Cooling Degree Days in Iran
Iran: Cooling Degree Days was 3,374 in 2024. ▲ Rising
Cooling Degree Days in Iran, 1960–2024
Source: World Bank, Climate Change Knowledge Portal. https://climateknowledgeportal.worldbank.org.
Analysis
The most recent figure for cooling degree days in Iran is 3,374, measured in 2024.
Compared with earlier readings it is down 0.9% on the previous year and up 6.8% over ten years.
Over the whole period, cooling degree days in Iran peaked at 3,478 in 2021 and was at its lowest, 2,353, in 1992.
That places Iran 108th out of 193 countries with data for 2024, putting it in the middle of the range.
The long-run direction has been consistently rising across the 65 years of available data.
Cooling Degree Days in Iran, year by year
| Year | Value | Change |
|---|---|---|
| 1960 | 2,547 | — |
| 1961 | 2,531 | -0.6% |
| 1962 | 2,364 | -6.6% |
| 1963 | 2,580 | +9.1% |
| 1964 | 2,602 | +0.9% |
| 1965 | 2,591 | -0.4% |
| 1966 | 2,639 | +1.8% |
| 1967 | 2,481 | -6.0% |
| 1968 | 2,459 | -0.9% |
| 1969 | 2,553 | +3.8% |
| 1970 | 2,796 | +9.5% |
| 1971 | 2,626 | -6.1% |
| 1972 | 2,391 | -8.9% |
| 1973 | 2,768 | +15.8% |
| 1974 | 2,539 | -8.3% |
| 1975 | 2,674 | +5.3% |
| 1976 | 2,613 | -2.3% |
| 1977 | 2,875 | +10.0% |
| 1978 | 2,626 | -8.6% |
| 1979 | 2,645 | +0.7% |
| 1980 | 2,821 | +6.7% |
| 1981 | 2,506 | -11.2% |
| 1982 | 2,488 | -0.7% |
| 1983 | 2,682 | +7.8% |
| 1984 | 2,516 | -6.2% |
| 1985 | 2,575 | +2.3% |
| 1986 | 2,495 | -3.1% |
| 1987 | 2,675 | +7.2% |
| 1988 | 2,781 | +4.0% |
| 1989 | 2,832 | +1.8% |
| 1990 | 2,948 | +4.1% |
| 1991 | 2,678 | -9.2% |
| 1992 | 2,353 | -12.2% |
| 1993 | 2,647 | +12.5% |
| 1994 | 2,760 | +4.3% |
| 1995 | 2,751 | -0.3% |
| 1996 | 2,703 | -1.8% |
| 1997 | 2,796 | +3.4% |
| 1998 | 2,968 | +6.2% |
| 1999 | 2,981 | +0.4% |
| 2000 | 3,081 | +3.4% |
| 2001 | 3,132 | +1.7% |
| 2002 | 3,081 | -1.6% |
| 2003 | 2,975 | -3.4% |
| 2004 | 2,937 | -1.3% |
| 2005 | 2,987 | +1.7% |
| 2006 | 3,175 | +6.3% |
| 2007 | 2,946 | -7.2% |
| 2008 | 3,244 | +10.1% |
| 2009 | 2,985 | -8.0% |
| 2010 | 3,219 | +7.8% |
| 2011 | 3,202 | -0.5% |
| 2012 | 2,978 | -7.0% |
| 2013 | 3,053 | +2.5% |
| 2014 | 3,160 | +3.5% |
| 2015 | 3,267 | +3.4% |
| 2016 | 3,202 | -2.0% |
| 2017 | 3,267 | +2.0% |
| 2018 | 3,285 | +0.6% |
| 2019 | 3,183 | -3.1% |
| 2020 | 3,015 | -5.3% |
| 2021 | 3,478 | +15.4% |
| 2022 | 3,334 | -4.1% |
| 2023 | 3,404 | +2.1% |
| 2024 | 3,374 | -0.9% |
Iran compared with similar countries
- Iran's 3,374 is below the median for upper middle income countries, which is 4,490, 75% of the median. (58 countries reporting)
- Iran's 3,374 is below the median for Middle East, North Africa, Afghanistan & Pakistan, which is 4,535, 74% of the median. (22 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 2,535 | 2,364 | 2,639 | 10 |
| 1970s | 2,655 | 2,391 | 2,875 | 10 |
| 1980s | 2,637 | 2,488 | 2,832 | 10 |
| 1990s | 2,758 | 2,353 | 2,981 | 10 |
| 2000s | 3,054 | 2,937 | 3,244 | 10 |
| 2010s | 3,182 | 2,978 | 3,285 | 10 |
| 2020s | 3,321 | 3,015 | 3,478 | 5 |
Countries ranked near Iran
More environment data for Iran
- Historical exposure to drought — Land soil moisture anomaly -30.46 Percentage change (2025)
- Historical exposure to drought — Cropland soil moisture anomaly -21.27 Percentage change (2025)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), annual 2.4 % change on previous year (2024)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), per unit 0 Mt CO2e per US$ of GDP (2024)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), per capita 0 Mt CO2e per person (2024)
- Methane (CH4) emissions from Agriculture (Mt CO2e), annual growth rate 1.9 % change on previous year (2024)
- Methane (CH4) emissions from Agriculture (Mt CO2e), per unit of GDP 0 Mt CO2e per US$ of GDP (2024)
- Methane (CH4) emissions from Agriculture (Mt CO2e), per capita 0 Mt CO2e per person (2024)
- Methane (CH4) emissions from Building (Energy) (Mt CO2e), annual -0.0807 % change on previous year (2024)
- Methane (CH4) emissions from Building (Energy) (Mt CO2e), per unit of 0 Mt CO2e per US$ of GDP (2024)
Frequently asked questions
- What is cooling degree days in Iran?
- Cooling degree days in Iran was 3,374 in 2024, according to World Bank, Climate Change Knowledge Portal. https://climateknowledgeportal.worldbank.org.
- What is the highest cooling degree days recorded in Iran?
- The highest recorded value was 3,478 in 2021.
- What is the lowest cooling degree days recorded in Iran?
- The lowest recorded value was 2,353 in 1992.
- How does Iran rank for cooling degree days?
- Iran ranks 108th out of 193 countries with data for 2024.
- Is cooling degree days rising or falling in Iran?
- Over the last ten years it is up 6.8%. The long-run trend across the full record is rising.
- Where does this Iran data come from?
- The figures come from World Bank, Climate Change Knowledge Portal. https://climateknowledgeportal.worldbank.org, published as part of Cooling Degree Days. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 65 observations, free to reuse under CC BY 4.0 (World Bank Open Data).
About this data
A cooling degree day (CDD) is a measurement designed to track energy use. It is the number of degrees that a day's average temperature is above 18°C (65°F). Daily degree days are accumulated to obtain annual values.