Guinea-Bissau vs Saint Helena: Annual temperature anomalies

Guinea-Bissau
0.0127 °C
in 2025
Saint Helena
0.0023 °C
in 2025
Guinea-Bissau rank
185th
Saint Helena rank
186th

Annual temperature anomalies over time

  • Guinea-Bissau
  • Saint Helena
-1.5-1-0.500.5194019822025

How they compare

Guinea-Bissau currently reports 0.0127 °C against 0.0023 °C in Saint Helena, a difference of 0.0104 °C.

That makes Guinea-Bissau's figure about 5.5 times Saint Helena's.

The two have swapped places 19 times across 86 shared years of data; in 1940 it was Saint Helena ahead.

Guinea-Bissau ranks 185th and Saint Helena ranks 186th of 193 countries.

Across the 9 decades both report, Guinea-Bissau averaged higher in 3 and Saint Helena in 6.

Head to head by decade

Decade Guinea-Bissau Saint Helena Difference Ahead
1940s -0.9031 °C -0.313 °C 0.5902 °C Saint Helena
1950s -1.08 °C -0.5205 °C 0.5555 °C Saint Helena
1960s -0.8346 °C -0.2691 °C 0.5655 °C Saint Helena
1970s -0.7345 °C -0.2312 °C 0.5032 °C Saint Helena
1980s -0.4142 °C -0.041 °C 0.3732 °C Saint Helena
1990s -0.0505 °C -0.1276 °C 0.0771 °C Guinea-Bissau
2000s 0.0128 °C -0.0122 °C 0.025 °C Guinea-Bissau
2010s -0.0169 °C 0.1111 °C 0.128 °C Saint Helena
2020s 0.3594 °C 0.2924 °C 0.067 °C Guinea-Bissau

Averages of every year both report within each decade.

Frequently asked questions

Which has higher annual temperature anomalies, Guinea-Bissau or Saint Helena?
Guinea-Bissau, at 0.0127 °C against 0.0023 °C in Saint Helena as of 2025.
What is the difference in annual temperature anomalies between Guinea-Bissau and Saint Helena?
0.0104 °C, with Guinea-Bissau ahead.
How many years of comparable data are there for Guinea-Bissau and Saint Helena?
86 years are reported by both, from 1940 to 2025.
How do Guinea-Bissau and Saint Helena rank globally for annual temperature anomalies?
Guinea-Bissau ranks 185th and Saint Helena ranks 186th 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 Annual temperature anomalies. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Individual pages

About this data

Indicator
Annual 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, 16,598 data points, 1940–2025
Last refreshed

The difference of a specific year's average surface temperature from the 1991-2020 mean, in degrees Celsius.