December weather forecast
Gros Cailloux, Mauritius

December

Weather in December

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

Temperature

The introduction of December sees an average high-temperature of a still warm 27.6°C (81.7°F), hardly deviating from November. Gros Cailloux experiences a steady nighttime temperature of 25.2°C (77.4°F) throughout the month of December.

Heat index

The heat index value for December is computed to be a hot 30°C (86°F). Ongoing exposure and activity could lead to a state of exhaustion, with a chance of heat cramps.
In terms of the heat index, values are set with light wind and shade conditions in mind. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', unifies temperature and humidity readings to offer a comprehensive feel of warmth. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are extremely significant for children. Young ones are generally more prone to risk than adults due to their reduced ability to sweat. Their large skin surface area relative to their diminutive bodies and elevated heat production from their activities further enhance this risk.

Humidity

In Gros Cailloux, the average relative humidity in December is 75%.

Rainfall

In Gros Cailloux, during December, the rain falls for 13.5 days and regularly aggregates up to 50mm (1.97") of precipitation. In Gros Cailloux, during the entire year, the rain falls for 177.1 days and collects up to 480mm (18.9") of precipitation.

Daylight

With an average of 13h and 18min of daylight, December has the longest days of the year in Gros Cailloux, Mauritius.
On the first day of December in Gros Cailloux, sunrise is at 05:21 and sunset at 18:37. On the last day of the month, sunrise is at 05:33 and sunset at 18:53 +04.

Sunshine

The average sunshine in December in Gros Cailloux 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 Gros Cailloux. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for average individuals.
Note: An average maximum UV index of 7 in December leads to these recommendations:
Deter overexposure. Protecting against the sun's effects is essential. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. Enhance your sun protection with tightly woven, yet airy clothing.

Frequently asked questions

What is the usual temperature for Gros Cailloux in December?
The average high-temperature and low-temperature in Gros Cailloux, Mauritius, during December are 27.6°C (81.7°F) and 25.2°C (77.4°F) respectively. The average heat index (a.k.a. 'real feel', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in December is computed to be 30°C (86°F).
What is the average humidity in December in Gros Cailloux?
In December, the average relative humidity in Gros Cailloux, Mauritius, is 75%.
How much does it rain in Gros Cailloux in December?
In Gros Cailloux, in December, during 13.5 rainfall days, 50mm (1.97") of precipitation is typically accumulated.
When are the longest days in Gros Cailloux?
With an average of 13h and 18min of daylight, December has the longest days of the year.
How many hours of daylight does Gros Cailloux have in December?
In Gros Cailloux, the average day length in December is 13h and 20min.
When are sunrise and sunset in December in Gros Cailloux?
On the first day of December in Gros Cailloux, Mauritius, sunrise is at 05:21 and sunset at 18:37. On the last day of the month, sunrise is at 05:33 and sunset at 18:53 +04.
How many hours of sunshine does Gros Cailloux have in December?
The average sunshine duration in December in Gros Cailloux is 10.3h.
What are the months with the highest UV index in Gros Cailloux?
The months with the highest UV index are January through April and December, with an average maximum UV index of 7.
How high is the UV index in December in Gros Cailloux?
In December, the average daily maximum UV index is 7. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December - Gros Cailloux, Mauritius
Average temperature in December
Gros Cailloux, 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 - Gros Cailloux, Mauritius
Average pressure in December
Gros Cailloux, 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 - Gros Cailloux, Mauritius
Average wind speed in December
Gros Cailloux, 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 - Gros Cailloux, Mauritius
Average humidity in December
Gros Cailloux, 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 - Gros Cailloux, Mauritius
Average rainfall in December
Gros Cailloux, 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 - Gros Cailloux, Mauritius
Average rainfall days in December
Gros Cailloux, 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 daylight in December / Average sunshine in December - Gros Cailloux, Mauritius
Average daylight in December /
Average sunshine in December
Gros Cailloux, 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 - Gros Cailloux, Mauritius
Average sunshine days in December
Gros Cailloux, 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 - Gros Cailloux, Mauritius
Average UV index in December
Gros Cailloux, 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 - Gros Cailloux, Mauritius
Average cloud cover in December
Gros Cailloux, 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 - Gros Cailloux, Mauritius
Average visibility in December
Gros Cailloux, 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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