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Has the climate in Ol Kalou changed?

Ol Kalou has warmed about 1.5°F between 1991 and 2024.

About 0.5°F per decade, measured from Ol Kalou'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? Ol Kalou's warming is broadly in line with other cities in Kenya — 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
+1.0°F
1970s
65.1°F
Recent
66.1°F
A steady upward drift

Ol Kalou's temperature, year by year

Average temperature for each year from 1991 to 2024.

63°65°67°69°1991: 64.4°F1992: 64.5°F1993: 64.4°F1994: 65.2°F1995: 64.6°F1996: 64.2°F1997: 64.9°F1998: 65.3°F1999: 66.5°F2000: 66.7°F2001: 64.8°F2002: 66.0°F2003: 65.9°F2004: 66.6°F2005: 67.5°F2006: 67.0°F2007: 65.8°F2008: 66.3°F2009: 67.9°F2010: 65.0°F2011: 65.3°F2012: 64.6°F2013: 64.7°F2014: 65.5°F2015: 66.7°F2017: 66.3°F2018: 65.1°F2019: 66.5°F2020: 65.7°F2021: 66.0°F2022: 66.4°F2023: 66.9°F2024: 67.2°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 28 years of daily observations at Nakuru, a weather station, about 31 km from the city centre. The underlying daily records come from NOAA's global station network.

How we build these numbers →