December weather forecast and climate
Casabona, Reunion

Weather in December

December, the first month of the summer, in Casabona, is also a moderately hot month, with average temperature varying between 23.5°C (74.3°F) and 25.6°C (78.1°F).

Temperature

In Casabona, the average high-temperature in December is practically the same as in November - a still moderately hot 25.6°C (78.1°F). In Casabona, in December, the average low-temperature is 23.5°C (74.3°F).

Humidity

In December, the average relative humidity in Casabona is 79%.

Rainfall

In Casabona, in December, during 21.2 rainfall days, 66mm (2.6") of precipitation is typically accumulated. In Casabona, during the entire year, the rain falls for 207.9 days and collects up to 756mm (29.76") of precipitation.

Daylight

December has the longest days of the year, with an average of 13.4h of daylight.

Sunshine

In Casabona, the average sunshine is 10.6h.

UV index

Months with the lowest UV index are January, March through December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: In December, the average maximum UV index of 6 translate into the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. 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.
[Resources]

FAQ

What is the temperature in December in Casabona?

The average high-temperature, in December, in Casabona, is 25.6°C (78.1°F), while the average low-temperature is 23.5°C (74.3°F).

What is the average humidity in December in Casabona?

The average relative humidity in December is 79%.

How much does it rain in Casabona in December?

In Casabona, in December, during 21.2 rainfall days, 66mm (2.6") of precipitation is typically accumulated.

When are the longest days in Casabona?

December has the longest days of the year, with an average of 13.4h of daylight.

How many hours of daylight does Casabona have in December?

In Casabona, the average length of the day in December is 13.4h.

How long on average sun shines in December in Casabona?

In December, the average sunshine in Casabona, Reunion, is 10.6h.

What are the months with the lowest UV index in Casabona?

January, March through December, with an average maximum UV index of 6, are months with the lowest UV index in Casabona, Reunion.

What is the UV index reading in December in Casabona?

In Casabona, the average daily maximum UV index in December is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from the exposure to the Sun's UV rays.

Average temperature in December
Casabona, Reunion

Average temperature in December - Casabona, Reunion
  • Average high temperature in December: 25.6°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 (21.3°C).

  • Average low temperature in December: 23.5°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 July (18.8°C).

[Resources]

Average pressure in December
Casabona, Reunion

Average pressure in December - Casabona, Reunion
  • Average pressure in December: 1013.4mbar

The month with the highest atmospheric pressure is August (1021.5mbar).
The month with the lowest atmospheric pressure is February (1011.1mbar).

[Resources]

Average wind speed in December
Casabona, Reunion

Average wind speed in December - Casabona, Reunion
  • Average wind speed in December: 13.5km/h

The windiest month (with the highest average wind speed) is July (19.8km/h).
The calmest month (with the lowest average wind speed) is November (13.4km/h).

[Resources]

Average humidity in December
Casabona, Reunion

Average humidity in December - Casabona, Reunion
  • Average humidity in December: 79%

Months with the highest relative humidity are January, February, March and April (81%).
Months with the lowest relative humidity are July, August and September (77%).

[Resources]

Average rainfall in December
Casabona, Reunion

Average rainfall in December - Casabona, Reunion
  • Average rainfall in December: 66mm

The wettest month (with the highest rainfall) is January (162mm).
The driest month (with the least rainfall) is September (10mm).

[Resources]

Average rainfall days in December
Casabona, Reunion

Average rainfall days in December - Casabona, Reunion
  • Average rainfall days in December: 21.2 days

The month with the highest number of rainy days is March (24.9 days).
The month with the least rainy days is September (9.5 days).

[Resources]

Average daylight in December /
Average sunshine in December
Casabona, Reunion

Average daylight in December / Average sunshine in December - Casabona, 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: 10.8h).

  • Average sunshine in December: 10.6h

The month with the most sunshine is October (Average sunshine: 10.9h).
The month with the least sunshine is May (Average sunshine: 6.9h).

[Resources]

Average sunshine days in December
Casabona, Reunion

Average sunshine days in December - Casabona, Reunion
  • Average sunshine days in December: 3.5 days

The month with the most sunshine days is August (13.5 days).
The month with the least sunshine days is February (1.7 days).

[Resources]

Average UV index in December
Casabona, Reunion

Average UV index in December - Casabona, Reunion
  • Average UV index in December: 6

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

[Resources]

Average cloud cover in December
Casabona, Reunion

Average cloud cover in December - Casabona, Reunion
  • Average cloud cover in December: 33

The month with the most cloud cover is February (Cloud cover 38).
The month with the least cloud cover is September (Cloud cover 21).

[Resources]

Average visibility in December
Casabona, Reunion

Average visibility in December - Casabona, 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).

[Resources]