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Grand Baie Weather in May
Grand Baie in May sees high daytime temperatures of 27°C (81°F) and nighttime lows of 23°C (73°F). Moderate rainfall is typical, with around 45 mm (1.8 in) for the month.
Rainfall in Grand Baie in May
Climate statistics over the past 30 years suggest around 14 days of rain, with 45 mm (1.8 in) average for the month. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.
Temperature in Grand Baie in May
May is one of the better months to visit Grand Baie. Expect 27°C (81°F) during the day and 23°C (73°F) at night. Conditions stay fairly consistent through the month, making it easier to plan what to wear. With lows around 23°C (73°F), the nights are warm enough that a sheet is usually all you need for bedding.
Sunshine in Grand Baie in May
Expect a lot of sunshine this month, with about 250 hours of sun. These sunny conditions add to the overall experience.So this is a great month to visit if you prefer dry days with pleasant temperatures.
Grand Baie Temperature in May
Min Temperature
23°C (73°F)
Max Temperature
27°C (81°F)
Chance of Rain
47%
Precipitation
45 mm (1.8 in)
Rainy days
14 days
Sunshine
250 hours *
Percentage Sunshine
*
* Data from: Port Louis, Mauritius (18 KM, 11 Miles).
Grand Baie Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Grand Baie - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Grand Baie typically stay consistent throughout May, with daily highs averaging around 27°C (81°F). Nights are warm, with lows typically ranging from 19°C (66°F) to 21°C (70°F).
Average temperatures in May
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather records for Grand Baie in May
Browse day-by-day weather records for Grand Baie spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Grand Baie historical weather extremes in May
Based on 50 years of weather observations (1976-2026), these are the most extreme conditions recorded in Grand Baie.
- The warmest day in May was on May 17, 2023, with a maximum of 31°C (88°F).
- Grand Baie experienced its chilliest May day on May 14, 1990, reaching only 21°C (70°F).
- The coldest night in May in Grand Baie was on May 20, 2004, with a minimum of 14°C (57°F).
Best Places in Mauritius in May
Find out more about the weather in Mauritius and which places have the best travel conditions in this month. See all of Mauritius in May →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Grand Baie in May
Warm but pleasant conditions in Grand Baie in May. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Wet weather is likely, so pack waterproof gear for multiple rainy days. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
What To Do in Grand Baie in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming10/10 -
Cycling8/10 -
Walking8/10 -
Barbeque10/10 -
Camping10/10 -
Outdoor sports8/10
Grand Baie 3-Day Forecast
More climate data for Grand Baie
See the full Grand Baie climate overview or explore weather in Mauritius.
Popular in May
Where to go in May - average daytime high across popular destinations.
Port Maturin
27°C (81°F) Curepipe27°C (81°F) Port Louis27°C (81°F) Bel Ombre27°C (81°F) Grand Baie27°C (81°F) Port Mathurin27°C (81°F) Flic-en-Flac27°C (81°F) Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
You will never forget this unique sustainable hotel in Mauritius
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