When Is Rainy Season Around the World?

Rainy season timing varies by region:

• South Asia: June–September (monsoon).
• Southeast Asia: May–October.
• West Africa: May–October; East Africa: Mar–May & Oct–Dec.
• Central America/Caribbean: May–November.
• South America: Highly variable; some areas year-round, others distinct wet/dry seasons.

In tropical/subtropical zones, it generally aligns with summer. Exact timing shifts annually due to climate variability.