Grand Baie, Mauritius at a glance
- Best time
- Sep – Jun
- Warmest month
- Jan · 28°
- Warmest sea
- Feb · 28.1°
- Sunshine a year
- 3,110 h
- Rain a year
- 1,032 mm
- Climate
- Tropical
- Time zone
- UTC+4
- Elevation
- 10 m
Climate in Grand Baie, Mauritius
Grand Baie, Mauritius has a tropical climate: it is warm all year round, and the seasons differ mainly in how much rain falls. January is the warmest month with average highs of 28 °C, while July is the coolest at 23 °C. With around 3,110 hours of sunshine a year, Grand Baie, Mauritius is very sunny; December is the sunniest month with 10.0 hours a day.
Weather in October
Holiday weather in October
Excellent
Best time to visit: September – June
What is the weather like in Grand Baie, Mauritius in October?
In October, Grand Baie, Mauritius is warm: daytime highs average 25 °C, and even at night it stays warm at around 21 °C. The sea averages 24.2 °C – pleasant for swimming. With around 9 hours of sunshine a day, there is plenty of sun. Rain is frequent, with about 10 rainy days and 34 mm in total. The air is often humid and muggy. All in all, October is an excellent month for a holiday in Grand Baie, Mauritius.
More details for October
- Daylight
- 12 h 31 min05:40 – 18:11
- UV index
- 12 · extremeclear sky, noon (estimate)
- Muggy days
- 15 daysdew point 18 °C or more
- Wind
- 26 km/haverage daily peak
- Cloud cover
- 45 %on average
- Hot days
- 0 days30 °C or more
- Time zone
- UTC+4Indian/Mauritius
How the score comes together
- Temperatureweight 35 %100 %
- Seaweight 25 %100 %
- Sunshineweight 20 %100 %
- Few rainy daysweight 20 %56 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in October
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Insect repellent
- Rain jacket or umbrella
Sea temperature in Grand Baie, Mauritius
Monthly sea surface temperature with the range of cooler and warmer years.
8 in 10 years: 23.4 – 24.9 °C
Swimming season: All year
- cold
- fresh
- refreshing
- pleasant
- warm
- very warm
The sea temperature in Grand Baie, Mauritius ranges from 23.6 °C in August to 28.1 °C in February. At 20 °C and more, the sea is warm enough for swimming all year round.
The sea warms up slowly: it is warmest in February, while the air already peaks in January. From March to August the sea is even warmer than the afternoon air. The sea temperature varies from year to year: in February, eight out of ten years were between 27.1 and 28.7 °C.
| Month | Average | Cool year | Warm year | Feels |
|---|---|---|---|---|
| JanuaryJan | 27.7° | 26.9° | 28.3° | warm |
| FebruaryFeb | 28.1° | 27.1° | 28.7° | warm |
| MarchMar | 28.0° | 27.2° | 28.8° | warm |
| AprilApr | 27.5° | 26.9° | 28.3° | warm |
| MayMay | 26.7° | 26.1° | 27.3° | warm |
| JuneJun | 25.2° | 24.5° | 25.9° | pleasant |
| JulyJul | 24.1° | 23.3° | 24.9° | pleasant |
| AugustAug | 23.6° | 23.0° | 24.3° | pleasant |
| SeptemberSep | 23.7° | 23.0° | 24.5° | pleasant |
| OctoberOct | 24.2° | 23.4° | 24.9° | pleasant |
| NovemberNov | 25.4° | 24.7° | 26.2° | pleasant |
| DecemberDec | 26.9° | 26.2° | 27.9° | warm |
Sunshine hours in Grand Baie, Mauritius
Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.
In October, the sun shines for about 9.0 of 12.5 hours of daylight in Grand Baie, Mauritius, 72 % of the day.
Sunshine hours count the time with bright, direct sunshine (WMO definition, estimated from model data); daylight is the time from sunrise to sunset on the 15th of the month.
Rain in Grand Baie, Mauritius: rainy days and rainfall
A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.
In October, Grand Baie, Mauritius has about 10 rainy days with 34 mm of rain in total.
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Temperatures through the year
Average daytime high, night-time low and sea temperature per month.
