December weather forecast
Rivière du Rempart, Mauritius

December

Weather in December

Rounding off the year, December continues November's warm weather pattern. With rainfall reaching 50mm (1.97"), it hints at the beginning of wetter months. However, the average high temperature ascends to 27.6°C (81.7°F), keeping the coastal city warm. Sea temperatures peak, indicating a lovely time for sea exploration. Meanwhile, the wind speed slightly increases compared to November, offering refreshing breezes across Rivière du Rempart.

Temperature

Rivière du Rempart marks the start of December with an average high-temperature of a still warm 27.6°C (81.7°F), hinting at a slight fluctuation from November's 26.3°C (79.3°F). Rivière du Rempart marks an average drop to a still moderately hot 25.2°C (77.4°F) during nighttime in December, following the high of the day.

Heat index

In December, the average heat index is calculated to be a tropical 30°C (86°F). Continued exposure and engagement in activity might trigger tiredness and subsequently heat cramps.
Heat index determinations are made taking into account the shade and light air movements. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.

Humidity

In December, the average relative humidity is 75%.

Rainfall

In Rivière du Rempart, in December, during 13.5 rainfall days, 50mm (1.97") of precipitation is typically accumulated. In Rivière du Rempart, during the entire year, the rain falls for 177.1 days and collects up to 480mm (18.9") of precipitation.

Sea temperature

In Rivière du Rempart, the average seawater temperature in December is 26.7°C (80.1°F).
Note: Water activities in temperatures ranging from 25°C (77°F) to 29°C (84.2°F) are pleasurable, without feeling uncomfortable even during extended periods.

Daylight

With an average of 13h and 18min of daylight, December has the longest days of the year.
On the first day of December, sunrise is at 05:20 and sunset at 18:36. On the last day of the month, sunrise is at 05:32 and sunset at 18:52 +04.

Sunshine

In Rivière du Rempart, the average sunshine in December is 10.3h.

UV index

The months with the highest UV index are January through April and December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 7 in December transforms into the following instructions:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Take caution! The UV rays from the Sun gain strength from sand and water reflections.

Frequently asked questions

What is the usual temperature for Rivière du Rempart in December?
In Rivière du Rempart, 27.6°C (81.7°F) is the average high-temperature and 25.2°C (77.4°F) is the average low-temperature during December. The average heat index (a.k.a. 'real feel', 'feels like'), which combines relative humidity and air temperature, in December is calculated to be 30°C (86°F).
What is the average humidity in December?
In Rivière du Rempart, the average relative humidity in December is 75%.
How much does it rain in December?
In Rivière du Rempart, Mauritius, in December, it is raining for 13.5 days, with typically 50mm (1.97") of accumulated precipitation.
What is the sea water temperature in December?
In Rivière du Rempart, the average seawater temperature in December is 26.7°C (80.1°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.
When are the longest days?
With an average of 13h and 18min of daylight, December has the longest days of the year.
How many hours of daylight does Rivière du Rempart have in December?
The average day length in December is 13h and 20min.
When are sunrise and sunset in December?
In December, on the first day of the month, sunrise is at 05:20 and sunset at 18:36. On the last day of the month, sunrise is at 05:32 and sunset at 18:52 +04.
How long on average sun shines in December?
In December, the average sunshine duration is 10.3h.
What are the months with the highest UV index?
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 Rivière du Rempart, the average daily maximum UV index in December is 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sea temperature
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December - Rivière du Rempart, Mauritius
Average temperature in December
Rivière du Rempart, 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).

Average pressure in December - Rivière du Rempart, Mauritius
Average pressure in December
Rivière du Rempart, 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).

Average wind speed in December - Rivière du Rempart, Mauritius
Average wind speed in December
Rivière du Rempart, 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).

Average humidity in December - Rivière du Rempart, Mauritius
Average humidity in December
Rivière du Rempart, 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%).

Average rainfall in December - Rivière du Rempart, Mauritius
Average rainfall in December
Rivière du Rempart, 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).

Average rainfall days in December - Rivière du Rempart, Mauritius
Average rainfall days in December
Rivière du Rempart, 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).

Average sea temperature in December - Rivière du Rempart, Mauritius
Average sea temperature in December
Rivière du Rempart, Mauritius
  • Average sea temperature in December: 26.7°C

The best month for swimming (with the highest average sea temperature) is March (28.5°C).
The coldest month (with the lowest average sea temperature) is September (23.4°C).

Average daylight in December / Average sunshine in December - Rivière du Rempart, Mauritius
Average daylight in December /
Average sunshine in December
Rivière du Rempart, 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 2min

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).

Average sunshine days in December - Rivière du Rempart, Mauritius
Average sunshine days in December
Rivière du Rempart, 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).

Average UV index in December - Rivière du Rempart, Mauritius
Average UV index in December
Rivière du Rempart, 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).

Average cloud cover in December - Rivière du Rempart, Mauritius
Average cloud cover in December
Rivière du Rempart, 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).

Average visibility in December - Rivière du Rempart, Mauritius
Average visibility in December
Rivière du Rempart, 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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