December
Weather in December
Temperature
The arrival of December brings an average high-temperature of a moderate 14°C (57.2°F), nearly identical to November's 16°C (60.8°F). Corvo Island experiences a minimal drop from daytime high temperatures, recording an average low-temperature of 10°C (50°F) throughout December.Rainfall
The month with the most rainfall is December, when the rain falls for 19 days and typically aggregates up to 140mm (5.51") of precipitation.Sea temperature
In Corvo Island, the average seawater temperature in December is 17°C (62.6°F).Note: Most people do not enjoy swimming in water of 17°C (62.6°F). Breathing control becomes harder as the temperature descends from 21°C (69.8°F) to 15°C (59°F).
Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 08:06 and sunset at 17:40. On the last day of December, in Corvo Island, sunrise is at 08:25 and sunset at 17:50 -01.
Sunshine
The months with the least sunshine are January, February, November and December, with an average of 3h of sunshine.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: A daily high UV index of 2 in December leads to these guidelines:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. When the Sun is at its strongest around midday, find shade and limit exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature?
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When is the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Corvo Island, Portugal
- Average high temperature in December: 14°C
The warmest month (with the highest average high temperature) is August (22°C).
The months with the lowest average high temperature are January, February and March (13°C).
- Average low temperature in December: 10°C
The month with the highest average low temperature is August (16°C).
The coldest month (with the lowest average low temperature) is February (8°C).
Average rainfall in December
Corvo Island, Portugal
- Average rainfall in December: 140mm
The wettest month (with the highest rainfall) is December (140mm).
The driest month (with the least rainfall) is July (55mm).
Average rainfall days in December
Corvo Island, Portugal
- Average rainfall days in December: 19 days
The month with the highest number of rainy days is January (20 days).
The months with the least rainy days are June, July and August (12 days).
Average sea temperature in December
Corvo Island, Portugal
- Average sea temperature in December: 17°C
The best months for swimming (with the highest average sea temperature) are August and September (23°C).
The coldest months (with the lowest average sea temperature) are January, February, March and April (16°C).
Average daylight in December /
Average sunshine in December
Corvo Island, Portugal
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 3h
The months with the most sunshine are July and August (Average sunshine: 7h).
The months with the least sunshine are January, February, November and December (Average sunshine: 3h).
Average UV index in December
Corvo Island, Portugal
- Average UV index in December: 2
The month with the highest UV index is July (UV index 9).
The months with the lowest UV index are January and December (UV index 2).
