December weather forecastCidade Velha, Cape Verde
December
Weather in December
December's weather in Cidade Velha represents a steady continuation from November with lower rainfall and slightly cooler temperatures. A decrease in sea temperature complements the land weather, drawing the year to a cooler closure. The cloud cover reduces, making way for longer sunshine days despite truncated daylight hours. The year concludes with the wind speeds at their second peak, catering to windsurfers' delight. The decreased rainfall and moderate temperatures mark the beginning of the dry season, completing the annual weather cycle in Cidade Velha.Temperature
December denotes a minimal variation in the average high-temperature to a still warm 25.5°C (77.9°F) from November's 27°C (80.6°F). Night temperatures in December in Cidade Velha exhibit a subtle decrease, settling at an average of 23°C (73.4°F).Humidity
In Cidade Velha, the average relative humidity in December is 70%.Rainfall
In Cidade Velha, in December, during 1.4 rainfall days, 3mm (0.12") of precipitation is typically accumulated. In Cidade Velha, during the entire year, the rain falls for 54.1 days and collects up to 149mm (5.87") of precipitation.Sea temperature
In Cidade Velha, Cape Verde, the average seawater temperature in December is 25.5°C (77.9°F).Note: With water temperature from 25°C (77°F) to 29°C (84.2°F), all water activities are comfortable and delightful, devoid of discomfort even for lengthened periods.
Daylight
The month with the shortest days in Cidade Velha is December, with an average of 11h and 18min of daylight.On the first day of the month, sunrise is at 06:44 and sunset at 18:02. On the last day of December, sunrise is at 06:59 and sunset at 18:15 -01.
Sunshine
In December, the average sunshine in Cidade Velha is 9.4h.UV index
January through July and December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 6 in December interprets into the following recommendations:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Attention! UV radiation is ramped up when reflecting off sand and water surfaces.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Cidade Velha, 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
Cidade Velha, 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
Cidade Velha, 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
Cidade Velha, 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
Cidade Velha, 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
Cidade Velha, 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
Cidade Velha, Cape Verde
- Average sea temperature in December: 25.5°C
The best month for swimming (with the highest average sea temperature) is October (27.7°C).
The coldest month (with the lowest average sea temperature) is March (23.6°C).
Average daylight in December /
Average sunshine in December
Cidade Velha, Cape Verde
- Average daylight in December: 11h and 18min
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 18min).
- Average sunshine in December: 9h and 24min
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
Cidade Velha, 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
Cidade Velha, 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
Cidade Velha, 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
Cidade Velha, 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).





