Temperature anomalies by month in Iran
Iran: Temperature anomalies by month was 0.2419 °C in 2026. ◆ Volatile
Latest (2026)
0.2419 °C
Change on year
down 65.0%
World rank
104th
of 193 countries
All-time high
4.05 °C
in 2024
All-time low
-8.26 °C
in 1964
Years of data
87
1940–2026
Temperature anomalies by month 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
Iran recorded 0.2419 °C for temperature anomalies by month in 2026.
The figure is down 65.0% on the previous year and down 88.6% over ten years.
Over the whole period, temperature anomalies by month in Iran peaked at 4.05 °C in 2024 and was at its lowest, -8.26 °C, in 1964.
That places Iran 104th out of 193 countries with data for 2026, putting it in the middle of the range.
The series is highly variable year to year, so single readings are best treated with caution.
Temperature anomalies by month in Iran, year by year
| Year | °C | Change |
|---|---|---|
| 1940 | -1.13 °C | — |
| 1941 | 0.5958 °C | -152.7% |
| 1942 | 0.3537 °C | -40.6% |
| 1943 | -1.7 °C | -580.3% |
| 1944 | 0.2779 °C | -116.4% |
| 1945 | -3.64 °C | -1411.3% |
| 1946 | -2.55 °C | -30.1% |
| 1947 | -0.9376 °C | -63.2% |
| 1948 | -0.2364 °C | -74.8% |
| 1949 | -4.51 °C | +1807.3% |
| 1950 | -3.36 °C | -25.5% |
| 1951 | -1.06 °C | -68.5% |
| 1952 | -2.5 °C | +136.5% |
| 1953 | 0.5162 °C | -120.6% |
| 1954 | -1.05 °C | -303.7% |
| 1955 | -1.03 °C | -1.7% |
| 1956 | -2.63 °C | +154.8% |
| 1957 | -4.11 °C | +56.0% |
| 1958 | 0.7724 °C | -118.8% |
| 1959 | -0.9191 °C | -219.0% |
| 1960 | 0.7134 °C | -177.6% |
| 1961 | -1.74 °C | -344.4% |
| 1962 | -1.18 °C | -32.5% |
| 1963 | 2.19 °C | -285.7% |
| 1964 | -8.26 °C | -477.7% |
| 1965 | -2.6 °C | -68.5% |
| 1966 | 3.1 °C | -219.5% |
| 1967 | -1.07 °C | -134.4% |
| 1968 | -0.7452 °C | -30.1% |
| 1969 | -2.43 °C | +226.7% |
| 1970 | -1.07 °C | -55.9% |
| 1971 | -1.35 °C | +25.4% |
| 1972 | -3.93 °C | +191.9% |
| 1973 | -4.74 °C | +20.4% |
| 1974 | -3.39 °C | -28.4% |
| 1975 | -2.15 °C | -36.6% |
| 1976 | -0.0743 °C | -96.5% |
| 1977 | -4.63 °C | +6132.5% |
| 1978 | -0.2831 °C | -93.9% |
| 1979 | -0.8269 °C | +192.1% |
| 1980 | -1.88 °C | +127.2% |
| 1981 | -0.3269 °C | -82.6% |
| 1982 | -1.57 °C | +378.9% |
| 1983 | -3.12 °C | +99.6% |
| 1984 | -1.25 °C | -60.1% |
| 1985 | -0.4185 °C | -66.4% |
| 1986 | -1 °C | +139.7% |
| 1987 | 0.4745 °C | -147.3% |
| 1988 | -1.58 °C | -432.8% |
| 1989 | -3.97 °C | +151.4% |
| 1990 | -2.25 °C | -43.2% |
| 1991 | -0.4902 °C | -78.3% |
| 1992 | -3.37 °C | +586.6% |
| 1993 | -2.2 °C | -34.6% |
| 1994 | 1.04 °C | -147.1% |
| 1995 | 1.68 °C | +61.8% |
| 1996 | -2.04 °C | -221.7% |
| 1997 | 0.5637 °C | -127.6% |
| 1998 | -1.33 °C | -336.6% |
| 1999 | 0.1984 °C | -114.9% |
| 2000 | -0.0036 °C | -101.8% |
| 2001 | -0.4984 °C | +13864.3% |
| 2002 | 0.4125 °C | -182.8% |
| 2003 | 0.7361 °C | +78.5% |
| 2004 | 1.75 °C | +138.2% |
| 2005 | -0.9221 °C | -152.6% |
| 2006 | -1.43 °C | +54.6% |
| 2007 | -1.42 °C | -0.4% |
| 2008 | -5.64 °C | +296.7% |
| 2009 | -0.3319 °C | -94.1% |
| 2010 | 3.21 °C | -1066.4% |
| 2011 | 0.0914 °C | -97.1% |
