Heating Degree Days in Iran

Iran: Heating Degree Days was 2,621 in 2024. ▼ Falling

Latest (2024)
2,621
Change on year
up 6.2%
World rank
64th
of 188 countries
All-time high
4,070
in 1964
All-time low
2,417
in 2010
Years of data
65
1960–2024

Heating Degree Days in Iran, 1960–2024

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Source: World Bank, Climate Change Knowledge Portal. https://climateknowledgeportal.worldbank.org.

Analysis

In 2024, heating degree days in Iran stood at 2,621.

Compared with earlier readings it is up 6.2% on the previous year and down 14.5% over ten years.

Over the whole period, heating degree days in Iran peaked at 4,070 in 1964 and was at its lowest, 2,417, in 2010.

That places Iran 64th out of 188 countries with data for 2024, putting it in the middle of the range.

The long-run direction has been consistently falling across the 65 years of available data.

Averages by decade

DecadeAverage LowestHighest Years
1960s 3,389 2,921 4,070 10
1970s 3,427 3,023 4,049 10
1980s 3,535 3,195 4,061 10
1990s 3,199 2,854 3,754 10
2000s 2,933 2,641 3,199 10
2010s 2,799 2,417 3,130 10
2020s 2,625 2,469 2,996 5

Countries ranked near Iran

  1. 61 Spain 3,192 compare
  2. 62 San Marino 2,861 compare
  3. 63 Greece 2,752 compare
  4. 65 Pakistan 2,562 compare
  5. 66 Lebanon 2,532 compare
  6. 67 Monaco 2,390 compare

See the full ranking of 189 places →

More environment data for Iran

All data for Iran →

Frequently asked questions

What is heating degree days in Iran?
Heating degree days in Iran was 2,621 in 2024, according to World Bank, Climate Change Knowledge Portal. https://climateknowledgeportal.worldbank.org.
What is the highest heating degree days recorded in Iran?
The highest recorded value was 4,070 in 1964.
What is the lowest heating degree days recorded in Iran?
The lowest recorded value was 2,417 in 2010.
How does Iran rank for heating degree days?
Iran ranks 64th out of 188 countries with data for 2024.
Is heating degree days rising or falling in Iran?
Over the last ten years it is down 14.5%. The long-run trend across the full record is falling.
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 Heating 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

Indicator
Heating Degree Days
Source
World Bank, Climate Change Knowledge Portal. https://climateknowledgeportal.worldbank.org
Licence
CC BY 4.0 (World Bank Open Data)
Coverage
189 places, 11,178 data points, 1960–2024
Last refreshed

A heating degree day (HDD) is a measurement designed to track energy use. It is the number of degrees that a day's average temperature is below 18°C (65°F). Daily degree days are accumulated to obtain annual values.