Country: World Source: Famine Early Warning System Network Please refer to the attached file. Key Messages The ITF (Intertropical Front) continued its northward migration over the region. March through May total rainfall is mostly average to above-average in the bimodal areas. The 2026 rainy season is gradually starting over the Sudano-Guinean zone of West Africa. Climate model forecasts indicate high chances of above-normal temperatures and mixed rainfall conditions across West Africa during the June to September rainy season. Update on Seasonal Progress The ITF northward migration started in early March and is now positioned between 13. 5° and 14. 9° north from 11th to 20th May. This was approximately 0. 4° to 1. 3° north of its climatological average over the whole region. However, during the second dekad of May, the ITF shifted southward compared to its previous position in the western half of the region (Figure 1). Most areas in the Gulf of Guinea countries have received up to 300 mm of rainfall, while bimodal areas have received between 300 mm and more than 600 mm. However, rainfall totals remain below 75 mm in the Sahelian band, as the season is starting there (Figure 2).
World: West Africa Seasonal Monitor: Season begins normally with mostly average to above-average rainfall in bimodal areas, June 4, 2026
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