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This study aims to assess temperature and rainfall trends affecting Coffea arabica cultivation from 1990 to 2022.

June 3, 2026Scientific ReportsOpen Access

Spatiotemporal trends in temperature and rainfall within the coffea arabica landscapes of Gimbo and Decha districts in the Kafa Zone, Southwest Ethiopia

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Randomized trial evaluates climatic changes impacting Coffea arabica in Ethiopia, highlighting adaptation needs.

This study aims to assess temperature and rainfall trends affecting Coffea arabica cultivation from 1990 to 2022.
Analyzed historical records from ten meteorological stations alongside CHIRPS and ERA5-Land datasets.
Utilized Mann-Kendall test, Sen’s slope estimator, Innovative Trend Analysis, and spatial interpolation techniques.
Evaluated annual mean temperatures and rainfall distribution focusing on seasonal climatic shifts.
Annual mean temperatures increased by +0.02°C year⁻ 1 (p < 0.001), indicating significant warming.
Annual rainfall showed a slight upward trend at +2.69 mm year⁻ 1 (p = 0.016), yet with highly concentrated seasonal patterns.
Spatial variations revealed warmer southern areas contrasted with cooler northern regions, indicating microclimatic gradients.

Amsalu et al. (2026) studied this question.

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