Average annual surface temperature in Guinea-Bissau

Guinea-Bissau: Average annual surface temperature was 27.56 in 2025. ▲ Rising

Latest (2025)
27.56
Change on year
down 2.0%
World rank
17th
of 193 countries
All-time high
28.12
in 1998
All-time low
25.83
in 1943
Years of data
86
1940–2025

Average annual surface temperature in Guinea-Bissau, 1940–2025

0102030194019822025

Source: Our World in Data.

Analysis

Guinea-Bissau recorded 27.56 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 in 1998 and was at its lowest, 25.83, 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

Annual values for Average annual surface temperature in Guinea-Bissau, 1940 to 2025.
Year Value Change
1940 26.83 —
1941 27.25 +1.6%
1942 26.36 -3.3%
1943 25.83 -2.0%
1944 26.6 +3.0%
1945 26.9 +1.1%
1946 26.63 -1.0%
1947 26.78 +0.6%
1948 26.55 -0.8%
1949 26.69 +0.5%
1950 26.28 -1.5%
1951 26.39 +0.4%
1952 26.43 +0.2%
1953 26.96 +2.0%
1954 26.26 -2.6%
1955 26.48 +0.8%
1956 26.39 -0.3%
1957 26.45 +0.2%
1958 26.55 +0.4%
1959 26.51 -0.2%
1960 26.79 +1.1%
1961 26.79 +0.0%
1962 26.55 -0.9%
1963 27.01 +1.7%
1964 26.66 -1.3%
1965 26.44 -0.8%
1966 26.87 +1.7%
1967 26.36 -1.9%
1968 26.52 +0.6%
1969 27.12 +2.3%
1970 27 -0.5%
1971 26.58 -1.5%
1972 26.97 +1.5%
1973 27.09 +0.5%
1974 26.52 -2.1%
1975 26.58 +0.2%
1976 26.35 -0.8%
1977 27.05 +2.6%
1978 26.83 -0.8%
1979 27.13 +1.1%
1980 27.17 +0.2%
1981 27.11 -0.2%
1982 26.84 -1.0%
1983 27.42 +2.2%
1984 27.02 -1.5%
1985 27.01 -0.0%
1986 26.8 -0.8%
1987 27.49 +2.6%
1988 27.27 -0.8%
1989 27.16 -0.4%
1990 27.55 +1.4%
1991 27.41 -0.5%
1992 27.23 -0.6%
1993 27.42 +0.7%
1994 27.03 -1.4%
1995 27.71 +2.5%
1996 27.59 -0.4%
1997 27.59 -0.0%
1998 28.12 +1.9%
1999 27.3 -2.9%
2000 27.4 +0.4%
2001 27.56 +0.6%
2002 27.68 +0.5%
2003 27.55 -0.5%
2004 27.56 +0.0%
2005 27.89 +1.2%
2006 27.54 -1.3%
2007 27.57 +0.1%
2008 27.53 -0.2%
2009 27.29 -0.9%
2010 27.86 +2.1%
2011 27.51 -1.3%
2012 27.42 -0.3%
2013 27.4 -0.1%
2014 27.27 -0.5%
2015 27.34 +0.2%
2016 27.65 +1.1%
2017 27.76 +0.4%
2018 27.29 -1.7%
2019 27.78 +1.8%
2020 28.1 +1.1%
2021 28.06 -0.1%
2022 27.65 -1.5%
2023 27.95 +1.1%
2024 28.11 +0.6%
2025 27.56 -2.0%

Guinea-Bissau compared with similar countries

  • Guinea-Bissau's 27.56 is above the median for low income countries, which is 26.29, 1.0× the median. (25 countries reporting)
  • Guinea-Bissau's 27.56 is above the median for Sub-Saharan Africa, which is 25.65, 1.1× the median. (48 countries reporting)

Averages by decade

DecadeAverage LowestHighest Years
1940s 26.64 25.83 27.25 10
1950s 26.47 26.26 26.96 10
1960s 26.71 26.36 27.12 10
1970s 26.81 26.35 27.13 10
1980s 27.13 26.8 27.49 10
1990s 27.49 27.03 28.12 10
2000s 27.56 27.29 27.89 10
2010s 27.53 27.27 27.86 10
2020s 27.9 27.56 28.11 6

Countries ranked near Guinea-Bissau

  1. 14 Gambia 27.88 compare
  2. 15 Nigeria 27.78 compare
  3. 16 Sudan 27.76 compare
  4. 18 Cayman Islands 27.55 compare
  5. 19 Togo 27.49 compare
  6. 20 Eritrea 27.44 compare

See the full ranking of 193 places →

More reference data data for Guinea-Bissau

All data for Guinea-Bissau →

Frequently asked questions

What is average annual surface temperature in Guinea-Bissau?
Average annual surface temperature in Guinea-Bissau was 27.56 in 2025, according to Our World in Data.
What is the highest average annual surface temperature recorded in Guinea-Bissau?
The highest recorded value was 28.12 in 1998.
What is the lowest average annual surface temperature recorded in Guinea-Bissau?
The lowest recorded value was 25.83 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 Our World in Data, published as part of Average annual surface temperature. Statizoid updates them automatically from the source API.

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Average annual surface temperature in Guinea-Bissau. Statizoid, drawing on Our World in Data. Retrieved 14 November 2026, from https://reference.statizoid.com/stat/average-annual-surface-temperature/guinea-bissau/

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About this data

Indicator
Average annual surface temperature
Source
Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
193 places, 16,598 data points, 1940–2025
Last refreshed