Month by month
| Month | Afternoon | Sea | Rain | Verdict |
|---|---|---|---|---|
| January | 29 °C | 28 °C | 22 days | Unfavourable season |
| February | 29 °C | 28.2 °C | 19 days | Unfavourable season |
| March | 29.1 °C | 28.3 °C | 20 days | Unfavourable season |
| April | 28.3 °C | 27.9 °C | 16 days | Possible, with trade-offs |
| May | 27 °C | 26.8 °C | 8 days | Ideal — one of the best times of year |
| June | 25.5 °C | 25.4 °C | 6 days | Ideal — one of the best times of year |
| July | 24.9 °C | 24.4 °C | 7 days | Ideal — one of the best times of year |
| August | 25.1 °C | 24 °C | 7 days | Ideal — one of the best times of year |
| September | 25.7 °C | 24.1 °C | 6 days | Ideal — one of the best times of year |
| October | 26.9 °C | 24.7 °C | 9 days | Ideal — one of the best times of year |
| November | 28.1 °C | 25.9 °C | 10 days | Ideal — one of the best times of year |
| December | 29.1 °C | 27.3 °C | 17 days | Possible, with trade-offs |
Nearby in May
Before you go
Three things to check once you have picked your dates.
Entry
No visa needed for stays of up to 60 days. Passport valid until your return date. Visa-free up to 60 days; fill in the Mauritius All in One travel form online before arrival; proof of onward or return travel required.
For a British passport, per the UK Foreign Office on 4 September 2026. Rules change: check before booking.
Safety
No specific restrictions
Usual precautions apply.
Official advice updated 4 September 2026
Health
CDC level 2 notice: Chikungunya
Vaccines · typhoid recommended for most travellers; hepatitis A and hepatitis B if you are not already vaccinated; chikungunya depending on activities and areas visited. Routine vaccines up to date (measles in particular).
Yellow fever · No yellow fever locally, vaccine not recommended. No entry requirement.
Malaria · None.
Mosquitoes · dengue reported: protect yourself from bites.
Per the CDC (page reviewed 25 August 2026); see a travel clinic a few weeks before departure.
Beau Fixe is not a safety or health authority. These notes summarise dated public texts and link to their source: France Diplomatie (Licence Ouverte 2.0), Foreign, Commonwealth & Development Office (gov.uk, Open Government Licence v3.0), Centers for Disease Control and Prevention (Source: CDC). Only the competent authorities are authoritative.
FAQ
Can you swim in Grand Baie in May?
The sea averages 26.8°C in May — yes, pleasant swimming.
How hot is Grand Baie in May?
Expect 27°C in the afternoon and 22.6°C at night, averaged over the last 10 years.
Does it rain a lot in Grand Baie in May?
Around 8 days with rain (≥ 1 mm) in the month — 26% of days.