December weather forecast
Calheta, Cape Verde

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Weather in December

December closes the year with a significant drop in rainfall in Calheta. Along with this, it records the coolest sea temperatures of the year. More sunshine days are enjoyed in December compared to November. The reduced rainfall and cloud coverage stir up the holiday spirit, making it a grand time for festivities. The high wind speeds whip up a suitable environment for wind-dependent activities, marking a spirited end to the year in Calheta.

Temperature

The onset of December notes an average high-temperature of a still moderately hot 25.5°C (77.9°F), subtly shifted from November's 27°C (80.6°F). In Calheta, the nocturnal temperatures throughout December show a marginal dip from the daytime averages, settling at a still moderately hot 23°C (73.4°F).

Humidity

In Calheta, Cape Verde, the average relative humidity in December is 70%.

Rainfall

In Calheta, during December, the rain falls for 1.4 days and regularly aggregates up to 3mm (0.12") of precipitation. Throughout the year, in Calheta, there are 54.1 rainfall days, and 149mm (5.87") of precipitation is accumulated.

Sea temperature

In December, the average sea temperature is 25.3°C (77.5°F).
Note: Water temperatures in the range of 25°C (77°F) to 29°C (84.2°F) are warm and delightful, ensuring comfort during water activities over extended periods.

Daylight

With an average of 11h and 12min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 06:43 and sunset at 18:00. On the last day of December, in Calheta, sunrise is at 06:58 and sunset at 18:13 -01.

Sunshine

In December, the average sunshine in Calheta, Cape Verde, is 9.4h.

UV index

The months with the lowest UV index are January through July and December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: The UV index of 6 during December translates into the following guidance:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Attention! The reflection of both water and sand can increase the intensity of UV rays.

Frequently asked questions

What are the temperatures in Calheta in December?

An average high-temperature, in December, in Calheta, is 25.5°C (77.9°F) and the average low-temperature is 23°C (73.4°F). In November, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines relative humidity and air temperature, is estimated at 29°C (84.2°F).

What is the average humidity in December in Calheta?

The average relative humidity in December in Calheta is 70%.

How many days does it rain in December in Calheta?

In December, in Calheta, Cape Verde, the rain falls for 1.4 days. Throughout December, 3mm (0.12") of precipitation is accumulated.

What is the water temperature in December in Calheta?

In Calheta, the average seawater temperature in December is 25.3°C (77.5°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

What is the month with the shortest days in Calheta?

With an average of 11h and 12min of daylight, December has the shortest days of the year.

What is the average length of the day in December in Calheta?

In Calheta, Cape Verde, the average day length in December is 11h and 14min.

What time are sunrise and sunset in December in Calheta?

On the first day of December in Calheta, Cape Verde, sunrise is at 06:43 and sunset at 18:00. On the last day of the month, sunrise is at 06:58 and sunset at 18:13 -01.

How many hours of sunshine does Calheta have in December?

In Calheta, Cape Verde, the average sunshine duration in December is 9.4h.

When is the lowest UV index in Calheta?

The months with the lowest UV index are January through July and December, with an average maximum UV index of 6.

What is the UV index reading in December in Calheta?

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

Average temperature in December
Calheta, Cape Verde

Average temperature in December - Calheta, Cape Verde
  • Average high temperature in December: 25.5°C

The warmest month (with the highest average high temperature) is October (28.4°C).
The months with the lowest average high temperature are February and March (23.7°C).

  • Average low temperature in December: 23°C

The months with the highest average low temperature are September and October (25.8°C).
The coldest month (with the lowest average low temperature) is February (20.9°C).

Average pressure in December
Calheta, Cape Verde

Average pressure in December - Calheta, Cape Verde
  • Average pressure in December: 1014.4mbar

The month with the highest atmospheric pressure is January (1015.2mbar).
The month with the lowest atmospheric pressure is September (1012.5mbar).

Average wind speed in December
Calheta, Cape Verde

Average wind speed in December - Calheta, Cape Verde
  • Average wind speed in December: 23.2km/h

The windiest month (with the highest average wind speed) is February (25.8km/h).
The calmest month (with the lowest average wind speed) is August (14km/h).

Average humidity in December
Calheta, Cape Verde

Average humidity in December - Calheta, Cape Verde
  • Average humidity in December: 70%

The months with the highest relative humidity are June, July, August and September (79%).
The month with the lowest relative humidity is January (69%).

Average rainfall in December
Calheta, Cape Verde

Average rainfall in December - Calheta, Cape Verde
  • Average rainfall in December: 3mm

The wettest month (with the highest rainfall) is September (50mm).
The driest months (with the least rainfall) are January, March and May (1mm).

Average rainfall days in December
Calheta, Cape Verde

Average rainfall days in December - Calheta, Cape Verde
  • Average rainfall days in December: 1.4 days

The month with the highest number of rainy days is September (13.1 days).
The month with the least rainy days is January (0.7 days).

Average sea temperature in December
Calheta, Cape Verde

Average sea temperature in December - Calheta, Cape Verde
  • Average sea temperature in December: 25.3°C

The best month for swimming (with the highest average sea temperature) is October (27.4°C).
The coldest month (with the lowest average sea temperature) is March (23.3°C).

Average daylight in December /
Average sunshine in December
Calheta, Cape Verde

Average daylight in December / Average sunshine in December - Calheta, Cape Verde
  • Average daylight in December: 11h and 1min

The month with the longest days is June (Average daylight: 13h and 0min).
The month with the shortest days is December (Average daylight: 11h and 12min).

  • Average sunshine in December: 9h and 2min

The month with the most sunshine is May (Average sunshine: 9h and 54min).
The month with the least sunshine is August (Average sunshine: 7h and 0min).

Average sunshine days in December
Calheta, Cape Verde

Average sunshine days in December - Calheta, Cape Verde
  • Average sunshine days in December: 28.5 days

The months with the most sunshine days are January and May (29.3 days).
The month with the least sunshine days is September (13.1 days).

Average UV index in December
Calheta, Cape Verde

Average UV index in December - Calheta, Cape Verde
  • Average UV index in December: 6

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

Average cloud cover in December
Calheta, Cape Verde

Average cloud cover in December - Calheta, Cape Verde
  • Average cloud cover in December: 20

The month with the most cloud cover is August (Cloud cover 52).
The month with the least cloud cover is May (Cloud cover 13).

Average visibility in December
Calheta, Cape Verde

Average visibility in December - Calheta, Cape Verde
  • 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).

Calheta, Cape Verde

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