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Has the climate in Nalerigu changed?

Nalerigu has warmed about 0.6°F between 1994 and 2024.

About 0.4°F per decade, measured from Nalerigu's official daily weather records, 1994–2024. Individual years still bounce around — some recent ones came in cool — but the long-term line has clearly risen.

Is that a lot? Nalerigu's warming is broadly in line with other cities in Ghana — 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
+0.8°F
1970s
84.1°F
Recent
84.8°F
A steady upward drift

Nalerigu's temperature, year by year

Average temperature for each year from 1994 to 2024.

82°84°86°1994: 83.2°F1995: 83.8°F1998: 84.2°F2007: 85.0°F2009: 84.2°F2010: 85.4°F2011: 85.0°F2012: 84.4°F2013: 84.5°F2014: 85.1°F2017: 84.1°F2018: 84.1°F2019: 84.7°F2021: 85.2°F2022: 84.2°F2023: 85.1°F2024: 85.0°Flong-term trend199420102024
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 22 years of daily observations at Mango/sansanne, a weather station, about 93 km from the city centre. The underlying daily records come from NOAA's global station network.

How we build these numbers →