Average annual surface temperature in Guinea-Bissau
Guinea-Bissau: Average annual surface temperature was 27.56 °C in 2025. ▲ Rising
Average annual surface temperature in Guinea-Bissau, 1940–2025
Source: Contains modified Copernicus Climate Change Service information (2026) – with major processing by Our World in Data. Measured in °C.
Analysis
Guinea-Bissau recorded 27.56 °C for average annual surface temperature in 2025.
The figure is down 2.0% on the previous year and up 0.8% over ten years.
Over the whole period, average annual surface temperature in Guinea-Bissau peaked at 28.12 °C in 1998 and was at its lowest, 25.83 °C, in 1943.
That places Guinea-Bissau 17th out of 193 countries with data for 2025, putting it in the top 10%.
The long-run direction has been consistently rising across the 86 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1940s | 26.64 °C | 25.83 °C | 27.25 °C | 10 |
| 1950s | 26.47 °C | 26.26 °C | 26.96 °C | 10 |
| 1960s | 26.71 °C | 26.36 °C | 27.12 °C | 10 |
| 1970s | 26.81 °C | 26.35 °C | 27.13 °C | 10 |
| 1980s | 27.13 °C | 26.8 °C | 27.49 °C | 10 |
| 1990s | 27.49 °C | 27.03 °C | 28.12 °C | 10 |
| 2000s | 27.56 °C | 27.29 °C | 27.89 °C | 10 |
| 2010s | 27.53 °C | 27.27 °C | 27.86 °C | 10 |
| 2020s | 27.9 °C | 27.56 °C | 28.11 °C | 6 |
Countries ranked near Guinea-Bissau
More reference data data for Guinea-Bissau
- Spring temperature anomalies 0.0461 °C (2026)
- Summer temperature anomalies 0.1951 °C (2026)
- Temperature anomalies by month 0.1558 °C (2026)
- Universal right to vote in practice 0 (2025)
- Autumn temperature anomalies -0.0727 °C (2025)
- Winter temperature anomalies -0.6203 °C (2025)
- Consumer price index 142.94 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 average annual surface temperature in Guinea-Bissau?
- Average annual surface temperature in Guinea-Bissau was 27.56 °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 average annual surface temperature recorded in Guinea-Bissau?
- The highest recorded value was 28.12 °C in 1998.
- What is the lowest average annual surface temperature recorded in Guinea-Bissau?
- The lowest recorded value was 25.83 °C in 1943.
- How does Guinea-Bissau rank for average annual surface temperature?
- Guinea-Bissau ranks 17th out of 193 countries with data for 2025.
- Is average annual surface temperature rising or falling in Guinea-Bissau?
- Over the last ten years it is up 0.8%. The long-run trend across the full record is rising.
- Where does this Guinea-Bissau 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 Average annual surface temperature. 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 temperature of the air measured 2 meters above the ground, encompassing land, sea, and in-land water surfaces.