| 2012 | 0.1707 °C | +86.7% |
| 2013 | 1.3 °C | +660.6% |
| 2014 | -0.2893 °C | -122.3% |
| 2015 | 2.04 °C | -804.6% |
| 2016 | 2.12 °C | +3.8% |
| 2017 | 1.09 °C | -48.7% |
| 2018 | 1.49 °C | +37.5% |
| 2019 | 2.45 °C | +64.3% |
| 2020 | -0.372 °C | -115.2% |
| 2021 | 0.4782 °C | -228.5% |
| 2022 | 0.7764 °C | +62.4% |
| 2023 | -1.42 °C | -282.9% |
| 2024 | 4.05 °C | -385.2% |
| 2025 | 0.6908 °C | -82.9% |
| 2026 | 0.2419 °C | -65.0% |
Iran compared with similar countries
- Iran's 0.2419 °C is below the median for upper middle income countries, which is 0.3535 °C, 68% of the median. (50 countries reporting)
- Iran's 0.2419 °C is above the median for Middle East, North Africa, Afghanistan & Pakistan, which is 0.223 °C, 1.1× the median. (22 countries reporting)
Biggest year-on-year movements
Years where Temperature anomalies by month 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 |
|---|---|---|---|
| 2001 | -13864.3% | -0.0036 °C | -0.4984 °C |
| 1977 | -6132.5% | -0.0743 °C | -4.63 °C |
| 1949 | -1807.3% | -0.2364 °C | -4.51 °C |
| 1945 | -1411.3% | 0.2779 °C | -3.64 °C |
| 2010 | +1066.4% | -0.3319 °C | 3.21 °C |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1940s | -1.35 °C | -4.51 °C | 0.5958 °C | 10 |
| 1950s | -1.54 °C | -4.11 °C | 0.7724 °C | 10 |
| 1960s | -1.2 °C | -8.26 °C | 3.1 °C | 10 |
| 1970s | -2.25 °C | -4.74 °C | -0.0743 °C | 10 |
| 1980s | -1.46 °C | -3.97 °C | 0.4745 °C | 10 |
| 1990s | -0.8211 °C | -3.37 °C | 1.68 °C | 10 |
| 2000s | -0.7338 °C | -5.64 °C | 1.75 °C | 10 |
| 2010s | 1.37 °C | -0.2893 °C | 3.21 °C | 10 |
| 2020s | 0.635 °C | -1.42 °C | 4.05 °C | 7 |
Countries ranked near Iran
More climate change data for Iran
- Spring temperature anomalies 0.0713 °C (2026)
- Summer temperature anomalies 1.08 °C (2026)
- Share of global CO₂ emissions and population 0.8% (2100)
- Population, total, annual growth rate 0.9283 % change on previous year (2025)
- Population, total, per unit of GDP 0.0003 units per US$ of GDP (2025)
- Urban population, annual growth rate 1.39 % change on previous year (2025)
- Urban population, per unit of GDP 0.0002 units per US$ of GDP (2025)
- Urban population, per capita 0.7738 units per person (2025)
- Precipitation anomalies, annual growth rate -620.65 % change on previous year (2025)
- Autumn temperature anomalies 1.27 °C (2025)
Frequently asked questions
- What is temperature anomalies by month in Iran?
- Temperature anomalies by month in Iran was 0.2419 °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 temperature anomalies by month recorded in Iran?
- The highest recorded value was 4.05 °C in 2024.
- What is the lowest temperature anomalies by month recorded in Iran?
- The lowest recorded value was -8.26 °C in 1964.
- How does Iran rank for temperature anomalies by month?
- Iran ranks 104th out of 193 countries with data for 2026.
- Is temperature anomalies by month rising or falling in Iran?
- Over the last ten years it is down 88.6%. 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 Temperature anomalies by month. 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.