December weather forecastGrand Sable, Mauritius
December
Weather in December
December, the first month of the summer in Grand Sable, is also a moderately hot month, with an average temperature fluctuating between 27.4°C (81.3°F) and 25.1°C (77.2°F).Temperature
Grand Sable experiences an average high-temperature of a still warm 27.4°C (81.3°F) in December, marking an insignificant shift from 25.8°C (78.4°F) in November. Grand Sable indicates a consistently low-temperature of 25.1°C (77.2°F) during the nights of December.Heat index
In December, the average heat index is evaluated at a hot 30°C (86°F). Long-standing exposure and activity could induce a feeling of tiredness and lead to heat cramps.Take note of the fact that heat index values are based on shaded circumstances with light airflows. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a metric representing the sensation of warmth when air temperature and moisture come together. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.
Humidity
In December, the average relative humidity is 76%.Rainfall
In Grand Sable, in December, it is raining for 17.1 days, with typically 59mm (2.32") of accumulated precipitation. In Grand Sable, during the entire year, the rain falls for 200.8 days and collects up to 550mm (21.65") of precipitation.Sea temperature
In Grand Sable, in December, the average water temperature is 26.7°C (80.1°F).Note: For swimming, diving, and enjoying other water activities, the range of 25°C (77°F) to 29°C (84.2°F) in water temperature is considered ideal, offering pleasure for extended periods without discomfort.
Daylight
The month with the longest days in Grand Sable is December, with an average of 13h and 18min of daylight.On the first day of the month, sunrise is at 05:19 and sunset at 18:36. On the last day of December, in Grand Sable, sunrise is at 05:31 and sunset at 18:52 +04.
Sunshine
The average sunshine in December in Grand Sable 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 of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for average individuals.Note: A maximum high daily UV index of 7 during December translates into the following directions:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Be attentive! The UV exposure is heightened with reflections from sand and water.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Grand Sable, 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).
Average pressure in December
Grand Sable, 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).
Average wind speed in December
Grand Sable, 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).
Average humidity in December
Grand Sable, 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%).
Average rainfall in December
Grand Sable, 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).
Average rainfall days in December
Grand Sable, 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).
Average sea temperature in December
Grand Sable, 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
Grand Sable, 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 12min
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).
Average sunshine days in December
Grand Sable, 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).
Average UV index in December
Grand Sable, 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
Grand Sable, 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).
Average visibility in December
Grand Sable, 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).
