Guinea vs Sierra Leone: Average annual surface temperature
Guinea
26.42
in 2025
Sierra Leone
26.31
in 2025
Guinea rank
40th
Sierra Leone rank
43rd
Average annual surface temperature over time
- Guinea
- Sierra Leone
How they compare
Guinea currently reports 26.42 against 26.31 in Sierra Leone, a difference of 0.11.
The two have swapped places 30 times across 86 shared years of data; in 1940 it was Guinea ahead.
Guinea ranks 40th and Sierra Leone ranks 43rd of 193 countries.
Across the 9 decades both report, Guinea averaged higher in 7 and Sierra Leone in 2.
Head to head by decade
| Decade | Guinea | Sierra Leone | Difference | Ahead |
|---|---|---|---|---|
| 1940s | 24.87 | 24.85 | 0.0207 | Guinea |
| 1950s | 24.83 | 24.84 | 0.009 | Sierra Leone |
| 1960s | 25.23 | 25.2 | 0.0307 | Guinea |
| 1970s | 25.35 | 25.38 | 0.0271 | Sierra Leone |
| 1980s | 25.68 | 25.63 | 0.047 | Guinea |
| 1990s | 25.73 | 25.53 | 0.197 | Guinea |
| 2000s | 25.95 | 25.67 | 0.2756 | Guinea |
| 2010s | 26.08 | 25.88 | 0.1965 | Guinea |
| 2020s | 26.56 | 26.42 | 0.1367 | Guinea |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher average annual surface temperature, Guinea or Sierra Leone?
- Guinea, at 26.42 against 26.31 in Sierra Leone as of 2025.
- What is the difference in average annual surface temperature between Guinea and Sierra Leone?
- 0.11, with Guinea ahead.
- How many years of comparable data are there for Guinea and Sierra Leone?
- 86 years are reported by both, from 1940 to 2025.
- How do Guinea and Sierra Leone rank globally for average annual surface temperature?
- Guinea ranks 40th and Sierra Leone ranks 43rd 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.