December weather forecast
Chemin Grenier, Mauritius

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Weather in December

Progressing from November to December, the changes in weather variables are slight in Chemin Grenier. December encapsulates the wet season with high humidity, rainfall, and cloud cover dominating the scene. However, this does not hinder the city from experiencing increased daylight and savoring appreciable sunshine hours. The intensity of wind and average air pressure are at their lowest, painting a calm, serene climatic canvas. With rainfall reaching 72mm (2.83") over 18.3 days, December closes the year with a harmonious blend of weather elements in the heart of the wet season.

Temperature

December denotes a minimal variation in the average high-temperature to a still moderately hot 27.6°C (81.7°F) from November's 26.3°C (79.3°F). Chemin Grenier's nocturnal readings in December exhibit minimal variation from the daytime temperatures, averaging at a still warm 24.7°C (76.5°F).

Heat index

In December, the heat index is estimated at a hot 30°C (86°F). Continuous activity in exposure could lead to a feeling of fatigue and heat cramps.
Heat index details are generally centered around shaded locations and a mild breeze. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a measure of how hot it feels when the actual air humidity is factored in. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. 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 especially crucial for babies and toddlers. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.

Humidity

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

Rainfall

In Chemin Grenier, during December, the rain falls for 18.3 days and regularly aggregates up to 72mm (2.83") of precipitation. In Chemin Grenier, during the entire year, the rain falls for 207.3 days and collects up to 645mm (25.39") of precipitation.

Daylight

December has the longest days of the year, with an average of 13h and 24min of daylight.
On the first day of December in Chemin Grenier, 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 Chemin Grenier, Mauritius, the average sunshine in December is 10.1h.

UV index

The months with the highest UV index are January through March and December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: A daily high UV index of 7 in December leads to these guidelines:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Stay sun-safe with clothing that is both closely woven and worn loosely.
Resources | Updated: Feb 7, 2024 | Published by: Weather Atlas

Frequently asked questions

What is the usual temperature for Chemin Grenier in December?

The high-temperature in Chemin Grenier during December is 27.6°C (81.7°F) and the low-temperature is 24.7°C (76.5°F). In December, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is estimated at 30°C (86°F).

What is the average humidity in December in Chemin Grenier?

In Chemin Grenier, Mauritius, the average relative humidity in December is 75%.

How many days does it rain in December in Chemin Grenier?

In Chemin Grenier, during December, the rain falls for 18.3 days and regularly aggregates up to 72mm (2.83") of precipitation.

When are the longest days in Chemin Grenier?

December has the longest days of the year in Chemin Grenier, with an average of 13h and 24min of daylight.

What is the average length of the day in December in Chemin Grenier?

In Chemin Grenier, Mauritius, the average day length in December is 13h and 21min.

When is the sunrise / sunset in December in Chemin Grenier?

In December, on the first day of the month, 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 Chemin Grenier have in December?

The average sunshine duration in December in Chemin Grenier, Mauritius, is 10.1h.

What is the month with the highest UV index in Chemin Grenier?

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

How high is the UV index in December in Chemin Grenier?

In December, the average daily maximum UV index is 7. A UV Index of 6 to 7 symbolizes a high hazard to health from exposure to the Sun's UV radiation.

Average temperature in December
Chemin Grenier, Mauritius

Average temperature in December - Chemin Grenier, Mauritius
  • Average high temperature in December: 27.6°C

The warmest month (with the highest average high temperature) is February (28.5°C).
The months with the lowest average high temperature are July and August (23.3°C).

  • Average low temperature in December: 24.7°C

The month with the highest average low temperature is February (25.6°C).
The coldest month (with the lowest average low temperature) is August (20.7°C).

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Average pressure in December
Chemin Grenier, Mauritius

Average pressure in December - Chemin Grenier, 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).

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Average wind speed in December
Chemin Grenier, Mauritius

Average wind speed in December - Chemin Grenier, Mauritius
  • Average wind speed in December: 16.8km/h

The windiest month (with the highest average wind speed) is August (22.8km/h).
The calmest month (with the lowest average wind speed) is November (16.4km/h).

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Average humidity in December
Chemin Grenier, Mauritius

Average humidity in December - Chemin Grenier, 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%).

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Average rainfall in December
Chemin Grenier, Mauritius

Average rainfall in December - Chemin Grenier, Mauritius
  • Average rainfall in December: 72mm

The wettest month (with the highest rainfall) is January (129mm).
The driest month (with the least rainfall) is September (12mm).

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Average rainfall days in December
Chemin Grenier, Mauritius

Average rainfall days in December - Chemin Grenier, Mauritius
  • Average rainfall days in December: 18.3 days

The month with the highest number of rainy days is March (23.6 days).
The month with the least rainy days is October (12.2 days).

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Average daylight in December /
Average sunshine in December
Chemin Grenier, Mauritius

Average daylight in December / Average sunshine in December - Chemin Grenier, Mauritius
  • Average daylight in December: 13h and 2min

The month with the longest days is December (Average daylight: 13h and 24min).
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 12min).
The month with the least sunshine is July (Average sunshine: 6h and 12min).

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Average sunshine days in December
Chemin Grenier, Mauritius

Average sunshine days in December - Chemin Grenier, Mauritius
  • Average sunshine days in December: 7.8 days

The month with the most sunshine days is October (11.8 days).
The month with the least sunshine days is February (3.2 days).

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Average UV index in December
Chemin Grenier, Mauritius

Average UV index in December - Chemin Grenier, Mauritius
  • Average UV index in December: 7

The months with the highest UV index are January, February, March and December (UV index 7).
The months with the lowest UV index are April, May, June, July, August, September, October and November (UV index 6).

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Average cloud cover in December
Chemin Grenier, Mauritius

Average cloud cover in December - Chemin Grenier, Mauritius
  • Average cloud cover in December: 41

The months with the most cloud cover are March and April (Cloud cover 45).
The month with the least cloud cover is September (Cloud cover 37).

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Average visibility in December
Chemin Grenier, Mauritius

Average visibility in December - Chemin Grenier, 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).

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Chemin Grenier, Mauritius

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