Monthly Climate Bulletin May 2026
During May 2026, warm daytime conditions prevailed across several lowland areas of
Ethiopia, including the Gambella, Somali, southern, eastern, and central parts of the Afar
Region, the eastern part of the Benishangul-Gumuz Region, the southern and central parts
of the Amhara Region, and the northern part of the Tigray Region (Fig. 3.1.2).
On the other hand, Extreme minimum temperatures of less than 8°C were recorded across
various parts of the country, including the central and southern parts of the Amhara
Region, localized areas of southwestern Oromia, parts of the Somali Region, and the
Tigray Region.(Fig. 3.1.1).
In May 2026, the monthly rainfall amount exceeded 270 mm in several sections of
Amhara, as well as the western, east, and south parts of Oromia, with higher rainfall
episodes happening in the country's centeral part and west
Below-normal rainfall (0–75% of normal) prevailed over much of the eastern and
southeastern parts of the country, including most of the Somali Region, eastern and
southern Afar, eastern Oromia, and parts of eastern Amhara and Tigray.Near-normal
rainfall (75–125% of normal) was observed across broad areas of the central and
northwestern highlands, extending over parts of Amhara, Oromia, Benishangul-Gumuz,
and the Southern Ethiopia regionsIn contrast, above-normal rainfall (>125% of normal)
occurred in localized areas of the western and southwestern parts of the country,
particularly over parts of Gambella, western Oromia, Benishangul-Gumuz, and isolated
pockets of the central highlands and northwestern Ethiopia.
Overall, May 2026 was characterized by a pronounced west-to-east rainfall gradient, with
wetter-than-normal conditions confined mainly to western Ethiopia, while much of the
eastern and southeastern regions experienced substantial rainfall deficits.