Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
December
Weather in December
Temperature
December experiences an average high-temperature of a still warm 27.4°C (81.3°F), barely different from November's 25.8°C (78.4°F). Union Vale's average temperature throughout the nights in December exhibits a minor decrease from daytime highs, stabilizing at a still moderately hot 25.1°C (77.2°F).Heat index
During December, the heat index is estimated at a tropical 30°C (86°F). If activity and exposure persist, they could induce fatigue, leading to possible heat cramps.In terms of the heat index, values are set with light wind and shade conditions in mind. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a single figure representing how weather conditions feel when combining temperature and humidity. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Young kids are often more at risk than adults as they tend to perspire less. Besides, their skin surface is larger relative to their small bodies, and their increased heat output from their active lifestyle compounds their risk.
Humidity
The average relative humidity in December is 76%.Rainfall
In December, the rain falls for 17.1 days. Throughout December, 59mm (2.32") of precipitation is accumulated. Throughout the year, in Union Vale, there are 200.8 rainfall days, and 550mm (21.65") of precipitation is accumulated.Daylight
With an average of 13h and 18min of daylight, December has the longest days of the year in Union Vale.On the first day of December in Union Vale, sunrise is at 05:20 and sunset at 18:36. On the last day of the month, sunrise is at 05:31 and sunset at 18:53 +04.
Sunshine
In December, the average sunshine in Union Vale, Mauritius, is 10.2h.UV index
The months with the highest UV index in Union Vale are January through April and December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for average individuals.Note: A daily maximum UV index of 7 in December translates into the following instructions:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December in Union Vale?
What is the average humidity in December in Union Vale?
How much does it rain in Union Vale in December?
When are the longest days in Union Vale?
What is the average length of the day in December in Union Vale?
When is the sunrise / sunset in December in Union Vale?
How many hours of sunshine does Union Vale have in December?
What is the month with the highest UV index in Union Vale?
What is the UV index intensity in December in Union Vale?
Average temperature in December
Union Vale, 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
Union Vale, 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
Union Vale, 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
Union Vale, 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
Union Vale, 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
Union Vale, 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 daylight in December /
Average sunshine in December
Union Vale, 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 1min
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
Union Vale, 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
Union Vale, 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
Union Vale, 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
Union Vale, 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).
