December weather forecast
Cul-de-Sac, Saint Martin

Weather in December

The first month of the winter, December, is still a warm month in Cul-de-Sac, Saint Martin, with an average temperature varying between 25.8°C (78.4°F) and 26.8°C (80.2°F).

Temperature

In Cul-de-Sac, the average high-temperature in December is relatively the same as in November - a still moderately hot 26.8°C (80.2°F). The average low-temperature, is 25.8°C (78.4°F).

Humidity

The months with the lowest humidity are January through March and December, with an average relative humidity of 75%.

Rainfall

In Cul-de-Sac, during 21.5 rainfall days, 45mm (1.77") of precipitation is typically accumulated. Throughout the year, there are 252.8 rainfall days, and 771mm (30.35") of precipitation is accumulated.

Daylight

With an average of 11h and 4min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 06:27 and sunset at 17:34. On the last day of December, sunrise is at 06:43 and sunset at 17:47 AST.

Sunshine

The months with the least sunshine in Cul-de-Sac, Saint Martin, are November and December, with an average of 6.5h of sunshine.

UV index

With an average maximum UV index of 6, December is the month with the lowest UV index. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the average 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. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in December in Cul-de-Sac?

The average high-temperature, in December, is 26.8°C (80.2°F), while the average low-temperature is 25.8°C (78.4°F). in November, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is evaluated at 31°C (87.8°F).

What are the least humid months in Cul-de-Sac?

The months with the lowest humidity are January through March and December, with an average relative humidity of 75%.

What is the average humidity in December in Cul-de-Sac?

In December, the average relative humidity in Cul-de-Sac is 75%.

How many days does it rain in December in Cul-de-Sac?

In Cul-de-Sac, Saint Martin, in December, it is raining for 21.5 days, with typically 45mm (1.77") of accumulated precipitation.

What is the month with the shortest days in Cul-de-Sac?

The month with the shortest days in Cul-de-Sac is December, with an average of 11h and 4min of daylight.

What is the average length of the day in December in Cul-de-Sac?

The average day length in December in Cul-de-Sac, Saint Martin, is 11h and 4min.

When are sunrise and sunset in December in Cul-de-Sac?

In December, on the first day of the month, sunrise is at 06:27 and sunset at 17:34. On the last day of the month, sunrise is at 06:43 and sunset at 17:47 AST.

What is the month with the least sunshine in Cul-de-Sac?

November and December, with an average of 6.5h of sunshine, are months with the least sunshine in Cul-de-Sac.

How many hours of sunshine does Cul-de-Sac have in December?

The average sunshine duration in December in Cul-de-Sac, Saint Martin, is 6.5h.

What is the month with the lowest UV index in Cul-de-Sac?

December is the month with the lowest UV index in Cul-de-Sac, with an average maximum UV index of 6.

What is the UV index intensity in December in Cul-de-Sac?

In Cul-de-Sac, the average daily maximum UV index in December is 6. A UV Index reading of 6 to 7 represents a high health threat from unprotected exposure to UV radiation.

Average temperature in December
Cul-de-Sac, Saint Martin

Average temperature in December - Cul-de-Sac, Saint Martin
  • Average high temperature in December: 26.8°C

The warmest month (with the highest average high temperature) is September (28.8°C).
The month with the lowest average high temperature is March (25.8°C).

  • Average low temperature in December: 25.8°C

The month with the highest average low temperature is September (27.7°C).
The coldest month (with the lowest average low temperature) is March (24.7°C).

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Average pressure in December
Cul-de-Sac, Saint Martin

Average pressure in December - Cul-de-Sac, Saint Martin
  • Average pressure in December: 1015.2mbar

The months with the highest atmospheric pressure are January and June (1016.6mbar).
The month with the lowest atmospheric pressure is October (1012.7mbar).

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Average wind speed in December
Cul-de-Sac, Saint Martin

Average wind speed in December - Cul-de-Sac, Saint Martin
  • Average wind speed in December: 24.2km/h

The windiest month (with the highest average wind speed) is July (25.6km/h).
The calmest month (with the lowest average wind speed) is October (18.9km/h).

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Average humidity in December
Cul-de-Sac, Saint Martin

Average humidity in December - Cul-de-Sac, Saint Martin
  • Average humidity in December: 75%

The months with the highest relative humidity are May, June, July and August (78%).
The months with the lowest relative humidity are January, February, March and December (75%).

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Average rainfall in December
Cul-de-Sac, Saint Martin

Average rainfall in December - Cul-de-Sac, Saint Martin
  • Average rainfall in December: 45mm

The wettest month (with the highest rainfall) is October (103mm).
The driest month (with the least rainfall) is February (19mm).

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Average rainfall days in December
Cul-de-Sac, Saint Martin

Average rainfall days in December - Cul-de-Sac, Saint Martin
  • Average rainfall days in December: 21.5 days

The month with the highest number of rainy days is August (25.3 days).
The month with the least rainy days is February (14.8 days).

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Average daylight in December /
Average sunshine in December
Cul-de-Sac, Saint Martin

Average daylight in December / Average sunshine in December - Cul-de-Sac, Saint Martin
  • Average daylight in December: 11h and 4min

The month with the longest days is June (Average daylight: 13h and 12min).
The month with the shortest days is December (Average daylight: 11h and 4min).

  • Average sunshine in December: 6h and 30min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The months with the least sunshine are November and December (Average sunshine: 6h and 30min).

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Average sunshine days in December
Cul-de-Sac, Saint Martin

Average sunshine days in December - Cul-de-Sac, Saint Martin
  • Average sunshine days in December: 5.5 days

The month with the most sunshine days is March (9.9 days).
The month with the least sunshine days is August (1.7 days).

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Average UV index in December
Cul-de-Sac, Saint Martin

Average UV index in December - Cul-de-Sac, Saint Martin
  • Average UV index in December: 6

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

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Average cloud cover in December
Cul-de-Sac, Saint Martin

Average cloud cover in December - Cul-de-Sac, Saint Martin
  • Average cloud cover in December: 39

The months with the most cloud cover are May, June and August (Cloud cover 42).
The months with the least cloud cover are February and March (Cloud cover 34).

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Average visibility in December
Cul-de-Sac, Saint Martin

Average visibility in December - Cul-de-Sac, Saint Martin
  • 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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