The climate of the Comoro Islands is tropical, with a hot and rainy season from December to April, and a relatively cool and dry season from May to November.

The warmest period is from January to April while the coolest months are July, August and September, when the average drops to around 23 °C (73 °F).
Here are the average temperatures in the capital, Moroni, located on the west coast of the island of Grande Comore.

Average climate chart for Moroni, Comoros
Average for Moroni