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
December experiences an average high-temperature of a still moderately hot 24.1°C (75.4°F), barely different from November's 25.5°C (77.9°F). During December, the nighttime temperatures align closely with the daytime averages, measuring a still warm 23.1°C (73.6°F).Humidity
The months with the lowest humidity are January and December, with an average relative humidity of 72%.Rainfall
December is the last month it rains. During 1.2 rainfall days, in December, Sal aggregates 2mm (0.08") of precipitation. In Sal, during the entire year, the rain falls for 37.7 days and collects up to 90mm (3.54") of precipitation.Sea temperature
In December, the average sea temperature is 24°C (75.2°F).Note: Think about diving into 24°C (75.2°F) waters. Factors like your sensitivity to cold, the brightness of the sun, wind conditions, and the day's warmth play a role. For reference, Olympic swimming competitions use waters between 25°C (77°F) and 28°C (82.4°F).
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 06:44 and sunset at 17:57. On the last day of December, sunrise is at 07:00 and sunset at 18:09 -01.
Sunshine
In December, the average sunshine is 8.3h.UV index
January through August, November 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 unprotected exposure to Sun's UV rays for ordinary individuals.Note: The average daily UV index of 6 in December transforms into the following instructions:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Be on guard! The reflective nature of sand and water boosts UV exposure.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December?
What is the least humid month?
What is the average humidity in December?
What is the last month it rains?
What is the water temperature in December?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
How many hours of sunshine does Sal have in December?
What is the month with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Sal, Cape Verde
- Average high temperature in December: 24.1°C
The warmest month (with the highest average high temperature) is October (26.7°C).
The month with the lowest average high temperature is March (21.6°C).
- Average low temperature in December: 23.1°C
The month with the highest average low temperature is September (26°C).
The coldest month (with the lowest average low temperature) is March (20.6°C).
Average pressure in December
Sal, Cape Verde
- Average pressure in December: 1015.3mbar
The month with the highest atmospheric pressure is January (1016.2mbar).
The month with the lowest atmospheric pressure is August (1013mbar).
Average wind speed in December
Sal, Cape Verde
- Average wind speed in December: 27.4km/h
The windiest month (with the highest average wind speed) is February (30.2km/h).
The calmest month (with the lowest average wind speed) is August (17.9km/h).
Average humidity in December
Sal, Cape Verde
- Average humidity in December: 72%
The months with the highest relative humidity are June and July (84%).
The months with the lowest relative humidity are January and December (72%).
Average rainfall in December
Sal, Cape Verde
- Average rainfall in December: 2mm
The wettest month (with the highest rainfall) is August (35mm).
The driest month (with the least rainfall) is January (0mm).
Average rainfall days in December
Sal, Cape Verde
- Average rainfall days in December: 1.2 days
The month with the highest number of rainy days is September (8 days).
The month with the least rainy days is January (1 days).
Average sea temperature in December
Sal, Cape Verde
- Average sea temperature in December: 24°C
The best month for swimming (with the highest average sea temperature) is September (27°C).
The coldest months (with the lowest average sea temperature) are January, February, March, April and May (22°C).
Average daylight in December /
Average sunshine in December
Sal, 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 12min).
- Average sunshine in December: 8h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is August (Average sunshine: 7h and 0min).
Average sunshine days in December
Sal, Cape Verde
- Average sunshine days in December: 28.6 days
The month with the most sunshine days is January (29.5 days).
The month with the least sunshine days is September (18.9 days).
Average UV index in December
Sal, 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
Sal, Cape Verde
- Average cloud cover in December: 20
The month with the most cloud cover is August (Cloud cover 48).
The month with the least cloud cover is January (Cloud cover 18).
Average visibility in December
Sal, 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).
