December weather forecastLa Source, Mauritius
December
Weather in December
December, the first month of the summer in La Source, is also a moderately hot month, with an average temperature varying between 24.7°C (76.5°F) and 27.6°C (81.7°F).Temperature
The beginning of December records an average high-temperature of a still warm 27.6°C (81.7°F), almost echoing the conditions of the previous month. La Source's average nighttime temperature in December modestly descends to a still moderately hot 24.7°C (76.5°F).Heat index
The heat index value during December is computed to be a hot 30°C (86°F). Long-lasting exposure and activity potentially induce a sense of weariness, with the risk of heat cramps.Factoring in the heat index, values are geared towards shaded areas with light breezes. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'feels like', gives an indication of how one might feel in terms of heat after considering humidity. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
Humidity
The average relative humidity in December is 75%.Rainfall
In La Source, in December, during 18.3 rainfall days, 70mm (2.76") of precipitation is typically accumulated. Throughout the year, there are 208.5 rainfall days, and 646mm (25.43") of precipitation is accumulated.Daylight
The month with the longest days in La Source is December, with an average of 13h and 18min of daylight.On the first day of December in La Source, 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 La Source, Mauritius, the average sunshine in December is 10.2h.UV index
January through March and December, with an average maximum UV index of 7, are months with the highest UV index in La Source. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for average individuals.Note: A daily maximum UV index of 7 in December translates into the following instructions:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
La Source, 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
La Source, 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
La Source, 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
La Source, 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
La Source, Mauritius
- Average rainfall in December: 70mm
The wettest month (with the highest rainfall) is January (129mm).
The driest month (with the least rainfall) is September (15mm).
Average rainfall days in December
La Source, 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
La Source, 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 12min).
Average sunshine days in December
La Source, 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
La Source, 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
La Source, Mauritius
- Average cloud cover in December: 41
The months with the most cloud cover are March and April (Cloud cover 45).
The months with the least cloud cover are May and June (Cloud cover 38).
Average visibility in December
La Source, 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).





