Decadal temperature anomalies in Sierra Leone

Sierra Leone: Decadal temperature anomalies was 0.1606 °C in 2010. ◆ Volatile

Latest (2010)
0.1606 °C
World rank
154th
of 193 countries
All-time high
0.1606 °C
in 2010
All-time low
-0.8792 °C
in 1950
Years of data
8
1940–2010

Decadal temperature anomalies in Sierra Leone, 1940–2010

-1-0.75-0.5-0.2500.251940197520101940: -0.871 °C1950: -0.879 °C1960: -0.522 °C1970: -0.343 °C1980: -0.092 °C1990: -0.192 °C2000: -0.05 °C2010: 0.161 °C

Source: Contains modified Copernicus Climate Change Service information (2026) – with major processing by Our World in Data. Measured in °C.

Analysis

In 2010, decadal temperature anomalies in Sierra Leone stood at 0.1606 °C. That is the highest value across all 8 years on record.

The figure is up 424.1% over ten years.

Over the whole period, decadal temperature anomalies in Sierra Leone peaked at 0.1606 °C in 2010 and was at its lowest, -0.8792 °C, in 1950.

Sierra Leone ranks 154th of 193 countries on this measure, in the bottom quarter.

Decadal temperature anomalies in Sierra Leone, year by year

Annual values for Decadal temperature anomalies in Sierra Leone, 1940 to 2010.
Year °C Change
1940 -0.8707 °C
1950 -0.8792 °C +1.0%
1960 -0.5216 °C -40.7%
1970 -0.3432 °C -34.2%
1980 -0.0915 °C -73.3%
1990 -0.1922 °C +110.0%
2000 -0.0495 °C -74.2%
2010 0.1606 °C -424.1%

Sierra Leone compared with similar countries

  • Sierra Leone's 0.1606 °C is below the median for low income countries, which is 0.2757 °C, 58% of the median. (25 countries reporting)
  • Sierra Leone's 0.1606 °C is below the median for Sub-Saharan Africa, which is 0.2716 °C, 59% of the median. (48 countries reporting)

Averages by decade

DecadeAverage LowestHighest Years
1940s -0.8707 °C -0.8707 °C -0.8707 °C 1
1950s -0.8792 °C -0.8792 °C -0.8792 °C 1
1960s -0.5216 °C -0.5216 °C -0.5216 °C 1
1970s -0.3432 °C -0.3432 °C -0.3432 °C 1
1980s -0.0915 °C -0.0915 °C -0.0915 °C 1
1990s -0.1922 °C -0.1922 °C -0.1922 °C 1
2000s -0.0495 °C -0.0495 °C -0.0495 °C 1
2010s 0.1606 °C 0.1606 °C 0.1606 °C 1

Countries ranked near Sierra Leone

  1. 151 Kyrgyzstan 0.1676 °C compare
  2. 152 South Korea 0.1649 °C compare
  3. 153 Somalia 0.1631 °C compare
  4. 155 Kazakhstan 0.1597 °C compare
  5. 156 Cayman Islands 0.1577 °C compare
  6. 157 Nepal 0.1577 °C compare

See the full ranking of 193 places →

More climate change data for Sierra Leone

All data for Sierra Leone →

Frequently asked questions

What is decadal temperature anomalies in Sierra Leone?
Decadal temperature anomalies in Sierra Leone was 0.1606 °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 temperature anomalies recorded in Sierra Leone?
The highest recorded value was 0.1606 °C in 2010.
What is the lowest decadal temperature anomalies recorded in Sierra Leone?
The lowest recorded value was -0.8792 °C in 1950.
How does Sierra Leone rank for decadal temperature anomalies?
Sierra Leone ranks 154th out of 193 countries with data for 2010.
Is decadal temperature anomalies rising or falling in Sierra Leone?
Over the last ten years it is up 424.1%. 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 Decadal temperature anomalies. Statizoid updates them automatically from the source API.

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CSV · JSON — 8 observations, free to reuse under CC BY 4.0 (Our World in Data).

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Decadal temperature anomalies in Sierra Leone. Statizoid, drawing on Contains modified Copernicus Climate Change Service information (2026) – with major processing by Our World in Data. Retrieved 22 September 2026, from https://climate.statizoid.com/stat/decadal-temperature-anomaly/sierra-leone/

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<a href="https://climate.statizoid.com/stat/decadal-temperature-anomaly/sierra-leone/">Decadal temperature anomalies in Sierra Leone</a> — Statizoid

About this data

Indicator
Decadal temperature anomalies
Unit
°C
Source
Contains modified Copernicus Climate Change Service information (2026) – with major processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
193 places, 1,544 data points, 1940–2010
Last refreshed

Difference of a specific decade's average surface temperature from the 1991-2020 mean, in degrees Celsius.