December weather forecastAlma, Mauritius

December

Weather in December

December, the first month of the summer in Alma, is also a moderately hot month, with temperature in the range of an average low of 25.2°C (77.4°F) and an average high of 27.6°C (81.7°F).

Temperature

The onset of December notes an average high-temperature of a still warm 27.6°C (81.7°F), subtly shifted from November's 26.3°C (79.3°F). Alma's nights in December maintain a consistent average of 25.2°C (77.4°F), demonstrating a minimal differential from its daytime temperature.

Heat index

During December, the heat index is appraised at a tropical 30°C (86°F). Continuous exposure and activity could induce a sense of tiredness and subsequently, heat cramps.
Heat index guidelines indicate values are for light wind scenarios and shaded regions. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is found by incorporating humidity levels into the air temperature measurement. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. 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 importance for children. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.

Humidity

In December, the average relative humidity is 75%.

Rainfall

In Alma, during December, the rain falls for 13.5 days and regularly aggregates up to 50mm (1.97") of precipitation. In Alma, 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 Alma.
On the first day of December in Alma, 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 December, the average sunshine in Alma 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. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum UV index, 7 during December, leads to the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.

Updated: Feb 7, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In December, in Alma, the average high-temperature is 27.6°C (81.7°F), and the average low-temperature is 25.2°C (77.4°F). In December, the average heat index (a.k.a. 'real feel', 'feels like'), which factors the actual air temperature with the relative humidity, is appraised at 30°C (86°F).

In Alma, the average relative humidity in December is 75%.

In December, in Alma, the rain falls for 13.5 days. Throughout December, 50mm (1.97") of precipitation is accumulated.

The month with the longest days in Alma is December, with an average of 13h and 18min of daylight.

In December, the average day length in Alma is 13h and 20min.

On the first day of December, 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.

In Alma, the average sunshine duration in December is 10.3h.

The months with the highest UV index are January through April and December, with an average maximum UV index of 7.

In Alma, Mauritius, the average daily maximum UV index in December is 7. A UV Index estimate of 6 to 7 represents a high health threat from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

26.3°C

27.6°C

28.3°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

17.7km/h

18.2km/h

18.8km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

15.9

13.1

8.9

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Alma, 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
Alma, 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
Alma, 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
Alma, 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
Alma, 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
Alma, 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
Alma, 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
Alma, 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
Alma, 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
Alma, 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
Alma, 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).