Winter temperature anomalies in Iran
Iran: Winter temperature anomalies was 1.14 °C in 2025. ◆ Volatile
Latest (2025)
1.14 °C
Change on year
up 268.0%
World rank
70th
of 193 countries
All-time high
3.63 °C
in 1998
All-time low
-5.36 °C
in 1944
Years of data
86
1940–2025
Winter temperature anomalies 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 1.14 °C for winter temperature anomalies in 2025.
The figure is up 268.0% on the previous year and up 216.0% over ten years.
Over the whole period, winter temperature anomalies in Iran peaked at 3.63 °C in 1998 and was at its lowest, -5.36 °C, in 1944.
That places Iran 70th out of 193 countries with data for 2025, putting it in the middle of the range.
The series is highly variable year to year, so single readings are best treated with caution.
Winter temperature anomalies in Iran, year by year
| Year | °C | Change |
|---|---|---|
| 1940 | 0.4472 °C | — |
| 1941 | -0.7818 °C | -274.8% |
| 1942 | -2.4 °C | +206.4% |
| 1943 | 0.6197 °C | -125.9% |
| 1944 | -5.36 °C | -964.9% |
| 1945 | -0.9563 °C | -82.2% |
| 1946 | -3.03 °C | +217.2% |
| 1947 | -1.48 °C | -51.1% |
| 1948 | -2.48 °C | +67.3% |
| 1949 | -0.8426 °C | -66.1% |
| 1950 | -1.8 °C | +113.6% |
| 1951 | -0.9821 °C | -45.4% |
| 1952 | -1.07 °C | +9.2% |
| 1953 | -3.44 °C | +220.2% |
| 1954 | -0.6968 °C | -79.7% |
| 1955 | -0.5182 °C | -25.6% |
| 1956 | -1.96 °C | +277.9% |
| 1957 | -1.38 °C | -29.5% |
| 1958 | -0.4406 °C | -68.1% |
| 1959 | -3.48 °C | +690.1% |
| 1960 | -1.52 °C | -56.3% |
| 1961 | -0.1615 °C | -89.4% |
| 1962 | -0.5196 °C | +221.7% |
| 1963 | -3.07 °C | +490.6% |
| 1964 | -5.14 °C | +67.5% |
| 1965 | -0.3415 °C | -93.4% |
| 1966 | 0.018 °C | -105.3% |
| 1967 | -1.86 °C | -10400.1% |
| 1968 | -0.0039 °C | -99.8% |
| 1969 | 1.18 °C | -30758.1% |
| 1970 | -1.59 °C | -234.7% |
| 1971 | -0.5271 °C | -66.9% |
| 1972 | -4.66 °C | +784.4% |
| 1973 | -1.73 °C | -62.8% |
| 1974 | -2.96 °C | +70.5% |
| 1975 | -2.67 °C | -9.8% |
| 1976 | -0.5078 °C | -81.0% |
| 1977 | 0.0009 °C | -100.2% |
| 1978 | 1.16 °C | +126911.0% |
| 1979 | -1.36 °C | -217.8% |
| 1980 | -0.1657 °C | -87.9% |
| 1981 | 0.9806 °C | -691.9% |
| 1982 | -4.6 °C | -568.8% |
| 1983 | -1.8 °C | -60.7% |
| 1984 | -4.1 °C | +127.3% |
| 1985 | -1.72 °C | -58.1% |
| 1986 | -3.61 °C | +110.2% |
| 1987 | 0.1457 °C | -104.0% |
| 1988 | 0.5499 °C | +277.3% |
| 1989 | -0.639 °C | -216.2% |
| 1990 | -0.104 °C | -83.7% |
| 1991 | -0.4599 °C | +342.3% |
| 1992 | -0.5049 °C | +9.8% |
| 1993 | 0.5844 °C | -215.7% |
| 1994 | -1.94 °C | -431.7% |
| 1995 | -1.84 °C | -5.0% |
| 1996 | 1.02 °C | -155.6% |
| 1997 | -0.4645 °C | -145.4% |
| 1998 | 3.63 °C | -882.1% |
| 1999 | 0.6066 °C | -83.3% |
| 2000 | 0.1984 °C | -67.3% |
