Decadal average surface temperature in Sierra Leone
Sierra Leone: Decadal average surface temperature was 25.88 °C in 2010. ▬ Flat
Decadal average surface temperature in Sierra Leone, 1940–2010
Source: Contains modified Copernicus Climate Change Service information (2026) – with major processing by Our World in Data. Measured in °C.
Analysis
Sierra Leone recorded 25.88 °C for decadal average surface temperature in 2010. That is the highest value across all 8 years on record.
The figure is up 0.8% over ten years.
Over the whole period, decadal average surface temperature in Sierra Leone peaked at 25.88 °C in 2010 and was at its lowest, 24.84 °C, in 1950.
That places Sierra Leone 47th out of 193 countries with data for 2010, putting it in the top quarter.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1940s | 24.85 °C | 24.85 °C | 24.85 °C | 1 |
| 1950s | 24.84 °C | 24.84 °C | 24.84 °C | 1 |
| 1960s | 25.2 °C | 25.2 °C | 25.2 °C | 1 |
| 1970s | 25.38 °C | 25.38 °C | 25.38 °C | 1 |
| 1980s | 25.63 °C | 25.63 °C | 25.63 °C | 1 |
| 1990s | 25.53 °C | 25.53 °C | 25.53 °C | 1 |
| 2000s | 25.67 °C | 25.67 °C | 25.67 °C | 1 |
| 2010s | 25.88 °C | 25.88 °C | 25.88 °C | 1 |
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 decadal average surface temperature in Sierra Leone?
- Decadal average surface temperature in Sierra Leone was 25.88 °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 average surface temperature recorded in Sierra Leone?
- The highest recorded value was 25.88 °C in 2010.
- What is the lowest decadal average surface temperature recorded in Sierra Leone?
- The lowest recorded value was 24.84 °C in 1950.
- How does Sierra Leone rank for decadal average surface temperature?
- Sierra Leone ranks 47th out of 193 countries with data for 2010.
- Is decadal average surface temperature rising or falling in Sierra Leone?
- Over the last ten years it is up 0.8%. The long-run trend across the full record is flat.
- Where does this Sierra Leone 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 average surface temperature. 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
The temperature of the air measured 2 meters above the ground, encompassing land, sea, and in-land water surfaces.