Iran vs South Africa: Average annual surface temperature
Iran
19.71
in 2025
South Africa
18.35
in 2025
Iran rank
120th
South Africa rank
123rd
Average annual surface temperature over time
- Iran
- South Africa
How they compare
Iran currently reports 19.71 against 18.35 in South Africa, a difference of 1.36.
That makes Iran's figure about 1.1 times South Africa's.
The two have swapped places 29 times across 86 shared years of data; in 1940 it was South Africa ahead.
Iran ranks 120th and South Africa ranks 123rd of 193 countries.
Across the 9 decades both report, Iran averaged higher in 4 and South Africa in 5.
Head to head by decade
| Decade | Iran | South Africa | Difference | Ahead |
|---|---|---|---|---|
| 1940s | 17.14 | 17.13 | 0.0074 | Iran |
| 1950s | 16.75 | 17.19 | 0.4398 | South Africa |
| 1960s | 16.98 | 17.21 | 0.2339 | South Africa |
| 1970s | 17.11 | 17.12 | 0.0161 | South Africa |
| 1980s | 16.91 | 17.59 | 0.6839 | South Africa |
| 1990s | 17.61 | 17.64 | 0.0269 | South Africa |
| 2000s | 18.47 | 17.78 | 0.6886 | Iran |
| 2010s | 18.86 | 18.25 | 0.6068 | Iran |
| 2020s | 19.41 | 18.28 | 1.13 | Iran |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher average annual surface temperature, Iran or South Africa?
- Iran, at 19.71 against 18.35 in South Africa as of 2025.
- What is the difference in average annual surface temperature between Iran and South Africa?
- 1.36, with Iran ahead.
- How many years of comparable data are there for Iran and South Africa?
- 86 years are reported by both, from 1940 to 2025.
- How do Iran and South Africa rank globally for average annual surface temperature?
- Iran ranks 120th and South Africa ranks 123rd of 193 countries.
- Where does this data come from?
- Our World in Data, published as Average annual surface temperature. Statizoid refreshes it automatically from the source and publishes the full history for both places.