December weather forecast
Rose Belle, Mauritius

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Weather in December

December in Rose Belle, Mauritius, signals the onset of the warm season. The month sees a noticeable rise in temperature, reaching up to 27.4°C (81.3°F) with pressures dropping to 1013.4mb. Though rainfall increases to 59mm (2.32"), the higher temperatures balance it out, preventing the weather from becoming too wet. Despite being the shortest day of the year, the city enjoys 10.2 hours of sunshine each day. With balmy sea breezes sweeping through the city, the atmosphere remains both festive and comfortable in December.

Temperature

Stepping into December, Rose Belle records an average high-temperature of a still moderately hot 27.4°C (81.3°F), almost consistent with November. The nights of December in Rose Belle cool down to an average low of 25.1°C (77.2°F), subtly lower than daytime highs.

Heat index

The heat index in December is evaluated at a tropical 30°C (86°F). Persistent activity under exposure might lead to a feeling of weariness, with subsequent heat cramps.
Heat index values are typically calculated for conditions of shade and a light breeze. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', comes about by integrating the temperature readings with the humidity levels. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.

Humidity

In Rose Belle, the average relative humidity in December is 76%.

Rainfall

In Rose Belle, in December, during 17.1 rainfall days, 59mm (2.32") of precipitation is typically accumulated. Throughout the year, 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.
On the first day of December, sunrise is at 05:20 and sunset at 18:37. On the last day of the month, sunrise is at 05:32 and sunset at 18:53 +04.

Sunshine

The average sunshine in December is 10.2h.

UV index

January through April and December, with an average maximum UV index of 7, are months with the highest UV index in Rose Belle. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for average individuals.
Note: An average UV index of 7 in December transforms into this advice:
Shield from overexposure. Defense against sun-related harm is required. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Updated: Feb 7, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What are the temperatures in Rose Belle in December?

In December, the average high-temperature and low-temperature in Rose Belle are 27.4°C (81.3°F) and 25.1°C (77.2°F) respectively. In December, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 30°C (86°F).

What is the average humidity in December in Rose Belle?

The average relative humidity in December is 76%.

How many days does it rain in December in Rose Belle?

In Rose Belle, Mauritius, in December, it is raining for 17.1 days, with typically 59mm (2.32") of accumulated precipitation.

When are the longest days in Rose Belle?

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

What is the average length of the day in December in Rose Belle?

In Rose Belle, the average day length in December is 13h and 21min.

When are sunrise and sunset in December in Rose Belle?

On the first day of December in Rose Belle, Mauritius, sunrise is at 05:20 and sunset at 18:37. On the last day of the month, sunrise is at 05:32 and sunset at 18:53 +04.

How long on average sun shines in December in Rose Belle?

The average sunshine duration in December in Rose Belle, Mauritius, is 10.2h.

What is the month with the highest UV index in Rose Belle?

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

What is the UV index reading in December in Rose Belle?

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

Average temperature in December
Rose Belle, Mauritius

Average temperature in December - Rose Belle, 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
Rose Belle, Mauritius

Average pressure in December - Rose Belle, 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
Rose Belle, Mauritius

Average wind speed in December - Rose Belle, 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
Rose Belle, Mauritius

Average humidity in December - Rose Belle, 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
Rose Belle, Mauritius

Average rainfall in December - Rose Belle, 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
Rose Belle, Mauritius

Average rainfall days in December - Rose Belle, 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
Rose Belle, Mauritius

Average daylight in December / Average sunshine in December - Rose Belle, 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
Rose Belle, Mauritius

Average sunshine days in December - Rose Belle, 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
Rose Belle, Mauritius

Average UV index in December - Rose Belle, 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
Rose Belle, Mauritius

Average cloud cover in December - Rose Belle, 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
Rose Belle, Mauritius

Average visibility in December - Rose Belle, 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).

Rose Belle, Mauritius

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