December weather forecast
Saint Pierre, Mauritius

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Weather in December

By December, the temperature in Saint Pierre rises further to 27.6°C (81.7°F), making it one of the warmest months of the year. The frequency and quantity of rainfall also rise markedly, culminating in the peak of the wet season. Remarkably, additional cloud coverage does not significantly reduce the number of daylight or sunshine hours recorded. Wind speeds drop to a yearly low, contributing to the warmer, more humid conditions. Thus, December in Saint Pierre, Mauritius is characterized by high temperatures, frequent rainfall, and lower wind speeds.

Temperature

The transition into December in Saint Pierre notes an average high-temperature of a still moderately hot 27.6°C (81.7°F), revealing a mild distinction from the 26.3°C (79.3°F) in November. In Saint Pierre, the average low-temperature during December nights tends to settle at a still warm 25.2°C (77.4°F), indicating a slight drop from the daytime peak.

Heat index

The heat index in December is evaluated at a tropical 30°C (86°F). Continued exposure and engagement in activity might trigger tiredness and subsequently heat cramps.
Heat index determinations are made taking into account the shade and light air movements. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.

Humidity

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

Rainfall

In Saint Pierre, during December, the rain falls for 13.5 days and regularly aggregates up to 50mm (1.97") of precipitation. Throughout the year, there are 177.1 rainfall days, and 480mm (18.9") of precipitation is accumulated.

Daylight

The month with the longest days in Saint Pierre is December, with an average of 13h and 18min of daylight.
On the first day of December in Saint Pierre, 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

In December, the average sunshine 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 reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index of 7 in December interprets into the following recommendations:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.

Frequently asked questions

What are the temperatures in Saint Pierre in December?

Saint Pierre in December has an average high-temperature of 27.6°C (81.7°F) and an average low-temperature of 25.2°C (77.4°F). In December, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines relative humidity and air temperature, is evaluated at 30°C (86°F).

What is the average humidity in December in Saint Pierre?

In December, the average relative humidity in Saint Pierre, Mauritius, is 75%.

How much does it rain in Saint Pierre in December?

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

When are the longest days in Saint Pierre?

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

How many hours of daylight does Saint Pierre have in December?

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

When are sunrise and sunset in December in Saint Pierre?

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.

How many hours of sunshine does Saint Pierre have in December?

The average sunshine duration in December in Saint Pierre is 10.3h.

When is the highest UV index in Saint Pierre?

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

What is the UV index intensity in December in Saint Pierre?

In December, the average daily maximum UV index in Saint Pierre, Mauritius, is 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to UV radiation.

Average temperature in December
Saint Pierre, Mauritius

Average temperature in December - Saint Pierre, 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
Saint Pierre, Mauritius

Average pressure in December - Saint Pierre, 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
Saint Pierre, Mauritius

Average wind speed in December - Saint Pierre, 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
Saint Pierre, Mauritius

Average humidity in December - Saint Pierre, 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
Saint Pierre, Mauritius

Average rainfall in December - Saint Pierre, 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
Saint Pierre, Mauritius

Average rainfall days in December - Saint Pierre, 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
Saint Pierre, Mauritius

Average daylight in December / Average sunshine in December - Saint Pierre, 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 2min

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
Saint Pierre, Mauritius

Average sunshine days in December - Saint Pierre, 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
Saint Pierre, Mauritius

Average UV index in December - Saint Pierre, 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
Saint Pierre, Mauritius

Average cloud cover in December - Saint Pierre, 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
Saint Pierre, Mauritius

Average visibility in December - Saint Pierre, 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).

Saint Pierre, Mauritius

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