Decadal temperature anomalies in Iran
Iran: Decadal temperature anomalies was 0.5261 °C in 2010. ◆ Volatile
Decadal temperature anomalies in Iran, 1940–2010
Source: Contains modified Copernicus Climate Change Service information (2026) – with major processing by Our World in Data. Measured in °C.
Analysis
The most recent figure for decadal temperature anomalies in Iran is 0.5261 °C, measured in 2010. That is the highest value across all 8 years on record.
Compared with earlier readings it is up 285.8% over ten years.
Over the whole period, decadal temperature anomalies in Iran peaked at 0.5261 °C in 2010 and was at its lowest, -1.58 °C, in 1950.
That places Iran 16th out of 193 countries with data for 2010, putting it in the top 10%.
Decadal temperature anomalies in Iran, year by year
| Year | °C | Change |
|---|---|---|
| 1940 | -1.19 °C | — |
| 1950 | -1.58 °C | +32.6% |
| 1960 | -1.35 °C | -14.4% |
| 1970 | -1.23 °C | -9.2% |
| 1980 | -1.42 °C | +15.8% |
| 1990 | -0.7233 °C | -49.1% |
| 2000 | 0.1364 °C | -118.9% |
| 2010 | 0.5261 °C | +285.8% |
Iran compared with similar countries
- Iran's 0.5261 °C is above the median for upper middle income countries, which is 0.3413 °C, 1.5× the median. (50 countries reporting)
- Iran's 0.5261 °C is above the median for Middle East, North Africa, Afghanistan & Pakistan, which is 0.4434 °C, 1.2× the median. (22 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1940s | -1.19 °C | -1.19 °C | -1.19 °C | 1 |
| 1950s | -1.58 °C | -1.58 °C | -1.58 °C | 1 |
| 1960s | -1.35 °C | -1.35 °C | -1.35 °C | 1 |
| 1970s | -1.23 °C | -1.23 °C | -1.23 °C | 1 |
| 1980s | -1.42 °C | -1.42 °C | -1.42 °C | 1 |
| 1990s | -0.7233 °C | -0.7233 °C | -0.7233 °C | 1 |
| 2000s | 0.1364 °C | 0.1364 °C | 0.1364 °C | 1 |
| 2010s | 0.5261 °C | 0.5261 °C | 0.5261 °C | 1 |
Countries ranked near Iran
More climate change 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)
- 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)
Frequently asked questions
- What is decadal temperature anomalies in Iran?
- Decadal temperature anomalies in Iran was 0.5261 °C in 2010, according to Contains modified Copernicus Climate Change Service information (2026) – with major processing by Our World in Data.
- What is the highest decadal temperature anomalies recorded in Iran?
- The highest recorded value was 0.5261 °C in 2010.
- What is the lowest decadal temperature anomalies recorded in Iran?
- The lowest recorded value was -1.58 °C in 1950.
- How does Iran rank for decadal temperature anomalies?
- Iran ranks 16th out of 193 countries with data for 2010.
- Is decadal temperature anomalies rising or falling in Iran?
- Over the last ten years it is up 285.8%. 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 Decadal temperature anomalies. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 8 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Difference of a specific decade's average surface temperature from the 1991-2020 mean, in degrees Celsius.