72 °C | +52.2% |
| 1955 | -0.5994 °C | -65.2% |
| 1956 | -1.64 °C | +173.3% |
| 1957 | -1.8 °C | +9.9% |
| 1958 | -0.9285 °C | -48.4% |
| 1959 | -0.0621 °C | -93.3% |
| 1960 | -0.8906 °C | +1334.6% |
| 1961 | -0.8454 °C | -5.1% |
| 1962 | -2.81 °C | +232.2% |
| 1963 | -0.8232 °C | -70.7% |
| 1964 | -1.57 °C | +90.6% |
| 1965 | -1.49 °C | -4.9% |
| 1966 | -1.12 °C | -25.2% |
| 1967 | -0.9336 °C | -16.4% |
| 1968 | -0.7597 °C | -18.6% |
| 1969 | -2.16 °C | +183.9% |
| 1970 | -1.46 °C | -32.3% |
| 1971 | -1.88 °C | +28.7% |
| 1972 | -0.8325 °C | -55.7% |
| 1973 | -1.02 °C | +22.4% |
| 1974 | -1.32 °C | +29.1% |
| 1975 | -0.7729 °C | -41.2% |
| 1976 | -0.3896 °C | -49.6% |
| 1977 | -0.7276 °C | +86.8% |
| 1978 | -0.4851 °C | -33.3% |
| 1979 | -0.6709 °C | +38.3% |
| 1980 | -1.27 °C | +88.9% |
| 1981 | -1.7 °C | +34.1% |
| 1982 | -1.67 °C | -2.0% |
| 1983 | -0.8762 °C | -47.4% |
| 1984 | -1.58 °C | +80.1% |
| 1985 | -1.08 °C | -31.9% |
| 1986 | -1.57 °C | +46.0% |
| 1987 | -0.6829 °C | -56.5% |
| 1988 | -0.6508 °C | -4.7% |
| 1989 | -0.8383 °C | +28.8% |
| 1990 | 0.5309 °C | -163.3% |
| 1991 | -0.8794 °C | -265.6% |
| 1992 | -2.19 °C | +148.9% |
| 1993 | -0.2043 °C | -90.7% |
| 1994 | -2.57 °C | +1159.3% |
| 1995 | -0.6617 °C | -74.3% |
| 1996 | 0.5988 °C | -190.5% |
| 1997 | -0.3902 °C | -165.2% |
| 1998 | 0.1097 °C | -128.1% |
| 1999 | -0.2418 °C | -320.4% |
| 2000 | 0.4847 °C | -300.5% |
| 2001 | 0.2175 °C | -55.1% |
| 2002 | 0.7879 °C | +262.3% |
| 2003 | -0.2921 °C | -137.1% |
| 2004 | -0.4553 °C | +55.9% |
| 2005 | 0.7286 °C | -260.0% |
| 2006 | -0.4665 °C | -164.0% |
| 2007 | -0.4303 °C | -7.8% |
| 2008 | 0.5736 °C | -233.3% |
| 2009 | -0.1908 °C | -133.3% |
| 2010 | -0.1628 °C | -14.7% |
| 2011 | 0.0969 °C | -159.5% |
| 2012 | -0.2295 °C | -336.8% |
| 2013 | 1.06 °C | -563.0% |
| 2014 | 1.35 °C | +27.0% |
| 2015 | -0.4687 °C | -134.7% |
| 2016 | 1.32 °C | -381.8% |
| 2017 | 0.4874 °C | -63.1% |
| 2018 | 0.8685 °C | +78.2% |
| 2019 | 1.47 °C | +69.5% |
| 2020 | -0.3236 °C | -122.0% |
| 2021 | 1.63 °C | -603.3% |
| 2022 | 1.46 °C | -10.6% |
| 2023 | 1.25 °C | -14.2% |
| 2024 | 0.7997 °C | -36.0% |
| 2025 | 1.27 °C | +58.8% |
| 2026 | 2.07 °C | +63.3% |
Iran compared with similar countries
- Iran's 2.07 °C is above the median for upper middle income countries, which is 1.04 °C, 2.0× the median. (50 countries reporting)
- Iran's 2.07 °C is above the median for Middle East, North Africa, Afghanistan & Pakistan, which is 1.07 °C, 1.9× the median. (22 countries reporting)
Biggest year-on-year movements
Years where Autumn temperature anomalies in Iran changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.
| Year | Change | From | To |
|---|---|---|---|
| 1952 | -1954.6% | 0.0808 °C | -1.5 °C |
| 1960 | -1334.6% | -0.0621 °C | -0.8906 °C |
| 1994 | -1159.3% | -0.2043 °C | -2.57 °C |
| 2021 | +603.3% | -0.3236 °C | 1.63 °C |
| 2013 | +563.0% | -0.2295 °C | 1.06 °C |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1940s | -1.22 °C | -1.82 °C | -0.6638 °C | 10 |
| 1950s | -1.1 °C | -1.8 °C | 0.0808 °C | 10 |
| 1960s | -1.34 °C | -2.81 °C | -0.7597 °C | 10 |
| 1970s | -0.9551 °C | -1.88 °C | -0.3896 °C | 10 |
| 1980s | -1.19 °C | -1.7 °C | -0.6508 °C | 10 |
| 1990s | -0.5899 °C | -2.57 °C | 0.5988 °C | 10 |
| 2000s | 0.0957 °C | -0.4665 °C | 0.7879 °C | 10 |
| 2010s | 0.5796 °C | -0.4687 °C | 1.47 °C | 10 |
| 2020s | 1.16 °C | -0.3236 °C | 2.07 °C | 7 |
Countries ranked near Iran
More reference data data for Iran
- Emission Totals - Emissions (N2O) - IPCC Agriculture 109.46 (2050)
- Emission Totals - Indirect emissions (N2O) - Manure applied to Soils 3.47 (2050)
- Emission Totals - Emissions (N2O) - Crop Residues 7.3 (2050)
- Emission Totals - Emissions (N2O) - Manure Management 3.84 (2050)
- Emission Totals - Emissions (N2O) - Manure left on Pasture 46.54 (2050)
- Emission Totals - Indirect emissions (N2O) - Crop Residues 1.34 (2050)
- Emission Totals - Indirect emissions (N2O) - Agricultural Soils 26.62 (2050)
- Emission Totals - Indirect emissions (N2O) - IPCC Agriculture 26.62 (2050)
- Emission Totals - Emissions (N2O) - Burning - Crop residues 0.2091 (2050)
- Emission Totals - Emissions (CO2eq) from N2O (AR5) - IPCC Agriculture 29,008 (2050)
Frequently asked questions
- What is autumn temperature anomalies in Iran?
- Autumn temperature anomalies in Iran was 2.07 °C in 2026, according to Contains modified Copernicus Climate Change Service information (2026) – with major processing by Our World in Data.
- What is the highest autumn temperature anomalies recorded in Iran?
- The highest recorded value was 2.07 °C in 2026.
- What is the lowest autumn temperature anomalies recorded in Iran?
- The lowest recorded value was -2.81 °C in 1962.
- How does Iran rank for autumn temperature anomalies?
- Iran ranks 18th out of 193 countries with data for 2026.
- Is autumn temperature anomalies rising or falling in Iran?
- Over the last ten years it is up 57.0%. The long-run trend across the full record is volatile.
- 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 Autumn temperature anomalies. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 87 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Difference in a specific month's average surface temperature from the mean temperature of the same month during the period 1991-2020, measured in degrees Celsius.