December weather forecastGros 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.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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: 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: 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: 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: 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: 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: 13h and 18min
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 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).
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: 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: 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: 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).





