SUMMARY
Climate forecasts from May to August 2026 indicate an increasing trend in rainfall amounts compared to the historical mean for 1980–2022 in both North and Far North Regions, which belong to the Sudano- Sahelian agro-ecological zone.
The effective onset of the rainy season is expected:
In the Sudano-Sahelian zone:

Rainfall is expected to effectively, gradually begin, in the Sudano-Sahelian Zone, during the:
• The first to the second dekad of May 2026 (4–14 May 2026), in the Mayo Rey and Faro Divisions.
• The second and third dekads of May 2026 (12–21 May 2026), in the Bénoué, Mayo Louti, Mayo Tsanaga, and in the southern part of the Diamaré Divisions.
• The third dekad of May to the first dekad of June 2026 (21 May – 1 June 2026), in the Mayo Kani, in the southern and central parts of Diamaré, and Mayo Sava and Mayo Danay Divisions.
• The second to the third dekad of June 2026 (12–22 June 2026), across the Logone and Chari Division, and in the northern part of Diamaré, Mayo Danay and Mayo Sava.