December weather forecastRoche Terre, Mauritius

December

Weather in December

December, the first month of the summer in Roche Terre, is also a moderately hot month, with an average temperature varying between 27.6°C (81.7°F) and 25.2°C (77.4°F).

Temperature

Roche Terre, Mauritius, marks the arrival of December with an average high-temperature of a still moderately hot 27.6°C (81.7°F), hardly different from November's 26.3°C (79.3°F). Roche Terre maintains an average low-temperature of 25.2°C (77.4°F) throughout December's nights.

Heat index

The average heat index in December is calculated to be a hot 30°C (86°F). Constant activity during exposure could result in a state of weariness and possibly heat cramps.
Be aware that heat index ratings are designed for shaded locations and minor breezes. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', provides an understanding of perceived warmth by combining temperature and relative humidity. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are particularly relevant to babies and toddlers. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.

Humidity

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

Rainfall

In Roche Terre, in December, it is raining for 13.5 days, with typically 50mm (1.97") of accumulated precipitation. Throughout the year, there are 177.1 rainfall days, and 480mm (18.9") of precipitation is accumulated.

Daylight

With an average of 13h and 18min of daylight, December has the longest days of the year.
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.

Sunshine

The average sunshine in December in Roche Terre is 10.3h.

UV index

The months with the highest UV index 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 vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: A maximum high UV index of 7 in December translates into the following recommendations:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.

Frequently asked questions

In Roche Terre, in December, the average high-temperature is 27.6°C (81.7°F), and the average low-temperature is 25.2°C (77.4°F). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in December is calculated to be 30°C (86°F).

The average relative humidity in December is 75%.

In Roche Terre, during December, the rain falls for 13.5 days and regularly aggregates up to 50mm (1.97") of precipitation.

December has the longest days of the year in Roche Terre, Mauritius, with an average of 13h and 18min of daylight.

In December, the average day length in Roche Terre, Mauritius, is 13h and 19min.

In December, on the first day of the month, sunrise is at 05:20 and sunset at 18:36. On the last day of the month, in Roche Terre, Mauritius, sunrise is at 05:32 and sunset at 18:52 +04.

In Roche Terre, Mauritius, the average sunshine duration in December is 10.3h.

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

The average daily maximum UV index in December is 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Roche Terre, 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
Roche Terre, 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
Roche Terre, 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
Roche Terre, 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
Roche Terre, 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
Roche Terre, 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
Roche Terre, 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
Roche Terre, 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
Roche Terre, 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
Roche Terre, 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
Roche Terre, 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).