December weather forecastChemin Grenier, Mauritius
December
Weather in December
Progressing from November to December, the changes in weather variables are slight in Chemin Grenier. December encapsulates the wet season with high humidity, rainfall, and cloud cover dominating the scene. However, this does not hinder the city from experiencing increased daylight and savoring appreciable sunshine hours. The intensity of wind and average air pressure are at their lowest, painting a calm, serene climatic canvas. With rainfall reaching 72mm (2.83") over 18.3 days, December closes the year with a harmonious blend of weather elements in the heart of the wet season.Temperature
The advent of December brings an average high-temperature of a still warm 27.6°C (81.7°F), almost identical to the preceding month. During December, nights cool slightly to an average low of 24.7°C (76.5°F).Heat index
The heat index value for December is estimated at a tropical 30°C (86°F). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.Understanding the heat index involves considering values for shaded locales with light wind. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'feels like', reflects the blend of air temperature and relative humidity to give a temperature impression. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.
Humidity
In Chemin Grenier, the average relative humidity in December is 75%.Rainfall
In Chemin Grenier, during December, the rain falls for 18.3 days and regularly aggregates up to 72mm (2.83") of precipitation. In Chemin Grenier, during the entire year, the rain falls for 207.3 days and collects up to 645mm (25.39") of precipitation.Daylight
With an average of 13h and 24min of daylight, December has the longest days of the year.On the first day of the month, sunrise is at 05:20 and sunset at 18:37. On the last day of December, sunrise is at 05:32 and sunset at 18:53 +04.
Sunshine
The average sunshine in December is 10.1h.UV index
January through March and December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum UV index of 7 in December translates into the following recommendations:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full 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
Chemin Grenier, Mauritius
- Average high temperature in December: 27.6°C
The warmest month (with the highest average high temperature) is February (28.5°C).
The months with the lowest average high temperature are July and August (23.3°C).
- Average low temperature in December: 24.7°C
The month with the highest average low temperature is February (25.6°C).
The coldest month (with the lowest average low temperature) is August (20.7°C).
Average pressure in December
Chemin Grenier, 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
Chemin Grenier, Mauritius
- Average wind speed in December: 16.8km/h
The windiest month (with the highest average wind speed) is August (22.8km/h).
The calmest month (with the lowest average wind speed) is November (16.4km/h).
Average humidity in December
Chemin Grenier, 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
Chemin Grenier, Mauritius
- Average rainfall in December: 72mm
The wettest month (with the highest rainfall) is January (129mm).
The driest month (with the least rainfall) is September (12mm).
Average rainfall days in December
Chemin Grenier, Mauritius
- Average rainfall days in December: 18.3 days
The month with the highest number of rainy days is March (23.6 days).
The month with the least rainy days is October (12.2 days).
Average daylight in December /
Average sunshine in December
Chemin Grenier, Mauritius
- Average daylight in December: 13h and 24min
The month with the longest days is December (Average daylight: 13h and 24min).
The month with the shortest days is June (Average daylight: 10h and 54min).
- Average sunshine in December: 10h and 6min
The month with the most sunshine is October (Average sunshine: 10h and 12min).
The month with the least sunshine is July (Average sunshine: 6h and 12min).
Average sunshine days in December
Chemin Grenier, Mauritius
- Average sunshine days in December: 7.8 days
The month with the most sunshine days is October (11.8 days).
The month with the least sunshine days is February (3.2 days).
Average UV index in December
Chemin Grenier, Mauritius
- Average UV index in December: 7
The months with the highest UV index are January, February, March and December (UV index 7).
The months with the lowest UV index are April, May, June, July, August, September, October and November (UV index 6).
Average cloud cover in December
Chemin Grenier, Mauritius
- Average cloud cover in December: 41
The months with the most cloud cover are March and April (Cloud cover 45).
The month with the least cloud cover is September (Cloud cover 37).
Average visibility in December
Chemin Grenier, 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).
