December weather forecast
Trou-aux-Biches, Mauritius

Weather in December

The first month of the summer, December, is still a warm month in Trou-aux-Biches, Mauritius, with an average temperature ranging between min 25.2°C (77.4°F) and max 27.6°C (81.7°F).

Temperature

In December, the average high-temperature is almost the same as in November - a still moderately hot 27.6°C (81.7°F). In December, the average low-temperature is 25.2°C (77.4°F).

Heat index

In December, the average heat index is evaluated at a tropical 30.5°C (86.9°F). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'feels like', 'apparent temperature', or 'real feel', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. Additional factors like activity, clothing, wind, and differences in body mass, height, and shape affect individual temperature impact. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

In December, the average relative humidity is 75%.

Rainfall

In December, in Trou-aux-Biches, the rain falls for 13.5 days. Throughout December, 50mm (1.97") of precipitation is accumulated. Throughout the year, there are 177.1 rainfall days, and 480mm (18.9") of precipitation is accumulated.

Sea temperature

In December, the average sea temperature is 27°C (80.6°F).
Note: For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

Daylight

December has the longest days of the year, with an average of 13h and 19min of daylight.
On the first day of December in Trou-aux-Biches, sunrise is at 05:21 and sunset at 18:36. On the last day of the month, sunrise is at 05:32 and sunset at 18:52 +04.

Sunshine

The average sunshine in December in Trou-aux-Biches is 10.3h.

UV index

January through April and December, with an average maximum UV index of 7, are months with the highest UV index in Trou-aux-Biches, Mauritius. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the average person.
Note: In December, the average maximum UV index of 7 translate into the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in December in Trou-aux-Biches?

The average high-temperature, in December, in Trou-aux-Biches, is 27.6°C (81.7°F), while the average low-temperature is 25.2°C (77.4°F). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines relative humidity and air temperature, in December is evaluated at 30.5°C (86.9°F).

What is the average humidity in December in Trou-aux-Biches?

In December, the average relative humidity in Trou-aux-Biches, Mauritius, is 75%.

How much does it rain in Trou-aux-Biches in December?

In Trou-aux-Biches, in December, during 13.5 rainfall days, 50mm (1.97") of precipitation is typically accumulated.

What is the water temperature in December in Trou-aux-Biches?

In Trou-aux-Biches, Mauritius, in December, the average water temperature is 27°C (80.6°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

When are the longest days in Trou-aux-Biches?

The month with the longest days in Trou-aux-Biches is December, with an average of 13h and 19min of daylight.

What is the average length of the day in December in Trou-aux-Biches?

In December, the average day length in Trou-aux-Biches is 13h and 19min.

When is the sunrise / sunset in December in Trou-aux-Biches?

In December, on the first day of the month, sunrise is at 05:21 and sunset at 18:36. On the last day of the month, in Trou-aux-Biches, sunrise is at 05:32 and sunset at 18:52 +04.

How long on average sun shines in December in Trou-aux-Biches?

In Trou-aux-Biches, the average sunshine duration in December is 10.3h.

What are the months with the highest UV index in Trou-aux-Biches?

The months with the highest UV index in Trou-aux-Biches, Mauritius, are January through April and December, with an average maximum UV index of 7.

What is the UV index intensity in December in Trou-aux-Biches?

In December, the average daily maximum UV index in Trou-aux-Biches is 7. A UV Index value of 6 to 7 symbolizes a high hazard to health from exposure to Sun's UV rays.

Average temperature in December
Trou-aux-Biches, Mauritius

Average temperature in December - Trou-aux-Biches, Mauritius
  • Average high temperature in December: 27.6°C

The warmest month (with the highest average high temperature) is February (28.6°C).
The month with the lowest average high temperature is August (23.5°C).

  • Average low temperature in December: 25.2°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
Trou-aux-Biches, Mauritius

Average pressure in December - Trou-aux-Biches, Mauritius
  • Average pressure in December: 1013.3mbar

The month with the highest atmospheric pressure is August (1021mbar).
The month with the lowest atmospheric pressure is February (1011.1mbar).

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Average wind speed in December
Trou-aux-Biches, Mauritius

Average wind speed in December - Trou-aux-Biches, Mauritius
  • Average wind speed in December: 17.5km/h

The windiest month (with the highest average wind speed) is August (23.6km/h).
The calmest month (with the lowest average wind speed) is November (17.1km/h).

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Average humidity in December
Trou-aux-Biches, Mauritius

Average humidity in December - Trou-aux-Biches, Mauritius
  • Average humidity in December: 75%

The months with the highest relative humidity are January, February and March (78%).
The months with the lowest relative humidity are August and September (73%).

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Average rainfall in December
Trou-aux-Biches, Mauritius

Average rainfall in December - Trou-aux-Biches, Mauritius
  • Average rainfall in December: 50mm

The wettest month (with the highest rainfall) is January (97mm).
The driest month (with the least rainfall) is September (8mm).

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Average rainfall days in December
Trou-aux-Biches, Mauritius

Average rainfall days in December - Trou-aux-Biches, Mauritius
  • Average rainfall days in December: 13.5 days

The month with the highest number of rainy days is March (20.8 days).
The months with the least rainy days are October and November (9.5 days).

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Average sea temperature in December
Trou-aux-Biches, Mauritius

Average sea temperature in December - Trou-aux-Biches, 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
Trou-aux-Biches, Mauritius

Average daylight in December / Average sunshine in December - Trou-aux-Biches, Mauritius
  • Average daylight in December: 13h and 19min

The month with the longest days is December (Average daylight: 13h and 19min).
The month with the shortest days is June (Average daylight: 10h and 56min).

  • Average sunshine in December: 10h and 18min

The month with the most sunshine is October (Average sunshine: 10h and 24min).
The month with the least sunshine is July (Average sunshine: 6h and 18min).

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Average sunshine days in December
Trou-aux-Biches, Mauritius

Average sunshine days in December - Trou-aux-Biches, Mauritius
  • Average sunshine days in December: 13.1 days

The month with the most sunshine days is October (17.4 days).
The month with the least sunshine days is February (5.2 days).

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Average UV index in December
Trou-aux-Biches, Mauritius

Average UV index in December - Trou-aux-Biches, 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
Trou-aux-Biches, Mauritius

Average cloud cover in December - Trou-aux-Biches, Mauritius
  • Average cloud cover in December: 39

The months with the most cloud cover are January and March (Cloud cover 44).
The month with the least cloud cover is May (Cloud cover 35).

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Average visibility in December
Trou-aux-Biches, Mauritius

Average visibility in December - Trou-aux-Biches, 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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