Contribution to global mean surface temperature rise in Iran

Iran: Contribution to global mean surface temperature rise was 0.0178 °C in 2024. ◆ Volatile

Latest (2024)
0.0178 °C
Change on year
up 2.6%
World rank
15th
of 215 countries
All-time high
0.0178 °C
in 2024
All-time low
0 °C
in 1851
Years of data
174
1851–2024

Contribution to global mean surface temperature rise in Iran, 1851–2024

00.0050.010.0150.02185119372024

Source: Jones et al. (2025) – with major processing by Our World in Data. Measured in °C.

Analysis

Iran recorded 0.0178 °C for contribution to global mean surface temperature rise in 2024. That is the highest value across all 174 years on record.

The figure is up 2.6% on the previous year and up 29.3% over ten years.

Over the whole period, contribution to global mean surface temperature rise in Iran peaked at 0.0178 °C in 2024 and was at its lowest, 0 °C, in 1851.

That places Iran 15th out of 215 countries with data for 2024, putting it in the top 10%.

The series is highly variable year to year, so single readings are best treated with caution.

Averages by decade

DecadeAverage LowestHighest Years
1850s 0 °C 0 °C 0 °C 9
1860s 0.0001 °C 0 °C 0.0001 °C 10
1870s 0.0001 °C 0.0001 °C 0.0001 °C 10
1880s 0.0002 °C 0.0001 °C 0.0002 °C 10
1890s 0.0003 °C 0.0002 °C 0.0003 °C 10
1900s 0.0004 °C 0.0003 °C 0.0004 °C 10
1910s 0.0005 °C 0.0004 °C 0.0005 °C 10
1920s 0.0006 °C 0.0005 °C 0.0007 °C 10
1930s 0.0008 °C 0.0007 °C 0.0009 °C 10
1940s 0.001 °C 0.0009 °C 0.0012 °C 10
1950s 0.0014 °C 0.0012 °C 0.0017 °C 10
1960s 0.0025 °C 0.0019 °C 0.0034 °C 10
1970s 0.0052 °C 0.0037 °C 0.0066 °C 10
1980s 0.007 °C 0.0066 °C 0.0074 °C 10
1990s 0.008 °C 0.0075 °C 0.0086 °C 10
2000s 0.0105 °C 0.0089 °C 0.0122 °C 10
2010s 0.014 °C 0.0125 °C 0.0157 °C 10
2020s 0.0169 °C 0.016 °C 0.0178 °C 5

Countries ranked near Iran

  1. 12 Ukraine 0.0228 °C compare
  2. 13 Mexico 0.022 °C compare
  3. 14 France 0.0218 °C compare
  4. 16 Poland 0.0178 °C compare
  5. 17 Nigeria 0.0173 °C compare
  6. 18 South Africa 0.0167 °C compare

See the full ranking of 215 places →

More reference data data for Iran

All data for Iran →

Frequently asked questions

What is contribution to global mean surface temperature rise in Iran?
Contribution to global mean surface temperature rise in Iran was 0.0178 °C in 2024, according to Jones et al. (2025) – with major processing by Our World in Data.
What is the highest contribution to global mean surface temperature rise recorded in Iran?
The highest recorded value was 0.0178 °C in 2024.
What is the lowest contribution to global mean surface temperature rise recorded in Iran?
The lowest recorded value was 0 °C in 1851.
How does Iran rank for contribution to global mean surface temperature rise?
Iran ranks 15th out of 215 countries with data for 2024.
Is contribution to global mean surface temperature rise rising or falling in Iran?
Over the last ten years it is up 29.3%. The long-run trend across the full record is volatile.
Where does this Iran data come from?
The figures come from Jones et al. (2025) – with major processing by Our World in Data, published as part of Contribution to global mean surface temperature rise. Statizoid updates them automatically from the source API.

Download this data

CSV · JSON — 174 observations, free to reuse under CC BY 4.0 (Our World in Data).

About this data

Indicator
Contribution to global mean surface temperature rise
Unit
°C
Source
Jones et al. (2025) – with major processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
215 places, 37,410 data points, 1851–2024
Last refreshed

Measured in °C.