December weather - Summer 2023 - Belle Mare, Mauritius

Weather in December
Frequently asked questions
Average temperature in December
Average pressure in December
Average wind speed in December
Average humidity in December
Average rainfall in December
Average rainfall days in December
Average sea temperature in December
Average daylight in December
Average sunshine in December
Average sunshine days in December
Average UV index in December
Average cloud cover in December
Average visibility in December

A raw coconut on the white sandy beach in Belle Mare, Mauritius, with clear water and rocks nearby

Weather in December

As the year wraps up in Belle Mare with December, the weather transitions significantly from that of November. Temperature elevations occur, peaking at an average high of 27.4°C. Rainfall patterns show a noticeable increase, signifying the nearing of a wetter phase after the more-balanced previous months. Despite the appearance of this impending change, December remains largely comfortable with ample periods of sunshine and steady breezes. With its combination of warmth and moisture, December offers a tropical end to the year in Belle Mare maintaining the city’s appeal to visitors.

Temperature

The onset of December in Belle Mare brings an average high-temperature of a still warm 27.4°C, nearly matching the November temperature. Belle Mare's nighttime temperatures in December settle close to daytime highs at an average of 25.1°C.

Heat index

The average heat index in December is appraised at a hot 30°C. Persistently participating in activities during exposure may lead to fatigue and induce heat cramps.
In reference to the heat index, it's for places in shade and with a slight wind. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', ties air temperature with relative humidity to produce the perceived temperature sensation. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.

Humidity

In December, the average relative humidity in Belle Mare is 76%.

Rainfall

In December, the rain falls for 17.1 days. Throughout December, 59mm of precipitation is accumulated. In Belle Mare, during the entire year, the rain falls for 200.8 days and collects up to 550mm of precipitation.

Sea temperature

In Belle Mare, Mauritius, in December, the average water temperature is 27°C.
Note: Surface water temperatures between 25°C and 29°C are perceived as excellent and extremely agreeable for enduring enjoyment in water activities.

Daylight

December has the longest days of the year in Belle Mare, with an average of 13h and 18min of daylight.
On the first day of the month, sunrise is at 05:19 and sunset at 18:35. On the last day of December, sunrise is at 05:31 and sunset at 18:51 +04.

Sunshine

In December, the average sunshine in Belle Mare is 10.2h.

UV index

January through April and December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: A typical high UV index of 7 in December suggests the following recommendations:
Deflect overexposure. Sun protection is a necessity. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Be attentive! The UV exposure is heightened with reflections from sand and water.

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FAQ

What is the usual temperature for Belle Mare in December?

The high-temperature, in December, in Belle Mare, is 27.4°C, while the low-temperature averages to 25.1°C. In December, the average heat index (a.k.a. 'real feel', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is appraised at 30°C.

What is the average humidity in December in Belle Mare?

In December, the average relative humidity in Belle Mare is 76%.

How many days does it rain in December in Belle Mare?

In Belle Mare, in December, during 17.1 rainfall days, 59mm of precipitation is typically accumulated.

What is the sea water temperature in December in Belle Mare?

In Belle Mare, Mauritius, in December, the average water temperature is 27°C. For swimming, diving, and other water activities, temperatures between 25°C and 29°C are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

When are the longest days in Belle Mare?

December has the longest days of the year in Belle Mare, with an average of 13h and 18min of daylight.

What is the average length of the day in December in Belle Mare?

In December, the average day length in Belle Mare, Mauritius, is 13h and 20min.

When is the sunrise / sunset in December in Belle Mare?

In December, on the first day of the month, sunrise is at 05:19 and sunset at 18:35. On the last day of the month, in Belle Mare, Mauritius, sunrise is at 05:31 and sunset at 18:51 +04.

How many hours of sunshine does Belle Mare have in December?

In Belle Mare, Mauritius, the average sunshine duration in December is 10.2h.

What is the month with the highest UV index in Belle Mare?

The months with the highest UV index are January through April and December, with an average maximum UV index of 7.

What is the UV index intensity in December in Belle Mare?

In December, the average daily maximum UV index in Belle Mare, Mauritius, is 7. A UV Index reading of 6 to 7 represents a high health threat from unprotected exposure to UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

25.8°C

27.4°C

27.9°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

18.3km/h

18.8km/h

19.5km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

11.2

17.1

Average sea temperature

Average daylight

Average sunshine

Average sunshine days

14.2

10.1

7.2

Average UV index

Average cloud cover

40%

44%

Average visibility

10km

Average temperature in December
Belle Mare, Mauritius

Average high temperature in December: 27.4°C

The warmest month (with the highest average high temperature) is February (28.2°C).
The month with the lowest average high temperature is August (22.9°C).

Average low temperature in December: 25.1°C

The month with the highest average low temperature is February (26°C).
The coldest month (with the lowest average low temperature) is August (21.3°C).

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Average pressure in December
Belle Mare, Mauritius

Average pressure in December: 1013.4mbar

The month with the highest atmospheric pressure is August (1021.2mbar).
The month with the lowest atmospheric pressure is February (1011.2mbar).

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Average wind speed in December
Belle Mare, Mauritius

Average wind speed in December: 18km/h

The windiest month (with the highest average wind speed) is August (24.3km/h).
The calmest month (with the lowest average wind speed) is November (17.7km/h).

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Average humidity in December
Belle Mare, Mauritius

Average humidity in December: 76%

The month with the highest relative humidity is February (79%).
The months with the lowest relative humidity are July, August and September (74%).

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Average rainfall in December
Belle Mare, Mauritius

Average rainfall in December: 59mm

The wettest month (with the highest rainfall) is February (105mm).
The driest month (with the least rainfall) is September (14mm).

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Average rainfall days in December
Belle Mare, Mauritius

Average rainfall days in December: 17.1 days

The month with the highest number of rainy days is March (21.8 days).
The month with the least rainy days is November (11.2 days).

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Average sea temperature in December
Belle Mare, Mauritius

Average sea temperature in December: 27°C

The best month for swimming (with the highest average sea temperature) is February (28°C).
The coldest months (with the lowest average sea temperature) are August and September (23°C).

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Average daylight in December /
Average sunshine in December
Belle Mare, Mauritius

Average daylight in December: 13h and 2min

The month with the longest days is December (Average daylight: 13h and 18min).
The month with the shortest days is June (Average daylight: 10h and 54min).

Average sunshine in December: 10h and 1min

The month with the most sunshine is October (Average sunshine: 10h and 18min).
The month with the least sunshine is July (Average sunshine: 6h and 6min).

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Average sunshine days in December
Belle Mare, Mauritius

Average sunshine days in December: 10.1 days

The month with the most sunshine days is November (14.2 days).
The month with the least sunshine days is February (4 days).

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Average UV index in December
Belle Mare, Mauritius

Average UV index in December: 7

The months with the highest UV index are January, February, March, April and December (UV index 7).
The months with the lowest UV index are May, June, July, August, September, October and November (UV index 6).

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Average cloud cover in December
Belle Mare, Mauritius

Average cloud cover in December: 40

The months with the most cloud cover are March and April (Cloud cover 45).
The months with the least cloud cover are September and October (Cloud cover 38).

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Average visibility in December
Belle Mare, Mauritius

Average visibility in December: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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December weather forecast
Belle Mare, Mauritius

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