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Has the climate in Cacheu changed?

Cacheu has warmed about 1.6°F between 1991 and 2024.

About 0.5°F per decade, measured from Cacheu's official daily weather records, 1991–2024. Individual years still bounce around — some recent ones came in cool — but the long-term line has clearly risen.

Is that a lot? Cacheu's warming is broadly in line with other cities across Africa — neither unusually fast nor unusually slow.

What has actually changed

Each card compares the 1970s (the first ten years of the record) with recent years (the last ten) — the same span the headline and the chart use.

Average temperature
+1.1°F
1970s
80.3°F
Recent
81.4°F
A steady upward drift

Cacheu's temperature, year by year

Average temperature for each year from 1991 to 2024.

78°80°82°84°1991: 79.5°F1992: 79.6°F1993: 79.8°F1994: 80.0°F1995: 80.2°F1996: 80.4°F1997: 81.4°F1998: 81.1°F1999: 79.8°F2000: 80.2°F2002: 81.6°F2003: 81.2°F2004: 81.3°F2005: 82.7°F2006: 81.5°F2007: 82.2°F2008: 82.2°F2009: 80.8°F2010: 82.4°F2011: 80.6°F2012: 80.9°F2013: 81.0°F2014: 81.1°F2015: 80.7°F2016: 81.2°F2017: 81.4°F2018: 81.1°F2019: 81.7°F2020: 81.9°F2021: 82.4°F2022: 81.0°F2023: 81.5°F2024: 81.3°Flong-term trend19912000201020202024
a warmer-than-average year a cooler-than-average year

Each bar is one year. Most recent years sit above the older ones. Some recent years still came in cool — warming is a slope, not a straight climb.

Methodology & sources

Temperature — 1991–2020 normals computed from 29 years of daily observations at Ziguinchor, a weather station, about 34 km from the city centre. The underlying daily records come from NOAA's global station network.

How we build these numbers →