Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average sea temperature in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
December
Weather in December
Temperature
The transition into December in Porto Novo marks the average high-temperature at a still warm 24.2°C (75.6°F), differing minimally from November's 25.2°C (77.4°F). Nighttime temperature sees a small decrement from daytime highs, dipping to an average of 22.9°C (73.2°F) during December.Humidity
January and December, with an average relative humidity of 73%, are the least humid months in Porto Novo.Rainfall
In Porto Novo, in December, during 2.4 rainfall days, 4mm (0.16") of precipitation is typically accumulated. In Porto Novo, during the entire year, the rain falls for 39.3 days and collects up to 91mm (3.58") of precipitation.Sea temperature
In Porto Novo, the average seawater temperature in December is 24.6°C (76.3°F).Note: Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 24.6°C (76.3°F) water may be enjoyable. (FYI: The official water temperature required for the Olympic swimming competition is 25°C (77°F) to 28°C (82.4°F).)
Daylight
With an average of 11h and 6min of daylight, December has the shortest days of the year in Porto Novo.On the first day of December in Porto Novo, sunrise is at 06:54 and sunset at 18:05. On the last day of the month, sunrise is at 07:10 and sunset at 18:18 -01.
Sunshine
In December, the average sunshine in Porto Novo, Cape Verde, is 9.2h.UV index
January through August, November and December, with an average maximum UV index of 6, are months with the lowest UV index in Porto Novo. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the average person.Note: In December, the maximum UV index of 6 translates into these guidelines:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Caution! The reflection of sand and water significantly amplifies the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Porto Novo in December?
What are the least humid months in Porto Novo?
What is the average humidity in December in Porto Novo?
How much does it rain in Porto Novo in December?
What is the sea temperature in December in Porto Novo?
What is the month with the shortest days in Porto Novo?
What is the average length of the day in December in Porto Novo?
When are sunrise and sunset in December in Porto Novo?
How many hours of sunshine does Porto Novo have in December?
What is the month with the lowest UV index in Porto Novo?
What is the UV index reading in December in Porto Novo?
Average temperature in December
Porto Novo, Cape Verde
- Average high temperature in December: 24.2°C
The warmest month (with the highest average high temperature) is October (26.7°C).
The month with the lowest average high temperature is February (21.8°C).
- Average low temperature in December: 22.9°C
The months with the highest average low temperature are September and October (25.7°C).
The coldest month (with the lowest average low temperature) is February (20.7°C).
Average pressure in December
Porto Novo, Cape Verde
- Average pressure in December: 1015.6mbar
The month with the highest atmospheric pressure is January (1016.6mbar).
The months with the lowest atmospheric pressure are August and September (1013.3mbar).
Average wind speed in December
Porto Novo, Cape Verde
- Average wind speed in December: 25.5km/h
The windiest month (with the highest average wind speed) is February (28.6km/h).
The calmest month (with the lowest average wind speed) is August (18.2km/h).
Average humidity in December
Porto Novo, Cape Verde
- Average humidity in December: 73%
The months with the highest relative humidity are July, August and September (82%).
The months with the lowest relative humidity are January and December (73%).
Average rainfall in December
Porto Novo, Cape Verde
- Average rainfall in December: 4mm
The wettest month (with the highest rainfall) is September (31mm).
The driest months (with the least rainfall) are January, March, April and May (1mm).
Average rainfall days in December
Porto Novo, Cape Verde
- Average rainfall days in December: 2.4 days
The month with the highest number of rainy days is September (9.1 days).
The month with the least rainy days is February (1 days).
Average sea temperature in December
Porto Novo, Cape Verde
- Average sea temperature in December: 24.6°C
The best month for swimming (with the highest average sea temperature) is October (26.8°C).
The coldest month (with the lowest average sea temperature) is February (23.1°C).
Average daylight in December /
Average sunshine in December
Porto Novo, Cape Verde
- Average daylight in December: 11h and 1min
The month with the longest days is June (Average daylight: 13h and 6min).
The month with the shortest days is December (Average daylight: 11h and 6min).
- Average sunshine in December: 9h and 1min
The month with the most sunshine is May (Average sunshine: 9h and 24min).
The month with the least sunshine is August (Average sunshine: 7h and 30min).
Average sunshine days in December
Porto Novo, Cape Verde
- Average sunshine days in December: 27.2 days
The month with the most sunshine days is May (28.8 days).
The month with the least sunshine days is September (17.8 days).
Average UV index in December
Porto Novo, Cape Verde
- Average UV index in December: 6
The months with the highest UV index are September and October (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, November and December (UV index 6).
Average cloud cover in December
Porto Novo, Cape Verde
- Average cloud cover in December: 22
The month with the most cloud cover is August (Cloud cover 44).
The month with the least cloud cover is May (Cloud cover 19).
Average visibility in December
Porto Novo, 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).
