Rwanda is preparing for an unusually wet September–December rainy season, with the national meteorological authority forecasting rainfall of between 300 millimetres and 1,000 millimetres across the country.
The forecast is above the 30-year average range of 279mm to 962mm, raising concerns over possible flooding, landslides, soil erosion and damage to infrastructure, while also offering potential benefits to agriculture and water supplies.
The anticipated rainfall is expected to vary across the country, with some areas potentially receiving particularly heavy downpours.
Meteorological authorities are urging communities, farmers and institutions to prepare early and remain alert to weather warnings as the season approaches.
Rwanda’s mountainous terrain makes the country particularly vulnerable to weather-related disasters.
Heavy and prolonged rainfall can saturate soils on steep slopes, increasing the likelihood of landslides that can damage homes, roads, farmland and other infrastructure.
Flooding is another major concern, especially in low-lying communities and areas located near rivers and drainage channels.
In urban centres, intense rainfall within a short period can overwhelm drainage systems, potentially disrupting transport, businesses and daily activities.
The expected rains could nevertheless provide important benefits to the agricultural sector.
Farmers depend heavily on seasonal rainfall for crop production, and adequate precipitation could improve soil moisture, water availability and crop growth.
However, meteorologists and agricultural authorities caution that the amount of rainfall alone will not determine its impact.
The timing, intensity and distribution of the rains will be equally important. Rain falling heavily over a short period can wash away fertile topsoil, damage crops and create conditions favourable for crop diseases.
Farmers are therefore encouraged to prepare their fields by strengthening erosion-control measures, maintaining drainage channels and selecting crops suited to expected local conditions.
Early planting and proper land management could help farmers make the most of the rains while reducing potential losses.
Authorities are also expected to intensify disaster preparedness measures in areas historically affected by floods and landslides.
Residents have been urged to avoid construction in high-risk zones, keep drainage systems clear and follow official weather and emergency warnings.
The Ministry in Charge of Emergency Management has repeatedly stressed the importance of avoiding settlement in areas that are unsuitable for construction because of disaster risks.
The forecast also highlights the growing importance of climate resilience in national planning.
Stronger drainage systems, safer urban development, resilient roads and improved early-warning systems will be increasingly important as extreme weather events place greater pressure on communities and infrastructure.
For Rwanda, the coming rainy season will therefore present both an opportunity and a challenge.
While plentiful rainfall could support food production and replenish water resources, excessive or poorly distributed rain could trigger significant disruption.
With rainfall potentially reaching 1,000mm, preparedness and early action will be critical.
The effectiveness of measures taken before and during the season could determine whether the heavy rains become a major boost for agriculture or a serious test for communities across the country.