| Month | Score | Day | Night | Sea | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|---|
| JanuaryJan | 79 | 28° | 25° | 27.7° | 8.8 h | 25 | 194 |
| FebruaryFeb | 79 | 28° | 25° | 28.1° | 8.7 h | 24 | 186 |
| MarchMar | 78 | 28° | 25° | 28.0° | 8.4 h | 23 | 149 |
| AprilApr | 78 | 27° | 24° | 27.5° | 8.4 h | 20 | 96 |
| MayMay | 81 | 26° | 23° | 26.7° | 8.0 h | 15 | 63 |
| JuneJun | 80 | 24° | 21° | 25.2° | 7.4 h | 11 | 38 |
| JulyJul | 72 | 23° | 20° | 24.1° | 7.4 h | 13 | 39 |
| AugustAug | 75 | 23° | 20° | 23.6° | 7.7 h | 11 | 38 |
| SeptemberSep | 81 | 24° | 20° | 23.7° | 8.6 h | 12 | 36 |
| OctoberOct | 91 | 25° | 21° | 24.2° | 9.0 h | 10 | 34 |
| NovemberNov | 87 | 27° | 23° | 25.4° | 9.7 h | 13 | 54 |
| DecemberDec | 80 | 28° | 24° | 26.9° | 10.0 h | 19 | 104 |
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, GeoNames (CC BY 4.0)
20.02° S, 57.58° E · 10 m · Indian/Mauritius
Best time to visit Grand Baie, Mauritius
The best time to visit Grand Baie, Mauritius is from September to June. For a beach holiday with the sea above 21 °C, go in June and from August to October. For sightseeing, day trips and hiking, conditions are most comfortable in June and from August to October. Rain is most frequent in July and from November to May; the wettest month is January with 194 mm.
Find your perfect month
Tell us what you like and we rate every month in Grand Baie, Mauritius for you.
Your best months: November – January
Based on the climate averages; tap a month to see its details.
Which month for what?
Beach & swimming
Jun, Aug – Oct
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
Jun, Aug – Oct
15–28 °C and not too much rain
Rainy months
Jul, Nov – May
12 or more rainy days
Grand Baie, Mauritius month by month
The typical weather for every month at a glance.
79January28° · Sea 28° · 9 h
In January, Grand Baie, Mauritius is hot: daytime highs average 28 °C, and even at night it stays warm at around 25 °C. The sea averages 27.7 °C – lovely and warm for swimming. The sun shines for around 9 hours a day. It is the rainy season: rain falls on about 25 days, totalling 194 mm. The air is often humid and muggy. All in all, January is a good month for a holiday in Grand Baie, Mauritius.
Grand Baie, Mauritius in January79February28° · Sea 28° · 9 h
In February, Grand Baie, Mauritius is hot: daytime highs average 28 °C, and even at night it stays warm at around 25 °C. The sea averages 28.1 °C – lovely and warm for swimming. The sun shines for around 9 hours a day. It is the rainy season: rain falls on about 24 days, totalling 186 mm. The air is often humid and muggy. All in all, February is a good month for a holiday in Grand Baie, Mauritius.
Grand Baie, Mauritius in February78March28° · Sea 28° · 8 h
In March, Grand Baie, Mauritius is hot: daytime highs average 28 °C, and even at night it stays warm at around 25 °C. The sea averages 28.0 °C – lovely and warm for swimming. The sun shines for around 8 hours a day. It is the rainy season: rain falls on about 23 days, totalling 149 mm. The air is often humid and muggy. All in all, March is a good month for a holiday in Grand Baie, Mauritius.
Grand Baie, Mauritius in March78April27° · Sea 28° · 8 h
In April, Grand Baie, Mauritius is hot: daytime highs average 27 °C, and even at night it stays warm at around 24 °C. The sea averages 27.5 °C – lovely and warm for swimming. The sun shines for around 8 hours a day. It is the rainy season: rain falls on about 20 days, totalling 96 mm. The air is often humid and muggy. All in all, April is a good month for a holiday in Grand Baie, Mauritius.
Grand Baie, Mauritius in April81May26° · Sea 27° · 8 h
In May, Grand Baie, Mauritius is warm: daytime highs average 26 °C, and even at night it stays warm at around 23 °C. The sea averages 26.7 °C – lovely and warm for swimming. The sun shines for around 8 hours a day. It is the rainy season: rain falls on about 15 days, totalling 63 mm. The air is often humid and muggy. All in all, May is an excellent month for a holiday in Grand Baie, Mauritius.
Grand Baie, Mauritius in May80June24° · Sea 25° · 7 h
In June, Grand Baie, Mauritius is warm: daytime highs average 24 °C, and even at night it stays warm at around 21 °C. The sea averages 25.2 °C – pleasant for swimming. The sun shines for around 7 hours a day. Rain is frequent, with about 11 rainy days and 38 mm in total. It is often windy, with gusts of around 28 km/h. All in all, June is an excellent month for a holiday in Grand Baie, Mauritius.
Grand Baie, Mauritius in June72July23° · Sea 24° · 7 h
In July, Grand Baie, Mauritius is warm: daytime highs average 23 °C, and even at night it stays warm at around 20 °C. The sea averages 24.1 °C – pleasant for swimming. The sun shines for around 7 hours a day. Rain is frequent, with about 13 rainy days and 39 mm in total. It is often windy, with gusts of around 29 km/h. All in all, July is a good month for a holiday in Grand Baie, Mauritius.
