Average annual surface temperature in Iran
Iran: Average annual surface temperature was 19.71 °C in 2025. ▲ Rising
Average annual surface temperature 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 19.71 °C for average annual surface temperature in 2025.
The figure is up 1.4% on the previous year and up 3.3% over ten years.
Over the whole period, average annual surface temperature in Iran peaked at 19.74 °C in 2021 and was at its lowest, 15.56 °C, in 1957.
That places Iran 120th out of 193 countries with data for 2025, putting it in the middle of the range.
The long-run direction has been consistently rising across the 86 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1940s | 17.14 °C | 15.99 °C | 18.17 °C | 10 |
| 1950s | 16.75 °C | 15.56 °C | 17.69 °C | 10 |
| 1960s | 16.98 °C | 16.08 °C | 17.85 °C | 10 |
| 1970s | 17.11 °C | 15.78 °C | 17.94 °C | 10 |
| 1980s | 16.91 °C | 15.86 °C | 17.62 °C | 10 |
| 1990s | 17.61 °C | 16.18 °C | 18.48 °C | 10 |
| 2000s | 18.47 °C | 18.12 °C | 19.02 °C | 10 |
| 2010s | 18.86 °C | 18.15 °C | 19.49 °C | 10 |
| 2020s | 19.41 °C | 18.34 °C | 19.74 °C | 6 |
Countries ranked near Iran
More reference data data for Iran
- Spring temperature anomalies 0.0713 °C (2026)
- Summer temperature anomalies 1.08 °C (2026)
- Temperature anomalies by month 0.2419 °C (2026)
- Universal right to vote in practice 0 (2025)
- Autumn temperature anomalies 1.27 °C (2025)
- Winter temperature anomalies 1.14 °C (2025)
- Consumer price index 4,030 2010 = 100 (2025)
- Universal right to vote 2 (2025)
- Competitive elections 0 (2025)
- Men's universal right to vote 1 (2025)
Frequently asked questions
- What is average annual surface temperature in Iran?
- Average annual surface temperature in Iran was 19.71 °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 average annual surface temperature recorded in Iran?
- The highest recorded value was 19.74 °C in 2021.
- What is the lowest average annual surface temperature recorded in Iran?
- The lowest recorded value was 15.56 °C in 1957.
- How does Iran rank for average annual surface temperature?
- Iran ranks 120th out of 193 countries with data for 2025.
- Is average annual surface temperature rising or falling in Iran?
- Over the last ten years it is up 3.3%. The long-run trend across the full record is rising.
- 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 Average annual surface temperature. 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
The temperature of the air measured 2 meters above the ground, encompassing land, sea, and in-land water surfaces.