Climate guide for Grand Baie, Mauritius

Grand Baie in December

Weather, crowds & best time to visit

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December · Mauritius

Best time to visit Grand Baie in December Weather, crowds & prices

Weather in Grand Baie in December

Average temperature 27°C, 55 mm of rain, about 31 days with 6+ hours of sunshine and 76% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

December score

9.3/10

Ranked #5 of 12 months

Full year for Grand Baie
Avg temp
27°C
Rainfall
55 mm
Humidity
76%
Days with 6h+ sun
31
Crowd Density
Moderate Crowds
Average Expenses
$$$ · Peak Season Rates ($$$)

December in Grand Baie scores 9.3/10 for beach and coastal travel - an above-average month (#5 of 12). Expect around 27°C, 55 mm of rain, and roughly 31 days with 6+ hours of sunshine this month.

Grand Baie curves around a sheltered north-coast lagoon, with catamaran trips and restaurants along the waterfront.

December ranks 5th of 12 for Grand Baie — one of the best windows

December averages 27°C (80°F) and humidity near 76%, so the practical pattern is early mornings, a long midday break, and evenings back outside.

Rainfall runs 55 mm, so plan one flexible day in three; you still get about 31 days with 6+ hours of sunshine and 13.2 hours of daylight.

A 9.3/10 puts this among the year's best months in Grand Baie (5th of 12); only September scores higher, at 9.8/10.

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a packable rain layer.

Plan for peak pricing, with crowds are moderate.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Grand Baie in December?
In December, Grand Baie averages 27°C, 55 mm of rain, and about 31 days with 6+ hours of sunshine. Its climate-comfort score is 9.3/10.
Is December a good time to visit Grand Baie?
December earns a 9.3/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Grand Baie in December?
Expect about 55 mm of rain in December. Average humidity is 76% and there are about 31 days with 6+ hours of sunshine.

Curated in Grand Baie

Tickets & experiences

Things to do in Grand Baie

Grand Baie, Mauritius. Live activities and tours from GetYourGuide, matched to this destination.