Average annual surface temperature in Guinea-Bissau
Guinea-Bissau: Average annual surface temperature was 27.56 °C in 2025. ▲ Rising
Latest (2025)
27.56 °C
Change on year
down 2.0%
World rank
17th
of 193 countries
All-time high
28.12 °C
in 1998
All-time low
25.83 °C
in 1943
Years of data
86
1940–2025
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.
Average annual surface temperature in Guinea-Bissau, year by year
| Year | °C | Change |
|---|---|---|
| 1940 | 26.83 °C | — |
| 1941 | 27.25 °C | +1.6% |
| 1942 | 26.36 °C | -3.3% |
| 1943 | 25.83 °C | -2.0% |
| 1944 | 26.6 °C | +3.0% |
| 1945 | 26.9 °C | +1.1% |
| 1946 | 26.63 °C | -1.0% |
| 1947 | 26.78 °C | +0.6% |
| 1948 | 26.55 °C | -0.8% |
| 1949 | 26.69 °C | +0.5% |
| 1950 | 26.28 °C | -1.5% |
| 1951 | 26.39 °C | +0.4% |
| 1952 | 26.43 °C | +0.2% |
| 1953 | 26.96 °C | +2.0% |
| 1954 | 26.26 °C | -2.6% |
| 1955 | 26.48 °C | +0.8% |
| 1956 | 26.39 °C | -0.3% |
| 1957 | 26.45 °C | +0.2% |
| 1958 | 26.55 °C | +0.4% |
| 1959 | 26.51 °C | -0.2% |
| 1960 | 26.79 °C | +1.1% |
| 1961 | 26.79 °C | +0.0% |
| 1962 | 26.55 °C | -0.9% |
| 1963 | 27.01 °C | +1.7% |
| 1964 | 26.66 °C | -1.3% |
| 1965 | 26.44 °C | -0.8% |
| 1966 | 26.87 °C | +1.7% |
| 1967 | 26.36 °C | -1.9% |
| 1968 | 26.52 °C | +0.6% |
| 1969 | 27.12 °C | +2.3% |
| 1970 | 27 °C | -0.5% |
| 1971 | 26.58 °C | -1.5% |
| 1972 | 26.97 °C | +1.5% |
| 1973 | 27.09 °C | +0.5% |
| 1974 | 26.52 °C | -2.1% |
| 1975 | 26.58 °C | +0.2% |
| 1976 | 26.35 °C | -0.8% |
| 1977 | 27.05 °C | +2.6% |
| 1978 | 26.83 °C | -0.8% |
| 1979 | 27.13 °C | +1.1% |
| 1980 | 27.17 °C | +0.2% |
| 1981 | 27.11 °C | -0.2% |
| 1982 | 26.84 °C | -1.0% |
| 1983 | 27.42 °C | +2.2% |
| 1984 | 27.02 °C | -1.5% |
| 1985 | 27.01 °C | -0.0% |
| 1986 | 26.8 °C | -0.8% |
| 1987 | 27.49 °C | +2.6% |
| 1988 | 27.27 °C | -0.8% |
| 1989 | 27.16 °C | -0.4% |
| 1990 | 27.55 °C | +1.4% |
| 1991 | 27.41 °C | -0.5% |
| 1992 | 27.23 °C | -0.6% |
| 1993 | 27.42 °C | +0.7% |
| 1994 | 27.03 °C | -1.4% |
| 1995 | 27.71 °C | +2.5% |
| 1996 | 27.59 °C | -0.4% |
| 1997 | 27.59 °C | -0.0% |
| 1998 | 28.12 °C | +1.9% |
| 1999 | 27.3 °C | -2.9% |
| 2000 | 27.4 °C | +0.4% |
| 2001 | 27.56 °C | +0.6% |
| 2002 | 27.68 °C | +0.5% |
| 2003 | 27.55 °C | -0.5% |
| 2004 | 27.56 °C | +0.0% |
| 2005 | 27.89 °C | +1.2% |
| 2006 | 27.54 °C | -1.3% |
| 2007 | 27.57 °C | +0.1% |
| 2008 | 27.53 °C | -0.2% |
| 2009 | 27.29 °C | -0.9% |
| 2010 | 27.86 °C | +2.1% |
| 2011 | 27.51 °C | -1.3% |
| 2012 | 27.42 °C | -0.3% |
| 2013 | 27.4 °C | -0.1% |
| 2014 | 27.27 °C | -0.5% |
| 2015 | 27.34 °C | +0.2% |
| 2016 | 27.65 °C | +1.1% |
| 2017 | 27.76 °C | +0.4% |
| 2018 | 27.29 °C | -1.7% |
| 2019 | 27.78 °C | +1.8% |
| 2020 | 28.1 °C | +1.1% |
| 2021 | 28.06 °C | -0.1% |
| 2022 | 27.65 °C | -1.5% |
| 2023 | 27.95 °C | +1.1% |
| 2024 | 28.11 °C | +0.6% |
| 2025 | 27.56 °C | -2.0% |
Guinea-Bissau compared with similar countries
- Guinea-Bissau's 27.56 °C is above the median for low income countries, which is 26.29 °C, 1.0× the median. (25 countries reporting)
- Guinea-Bissau's 27.56 °C is above the median for Sub-Saharan Africa, which is 25.65 °C, 1.1× the median. (48 countries reporting)
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
- Emission Totals - Indirect emissions (N2O) - Manure applied to Soils 0.0583 (2050)
- Emission Totals - Indirect emissions (N2O) - Manure left on Pasture 0.3098 (2050)
- Emission Totals - Indirect emissions (N2O) - IPCC Agriculture 0.395 (2050)
- Emission Totals - Indirect emissions (N2O) - Crop Residues 0.0269 (2050)
- Emission Totals - Indirect emissions (N2O) - Agricultural Soils 0.395 (2050)
- Emission Totals - Emissions (N2O) - Manure applied to Soils 0.1955 (2050)
- Emission Totals - Emissions (N2O) - Manure Management 0.2346 (2050)
- Emission Totals - Emissions (N2O) - Manure left on Pasture 1.56 (2050)
- Emission Totals - Emissions (N2O) - IPCC Agriculture 2.15 (2050)
- Emission Totals - Emissions (N2O) - Crop Residues 0.1466 (2050)
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
Temperature of the air measured 2 meters above the ground, encompassing land, sea, and in-land water surfaces.