How warm is it in Grand Baie in December?

Daytime highs averaged 27.6 °C, night-time lows 25.8 °C. The highest value of the past 10 years was 29.8 °C (18 Dec 2019), the lowest 24.0 °C (3 Dec 2022).

How often does it rain in Grand Baie in December?

On average there were 11.7 rain days (at least 1 mm) with 51.3 mm of precipitation in total.

🇲🇺 Weather in Grand Baie in December

This is what the weather in Grand Baie (Mauritius) was like in December in 2016–2025.

Key facts at a glance

Prevailing weather: Sunny

Avg. daytime high

27.6 °C

26.9 °C – 28.4 °C

Avg. night-time low

25.8 °C

25.0 °C – 26.7 °C

Avg. rain days in period

11.7

38 % of days · ≥ 1.0 mm

Avg. precipitation in period

51.3 mm

16.6 mm – 106 mm

Avg. cloud cover

40 %

This data source has no sunshine hours – average cloud cover shown instead.

Avg. sea temperature

–

Sea temperature unavailable for today (daily limit).

Extremes: Highest temperature 29.8 °C (18 Dec 2019) · Lowest temperature 24.0 °C (3 Dec 2022) · Avg. daily peak wind 25 km/h

Weather mix of all days

109Sunny
78Partly cloudy
6Cloudy
88Light rain
29Rain

Summary

On average 27.6 °C during the day and 25.8 °C at night.
On average 11.7 rain days (Rain day = at least 1.0 mm of precipitation) with 51.3 mm of precipitation in total.
Prevailing: Sunny.
Warmest year: 2019 (avg. 28.4 °C), coolest: 2022 (avg. 26.9 °C).
Wettest year: 2023 (106 mm), driest: 2024 (16.6 mm).
Extremes: 29.8 °C on 18 Dec 2019 and 24.0 °C on 3 Dec 2022.

Overall values from all 10 years. How is this calculated?

Temperatures per year

Average over your travel period

Precipitation & rain days

Year by year

2025
Avg. max27.7°Avg. min26.0°
Rain days
18 Rain days
Precipitation
81.5 mm
Avg. cloud cover
47 % cloudy
Sea temperature
–
Max 28.5 °C · Min 25.3 °C
2024
Avg. max27.7°Avg. min25.7°
Rain days
5 Rain days
Precipitation
16.6 mm
Avg. cloud cover
28 % cloudy
Sea temperature
–
Max 28.6 °C · Min 24.8 °C
2023
Avg. max28.2°Avg. min26.5°
Rain days
15 Rain days
Precipitation
106 mm
Avg. cloud cover
50 % cloudy
Sea temperature
–
Max 29.5 °C · Min 25.3 °C
2022
Avg. max26.9°Avg. min25.0°
Rain days
6 Rain days
Precipitation
25.8 mm
Avg. cloud cover
29 % cloudy
Sea temperature
–
Max 27.7 °C · Min 24.0 °C
2021
Avg. max27.8°Avg. min25.9°
Rain days
13 Rain days
Precipitation
47.4 mm
Avg. cloud cover
44 % cloudy
Sea temperature
–
Max 28.7 °C · Min 25.2 °C
2020
Avg. max27.4°Avg. min25.6°
Rain days
15 Rain days
Precipitation
54.9 mm
Avg. cloud cover
38 % cloudy
Sea temperature
–
Max 28.6 °C · Min 24.7 °C
2019
Avg. max28.4°Avg. min26.7°
Rain days
16 Rain days
Precipitation
86.0 mm
Avg. cloud cover
46 % cloudy
Sea temperature
–
Max 29.8 °C · Min 25.2 °C
2018
Avg. max27.8°Avg. min26.0°
Rain days
14 Rain days
Precipitation
48.5 mm
Avg. cloud cover
35 % cloudy
Sea temperature
–
Max 29.1 °C · Min 24.8 °C
2017
Avg. max27.5°Avg. min25.7°
Rain days
7 Rain days
Precipitation
25.3 mm
Avg. cloud cover
33 % cloudy
Sea temperature
–
Max 28.4 °C · Min 24.6 °C
2016
Avg. max26.9°Avg. min25.0°
Rain days
8 Rain days
Precipitation
21.5 mm
Avg. cloud cover
51 % cloudy
Sea temperature
–
Max 28.0 °C · Min 24.3 °C

Frequently asked questions

How warm is it in Grand Baie in December?: Daytime highs averaged 27.6 °C, night-time lows 25.8 °C. The highest value of the past 10 years was 29.8 °C (18 Dec 2019), the lowest 24.0 °C (3 Dec 2022).
How often does it rain in Grand Baie in December?: On average there were 11.7 rain days (at least 1 mm) with 51.3 mm of precipitation in total.

Check your exact travel dates

Choose your travel period – we show the weather for exactly those days.

Data sources

Weather data: Data obtained from the NASA Langley Research Center (LaRC) POWER Project funded through the NASA Earth Science/Applied Science Program
Reanalysis (weather model constrained by observations) on a coarse grid of about 50 km. Values represent a large area and can differ from local conditions, especially on islands, coasts and in mountains. No sunshine duration.
Reanalysis (weather model constrained by observations)
Reanalysis values represent a grid cell (approx. 25–50 km) and may differ from local measurements on coasts, islands and in mountains.
Sea temperature: MUR SST data were provided by JPL under support by NASA MEaSUREs program; accessed via NOAA CoastWatch ERDDAP
Daily multi-scale ultra-high resolution (≈ 1 km) analysis of satellite measurements (infrared, microwave) and in-situ data. Represents the foundation temperature below the daily warm surface layer. (Satellite and in-situ analysis)
Place search: Natural Earth (public domain) · GeoNames (CC BY 4.0) / OpenStreetMap (ODbL)