Grand Baie, Mauritius in July75August23° · Sea 24° · 8 h
In August, Grand Baie, Mauritius is warm: daytime highs average 23 °C, and even at night it stays warm at around 20 °C. The sea averages 23.6 °C – pleasant for swimming. The sun shines for around 8 hours a day. Rain is frequent, with about 11 rainy days and 38 mm in total. It is often windy, with gusts of around 29 km/h. All in all, August is a good month for a holiday in Grand Baie, Mauritius.
Grand Baie, Mauritius in August81September24° · Sea 24° · 9 h
In September, Grand Baie, Mauritius is warm: daytime highs average 24 °C, and even at night it stays warm at around 20 °C. The sea averages 23.7 °C – pleasant for swimming. The sun shines for around 9 hours a day. Rain is frequent, with about 12 rainy days and 36 mm in total. All in all, September is an excellent month for a holiday in Grand Baie, Mauritius.
Grand Baie, Mauritius in September91October25° · Sea 24° · 9 h
In October, Grand Baie, Mauritius is warm: daytime highs average 25 °C, and even at night it stays warm at around 21 °C. The sea averages 24.2 °C – pleasant for swimming. With around 9 hours of sunshine a day, there is plenty of sun. Rain is frequent, with about 10 rainy days and 34 mm in total. The air is often humid and muggy. All in all, October is an excellent month for a holiday in Grand Baie, Mauritius.
Grand Baie, Mauritius in October87November27° · Sea 25° · 10 h
In November, Grand Baie, Mauritius is warm: daytime highs average 27 °C, and even at night it stays warm at around 23 °C. The sea averages 25.4 °C – pleasant for swimming. With around 10 hours of sunshine a day, there is plenty of sun. Rain is frequent, with about 13 rainy days and 54 mm in total. The air is often humid and muggy. All in all, November is an excellent month for a holiday in Grand Baie, Mauritius.
Grand Baie, Mauritius in November80December28° · Sea 27° · 10 h
In December, Grand Baie, Mauritius is hot: daytime highs average 28 °C, and even at night it stays warm at around 24 °C. The sea averages 26.9 °C – lovely and warm for swimming. With around 10 hours of sunshine a day, there is plenty of sun. It is the rainy season: rain falls on about 19 days, totalling 104 mm. The air is often humid and muggy. All in all, December is an excellent month for a holiday in Grand Baie, Mauritius.
Grand Baie, Mauritius in DecemberPlanning a trip to Grand Baie, Mauritius
Getting there
Flying from
- Nonstop flight
- about 12 h 15 min
- Distance
- 9,740 km
- Time zone
- UTC+4
Most routes need a change of planes, which adds time.
Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.
Storm season
Grand Baie, Mauritius lies in an area that cyclones from the south-western Indian Ocean can reach. The cyclone season runs from November to April, with most storms from January to March. A direct hit on any one place is rare, but if you travel then, keep an eye on weather warnings and book flexibly.
- January: Peak
- February: Peak
- March: Peak
- April: Season
- May
- June
- July
- August
- September
- October
- November: Season
- December: Season
Official season dates of the regional warning centres (NOAA, JMA, IMD, Météo-France, BoM); not a forecast.
Frequently asked questions about Grand Baie, Mauritius
When is the best time to visit Grand Baie, Mauritius?
The best time to visit Grand Baie, Mauritius is from September to June. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
How warm is the sea in Grand Baie, Mauritius?
The sea temperature in Grand Baie, Mauritius ranges from 23.6 °C in August to 28.1 °C in February. At 20 °C and more, the sea is warm enough for swimming all year round.
Can you swim in Grand Baie, Mauritius in October?
Yes. In October the sea averages 24.2 °C – pleasant for swimming.
What is the warmest month in Grand Baie, Mauritius?
January is the warmest month, with average highs of 28 °C and nights around 25 °C. July is the coolest month at 23 °C.
When does it rain most in Grand Baie, Mauritius?
Rain is most frequent in July and from November to May; the wettest month is January with 194 mm. The driest month is October with 34 mm.
How many hours of sunshine does Grand Baie, Mauritius get?
Grand Baie, Mauritius gets around 3,110 hours of sunshine a year. The sunniest month is December with 10.0 hours a day; in June there are 7.4 hours a day.
What time zone is Grand Baie, Mauritius in?
Grand Baie, Mauritius uses the time zone Indian/Mauritius, at UTC+4 all year.
How long is the flight from London to Grand Baie, Mauritius?
A nonstop flight from London to Grand Baie, Mauritius takes about 12 h 15 min, for a straight-line distance of about 9,740 km. Most routes need a change of planes, which adds time.
When is cyclone season in Grand Baie, Mauritius?
Grand Baie, Mauritius lies in an area that cyclones from the south-western Indian Ocean can reach. The cyclone season runs from November to April, with most storms from January to March. A direct hit on any one place is rare, but if you travel then, keep an eye on weather warnings and book flexibly.
Near Grand Baie, Mauritius
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