December weather forecast and climate
Îlet Denise, Reunion

Weather in December

December, the first month of the summer, in Îlet Denise, is also a moderately hot month, with average temperature ranging between min 23.8°C (74.8°F) and max 25.8°C (78.4°F).

Temperature

In Îlet Denise, the average high-temperature is almost the same as in November - a still moderately hot 25.8°C (78.4°F). In Îlet Denise, Reunion, the average low-temperature is 23.8°C (74.8°F).

Humidity

In Îlet Denise, the average relative humidity is 78%.

Rainfall

In December, in Îlet Denise, the rain falls for 19.8 days. Throughout December, 51mm (2.01") of precipitation is accumulated. In Îlet Denise, during the entire year, the rain falls for 194.8 days and collects up to 592mm (23.31") of precipitation.

Daylight

The month with the longest days in Îlet Denise is December, with an average of 13.4h of daylight.

Sunshine

In December, the average sunshine is 11h.

UV index

Months with the highest UV index in Îlet Denise are January through August, October through December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 6 in December interpret into the following advice:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in December in Îlet Denise?

The average high-temperature, in December, in Îlet Denise, Reunion, is 25.8°C (78.4°F), while the average low-temperature is 23.8°C (74.8°F).

What is the average humidity in December in Îlet Denise?

In December, the average relative humidity in Îlet Denise is 78%.

How many days does it rain in December in Îlet Denise?

In December, in Îlet Denise, Reunion, the rain falls for 19.8 days. Throughout December, 51mm (2.01") of precipitation is accumulated.

When are the longest days in Îlet Denise?

With an average of 13.4h of daylight, December has the longest days of the year in Îlet Denise, Reunion.

How many hours of daylight does Îlet Denise have in December?

In December, the average length of the day in Îlet Denise, Reunion, is 13.4h.

How many hours of sunshine does Îlet Denise have in December?

The average sunshine in December in Îlet Denise is 11h.

What are the months with the highest UV index in Îlet Denise?

January through August, October through December, with an average maximum UV index of 6, are months with the highest UV index in Îlet Denise, Reunion.

What is the UV index reading in December in Îlet Denise?

The average daily maximum UV index in December is 6. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to the Sun's UV rays.

Average temperature in December
Îlet Denise, Reunion

Average temperature in December - Îlet Denise, Reunion
  • Average high temperature in December: 25.8°C

The warmest months (with the highest average high temperature) are January, February and March (26.3°C).
The month with the lowest average high temperature is July (21.6°C).

  • Average low temperature in December: 23.8°C

Months with the highest average low temperature are January and February (24.3°C).
The coldest month (with the lowest average low temperature) is August (19.2°C).

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Average pressure in December
Îlet Denise, Reunion

Average pressure in December - Îlet Denise, Reunion
  • Average pressure in December: 1013.3mbar

The month with the highest atmospheric pressure is August (1021.3mbar).
The month with the lowest atmospheric pressure is February (1011mbar).

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Average wind speed in December
Îlet Denise, Reunion

Average wind speed in December - Îlet Denise, Reunion
  • Average wind speed in December: 10.8km/h

The windiest month (with the highest average wind speed) is July (15.1km/h).
The calmest month (with the lowest average wind speed) is November (10.7km/h).

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Average humidity in December
Îlet Denise, Reunion

Average humidity in December - Îlet Denise, Reunion
  • Average humidity in December: 78%

The month with the highest relative humidity is February (81%).
Months with the lowest relative humidity are July, August and September (76%).

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Average rainfall in December
Îlet Denise, Reunion

Average rainfall in December - Îlet Denise, Reunion
  • Average rainfall in December: 51mm

The wettest month (with the highest rainfall) is January (130mm).
The driest month (with the least rainfall) is September (9mm).

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Average rainfall days in December
Îlet Denise, Reunion

Average rainfall days in December - Îlet Denise, Reunion
  • Average rainfall days in December: 19.8 days

The month with the highest number of rainy days is March (24.5 days).
The month with the least rainy days is September (10.5 days).

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Average daylight in December /
Average sunshine in December
Îlet Denise, Reunion

Average daylight in December / Average sunshine in December - Îlet Denise, Reunion
  • Average daylight in December: 13.4h

The month with the longest days is December (Average daylight: 13.4h).
The month with the shortest days is June (Average daylight: 10.9h).

  • Average sunshine in December: 11h

The month with the most sunshine is October (Average sunshine: 11.2h).
The month with the least sunshine is June (Average sunshine: 7.2h).

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Average sunshine days in December
Îlet Denise, Reunion

Average sunshine days in December - Îlet Denise, Reunion
  • Average sunshine days in December: 7.2 days

The month with the most sunshine days is August (16.7 days).
The month with the least sunshine days is February (2.8 days).

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Average UV index in December
Îlet Denise, Reunion

Average UV index in December - Îlet Denise, Reunion
  • Average UV index in December: 6

Months with the highest UV index are January, February, March, April, May, June, July, August, October, November and December (UV index 6).
The month with the lowest UV index is September (UV index 5).

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Average cloud cover in December
Îlet Denise, Reunion

Average cloud cover in December - Îlet Denise, Reunion
  • Average cloud cover in December: 30

Months with the most cloud cover are January, February and March (Cloud cover 35).
Months with the least cloud cover are June, July and August (Cloud cover 22).

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Average visibility in December
Îlet Denise, Reunion

Average visibility in December - Îlet Denise, Reunion
  • Average visibility in December: 10km

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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