On landfall, heavy monsoon rains lead to torrential downpours and flooding. The day was marred by atrocious, torrential, downpours and bitterly cold, windy weather. Daytime heating produces occasional thunderstorms with heavy but brief downpours. Thunderstorms occur somewhat frequently in the summer, occasionally bringing heavy downpours, damaging winds, and hail. The roads within Basankusu are non-metalled and prone to erosion from the frequent, torrential downpours. Summers are hot and humid, and downpours or freak thunderstorms often occur. Summers are hot and humid, and occasional downpours or freak thunderstorms can be expected. The mountain experiences occasional thunderstorms with some delivering intense, localized downpours. Summer thunderstorms are exceptionally rare, bringing short, heavy downpours. It rains irregularly between August and October, with frequent brief heavy downpours. A four-block reservoir, caused by torrential downpours, had formed behind it. Rainfall is experienced all year round, with summer storms providing occasional heavy downpours. These downpours often cause flash floods, which can turn deadly. The wet season features hot, humid days and nights and erratic downpours. Western and central Europe were also impacted by damaging winds and downpours.