Comoros — Sea Water Temperature and Annual Ranges
Up-to-date sea water temperatures for the coasts of Comoros. Learn about today’s conditions, monthly averages, and how the surrounding seas and oceans vary by season. We find every place where you can swim and show you the water temperature there today and throughout the year.
Sea Water Temperature Along the Coast
Chart of Average Temperature Changes Over the Last 60 Days
Places with the Warmest Sea Water Today
The Most Popular Seaside Places
Coastal Seas and Oceans
Water Temperature and Swimming Overview
Regions and Map
Water Temperature Trends
The Comoros archipelago enjoys warm Indian Ocean waters year-round, making its coasts attractive for swimming, snorkeling and diving. Sea-surface temperatures typically range from about 25–29 °C (77–84 °F) over the course of the year. The coolest period is usually in the austral winter, from June to September, when water temperatures average near 25–26 °C (77–79 °F). The warmest months fall in the late southern summer, roughly December to March, when seas commonly reach 28–29 °C (82–84 °F). Transitional months such as April–May and October–November tend to sit between those values, around 26–28 °C (79–82 °F). These mild variations mean the water rarely feels cold to most swimmers and suits both casual beach swimming and extended snorkeling sessions without the need for heavy thermal protection.
Swimming Conditions
Swimming is generally allowed and widely practiced around Comoros, supported by the warm temperatures and abundant coastal reefs and bays. However, conditions can change with the seasons: the rainy and cyclone-prone period from November to April brings heavier surf, stronger currents and occasional dangerous weather, so local advice and warnings should be heeded and swimming avoided during storms or when seas are rough. Many popular spots have coral and rocky areas where care is needed to avoid injury. Overall, calm, warm seas and good visibility provide excellent opportunities for sea swimming and marine activities for most of the year, provided visitors respect local safety guidance and seasonal weather patterns.