Costa Rica vs Sierra Leone: Summer temperature anomalies
Costa Rica
0.8623 °C
in 2026
Sierra Leone
0.8874 °C
in 2026
Costa Rica rank
80th
Sierra Leone rank
77th
Summer temperature anomalies over time
- Costa Rica
- Sierra Leone
How they compare
Sierra Leone currently reports 0.8874 °C against 0.8623 °C in Costa Rica, a difference of 0.0251 °C.
The two have swapped places 27 times across 87 shared years of data; in 1940 it was Costa Rica ahead.
Costa Rica ranks 80th and Sierra Leone ranks 77th of 193 countries.
Across the 9 decades both report, Costa Rica averaged higher in 3 and Sierra Leone in 6.
Head to head by decade
| Decade | Costa Rica | Sierra Leone | Difference | Ahead |
|---|---|---|---|---|
| 1940s | -1.01 °C | -0.5806 °C | 0.4271 °C | Sierra Leone |
| 1950s | -0.4767 °C | -0.7354 °C | 0.2587 °C | Costa Rica |
| 1960s | -0.7047 °C | -0.4942 °C | 0.2105 °C | Sierra Leone |
| 1970s | -0.6475 °C | -0.1362 °C | 0.5112 °C | Sierra Leone |
| 1980s | -0.2275 °C | 0.0061 °C | 0.2336 °C | Sierra Leone |
| 1990s | -0.2768 °C | -0.0365 °C | 0.2403 °C | Sierra Leone |
| 2000s | -0.0819 °C | -0.149 °C | 0.0671 °C | Costa Rica |
| 2010s | 0.3237 °C | 0.1088 °C | 0.215 °C | Costa Rica |
| 2020s | 0.2032 °C | 0.682 °C | 0.4789 °C | Sierra Leone |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher summer temperature anomalies, Costa Rica or Sierra Leone?
- Sierra Leone, at 0.8874 °C against 0.8623 °C in Costa Rica as of 2026.
- What is the difference in summer temperature anomalies between Costa Rica and Sierra Leone?
- 0.0251 °C, with Sierra Leone ahead.
- How many years of comparable data are there for Costa Rica and Sierra Leone?
- 87 years are reported by both, from 1940 to 2026.
- How do Costa Rica and Sierra Leone rank globally for summer temperature anomalies?
- Costa Rica ranks 80th and Sierra Leone ranks 77th of 193 countries.
- Where does this data come from?
- Contains modified Copernicus Climate Change Service information (2026) – with major processing by Our World in Data, published as Summer temperature anomalies. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
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.