| 2001 | 2.53 °C | +1175.1% |
| 2002 | -1.57 °C | -161.9% |
| 2003 | -0.3066 °C | -80.4% |
| 2004 | -1.73 °C | +465.1% |
| 2005 | 1.78 °C | -202.7% |
| 2006 | -3.21 °C | -280.4% |
| 2007 | -1.05 °C | -67.3% |
| 2008 | -0.4471 °C | -57.4% |
| 2009 | 0.5458 °C | -222.1% |
| 2010 | 0.9287 °C | +70.2% |
| 2011 | -1.51 °C | -263.1% |
| 2012 | 0.002 °C | -100.1% |
| 2013 | -1.23 °C | -60723.5% |
| 2014 | 0.5334 °C | -143.5% |
| 2015 | -0.9786 °C | -283.5% |
| 2016 | 1.64 °C | -267.6% |
| 2017 | 0.9842 °C | -40.0% |
| 2018 | 1.73 °C | +75.8% |
| 2019 | 1.3 °C | -24.8% |
| 2020 | -0.7803 °C | -160.0% |
| 2021 | 1.56 °C | -299.7% |
| 2022 | 0.4172 °C | -73.2% |
| 2023 | 3.05 °C | +631.7% |
| 2024 | -0.6757 °C | -122.1% |
| 2025 | 1.14 °C | -268.0% |
Iran compared with similar countries
- Iran's 1.14 °C is above the median for upper middle income countries, which is 0.8542 °C, 1.3× the median. (50 countries reporting)
- Iran's 1.14 °C is above the median for Middle East, North Africa, Afghanistan & Pakistan, which is 1.01 °C, 1.1× the median. (22 countries reporting)
Biggest year-on-year movements
Years where Winter 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 |
|---|---|---|---|
| 1978 | +126911.0% | 0.0009 °C | 1.16 °C |
| 2013 | -60723.5% | 0.002 °C | -1.23 °C |
| 1969 | +30758.1% | -0.0039 °C | 1.18 °C |
| 1967 | -10400.1% | 0.018 °C | -1.86 °C |
| 2001 | +1175.1% | 0.1984 °C | 2.53 °C |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1940s | -1.63 °C | -5.36 °C | 0.6197 °C | 10 |
| 1950s | -1.58 °C | -3.48 °C | -0.4406 °C | 10 |
| 1960s | -1.14 °C | -5.14 °C | 1.18 °C | 10 |
| 1970s | -1.49 °C | -4.66 °C | 1.16 °C | 10 |
| 1980s | -1.5 °C | -4.6 °C | 0.9806 °C | 10 |
| 1990s | 0.0534 °C | -1.94 °C | 3.63 °C | 10 |
| 2000s | -0.3259 °C | -3.21 °C | 2.53 °C | 10 |
| 2010s | 0.3401 °C | -1.51 °C | 1.73 °C | 10 |
| 2020s | 0.7846 °C | -0.7803 °C | 3.05 °C | 6 |
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 winter temperature anomalies in Iran?
- Winter temperature anomalies in Iran was 1.14 °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 winter temperature anomalies recorded in Iran?
- The highest recorded value was 3.63 °C in 1998.
- What is the lowest winter temperature anomalies recorded in Iran?
- The lowest recorded value was -5.36 °C in 1944.
- How does Iran rank for winter temperature anomalies?
- Iran ranks 70th out of 193 countries with data for 2025.
- Is winter temperature anomalies rising or falling in Iran?
- Over the last ten years it is up 216.0%. 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 Winter temperature anomalies. 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
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.