Global warming: Contributions to the change in global mean surface temperature in Sierra Leone
Sierra Leone: Global warming: Contributions to the change in global mean surface temperature was 0.1% in 2024. ◆ Volatile
Global warming: Contributions to the change in global mean surface temperature in Sierra Leone, 1851–2024
Source: Jones et al. (2025) – with major processing by Our World in Data. Measured in %.
Analysis
In 2024, global warming: contributions to the change in global mean surface temperature in Sierra Leone stood at 0.1%.
Compared with earlier readings it is down 0.7% on the previous year and down 5.3% over ten years.
Over the whole period, global warming: contributions to the change in global mean surface temperature in Sierra Leone peaked at 1.0% in 1859 and was at its lowest, 0.1%, in 1999.
That places Sierra Leone 119th out of 215 countries with data for 2024, putting it in the middle of the range.
The series is highly variable year to year, so single readings are best treated with caution.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1850s | 1.0% | 0.9% | 1.0% | 9 |
| 1860s | 0.8% | 0.6% | 1.0% | 10 |
| 1870s | 0.5% | 0.4% | 0.6% | 10 |
| 1880s | 0.4% | 0.3% | 0.4% | 10 |
| 1890s | 0.3% | 0.2% | 0.3% | 10 |
| 1900s | 0.2% | 0.2% | 0.2% | 10 |
| 1910s | 0.2% | 0.1% | 0.2% | 10 |
| 1920s | 0.1% | 0.1% | 0.1% | 10 |
| 1930s | 0.1% | 0.1% | 0.1% | 10 |
| 1940s | 0.1% | 0.1% | 0.1% | 10 |
| 1950s | 0.1% | 0.1% | 0.1% | 10 |
| 1960s | 0.1% | 0.1% | 0.1% | 10 |
| 1970s | 0.1% | 0.1% | 0.1% | 10 |
| 1980s | 0.1% | 0.1% | 0.1% | 10 |
| 1990s | 0.1% | 0.1% | 0.1% | 10 |
| 2000s | 0.1% | 0.1% | 0.1% | 10 |
| 2010s | 0.1% | 0.1% | 0.1% | 10 |
| 2020s | 0.1% | 0.1% | 0.1% | 5 |
Countries ranked near Sierra Leone
More reference data data for Sierra Leone
- Spring temperature anomalies 0.1247 °C (2026)
- Summer temperature anomalies 0.8874 °C (2026)
- Temperature anomalies by month 0.2824 °C (2026)
- Universal right to vote in practice 2 (2025)
- Autumn temperature anomalies 0.1314 °C (2025)
- Winter temperature anomalies 0.1178 °C (2025)
- Consumer price index 771.75 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 global warming: contributions to the change in global mean surface temperature in Sierra Leone?
- Global warming: contributions to the change in global mean surface temperature in Sierra Leone was 0.1% in 2024, according to Jones et al. (2025) – with major processing by Our World in Data.
- What is the highest global warming: contributions to the change in global mean surface temperature recorded in Sierra Leone?
- The highest recorded value was 1.0% in 1859.
- What is the lowest global warming: contributions to the change in global mean surface temperature recorded in Sierra Leone?
- The lowest recorded value was 0.1% in 1999.
- How does Sierra Leone rank for global warming: contributions to the change in global mean surface temperature?
- Sierra Leone ranks 119th out of 215 countries with data for 2024.
- Is global warming: contributions to the change in global mean surface temperature rising or falling in Sierra Leone?
- Over the last ten years it is down 5.3%. The long-run trend across the full record is volatile.
- Where does this Sierra Leone data come from?
- The figures come from Jones et al. (2025) – with major processing by Our World in Data, published as part of Global warming: Contributions to the change in global mean surface temperature. 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
Measured as a percentage of the world's temperature change.