High Season (Dec–Feb)
- Extremely humid; temperatures between 25°C and 33°C (5°C cooler in the interior).
- Peak cyclone months are January and February.
- Christmas–New Year causes spike in prices.
- December is one of the best months for diving and snorkelling.
Shoulder (Mar, Apr, Oct & Nov)
- Fewer visitors but temperatures still high.
- Cyclones rare but possible into April.
- Among the best months for diving visibility.
- Accommodation prices slightly lower than high season.
Low Season (May–Sep)
- Cooler temperatures of 18°C to 25°C, but still tropical.
- The worst months for diving and snorkelling due to rougher seas and poor visibility.
- European (particularly French) school holidays push prices up and availability down.
- Mauritius enjoys a typically tropical climate with year-round heat. The summer months are from December to April, when it can be extremely humid, and the cooler winter, such as it is, runs from May to November.
- Peak cyclone months are January and February, with cyclones possible until April.
- Coastal temperatures range between 25°C and 33°C in summer and between 18°C and 25°C in winter. On the plateau it will be some 5°C cooler.
- High season roughly runs from November to April, with a Christmas–New Year peak, though other factors (French school holidays, for example) can also cause spikes in prices and visitor numbers.