Autumn temperature anomalies in Sierra Leone
Sierra Leone: Autumn temperature anomalies was 0.1314 °C in 2025. ◆ Volatile
Autumn temperature anomalies in Sierra Leone, 1940–2025
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 autumn temperature anomalies in Sierra Leone is 0.1314 °C, measured in 2025.
Compared with earlier readings it is down 59.6% on the previous year and down 57.0% over ten years.
Over the whole period, autumn temperature anomalies in Sierra Leone peaked at 0.9684 °C in 2023 and was at its lowest, -1.46 °C, in 1943.
That places Sierra Leone 165th out of 193 countries with data for 2025, putting it in the bottom quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1940s | -0.997 °C | -1.46 °C | -0.601 °C | 10 |
| 1950s | -0.9899 °C | -1.42 °C | -0.4622 °C | 10 |
| 1960s | -0.8088 °C | -1.41 °C | -0.3656 °C | 10 |
| 1970s | -0.3704 °C | -0.8469 °C | 0.1866 °C | 10 |
| 1980s | -0.0756 °C | -0.4952 °C | 0.2937 °C | 10 |
| 1990s | -0.1325 °C | -0.4462 °C | 0.2052 °C | 10 |
| 2000s | -0.0226 °C | -0.252 °C | 0.3647 °C | 10 |
| 2010s | 0.1348 °C | -0.3977 °C | 0.6205 °C | 10 |
| 2020s | 0.394 °C | 0.0707 °C | 0.9684 °C | 6 |
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)
- 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)
- Elected parliament 1 (2025)
Frequently asked questions
- What is autumn temperature anomalies in Sierra Leone?
- Autumn temperature anomalies in Sierra Leone was 0.1314 °C in 2025, according to Contains modified Copernicus Climate Change Service information (2026) – with major processing by Our World in Data.
- What is the highest autumn temperature anomalies recorded in Sierra Leone?
- The highest recorded value was 0.9684 °C in 2023.
- What is the lowest autumn temperature anomalies recorded in Sierra Leone?
- The lowest recorded value was -1.46 °C in 1943.
- How does Sierra Leone rank for autumn temperature anomalies?
- Sierra Leone ranks 165th out of 193 countries with data for 2025.
- Is autumn temperature anomalies rising or falling in Sierra Leone?
- Over the last ten years it is down 57.0%. The long-run trend across the full record is volatile.
- 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 Autumn temperature anomalies. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 86 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
The difference in a specific month's average surface temperature from the mean temperature of the same month during the period 1991-2020, measured in degrees Celsius.