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
Weather in December
Temperature
Velas's weather in December displays an average high-temperature of a still refreshing 16.9°C (62.4°F), showing minor disparity from November's 17.9°C (64.2°F). Night temperatures during December experience a slight downturn, averaging a mild 15.5°C (59.9°F).Humidity
The average relative humidity in December is 80%.Rainfall
The month with the most rainfall is December, when the rain falls for 19.6 days and typically aggregates up to 116mm (4.57") of precipitation.Sea temperature
In Velas, Portugal, in December, the average water temperature is 17°C (62.6°F).Note: In water with a temperature of 17°C (62.6°F), most people do not enjoy swimming. As the temperature descends from 21°C (69.8°F) to 15°C (59°F), breathing becomes increasingly difficult to control.
Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 07:52 and sunset at 17:31. On the last day of December, sunrise is at 08:10 and sunset at 17:41 -01.
Sunshine
With an average of 4.6h of sunshine, December has the least sunshine of the year.UV index
The months with the lowest UV index are January through May, November and December, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: In December, the maximum UV index of 4 suggests these recommendations:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Frequently asked questions
What is the average December temperature in Velas?
What is the average humidity in December in Velas?
What is the wettest month in Velas?
How many days does it rain in December in Velas?
What is the sea water temperature in December in Velas?
What is the month with the shortest days in Velas?
What is the average length of the day in December in Velas?
When are sunrise and sunset in December in Velas?
What is the month with the least sunshine in Velas?
How many hours of sunshine does Velas have in December?
What are the months with the lowest UV index in Velas?
How high is the UV index in December in Velas?
Average temperature in December
Velas, Portugal
- Average high temperature in December: 16.9°C
The warmest month (with the highest average high temperature) is August (22.8°C).
The month with the lowest average high temperature is March (15.3°C).
- Average low temperature in December: 15.5°C
The month with the highest average low temperature is August (21.2°C).
The coldest month (with the lowest average low temperature) is March (13.8°C).
Average pressure in December
Velas, Portugal
- Average pressure in December: 1019.1mbar
The month with the highest atmospheric pressure is July (1024.6mbar).
The month with the lowest atmospheric pressure is October (1016.8mbar).
Average wind speed in December
Velas, Portugal
- Average wind speed in December: 25.6km/h
The windiest month (with the highest average wind speed) is December (25.6km/h).
The calmest month (with the lowest average wind speed) is July (14.4km/h).
Average humidity in December
Velas, Portugal
- Average humidity in December: 80%
The month with the highest relative humidity is June (83%).
The months with the lowest relative humidity are September and November (78%).
Average rainfall in December
Velas, Portugal
- Average rainfall in December: 116mm
The wettest month (with the highest rainfall) is December (116mm).
The driest month (with the least rainfall) is July (26mm).
Average rainfall days in December
Velas, Portugal
- Average rainfall days in December: 19.6 days
The month with the highest number of rainy days is October (20 days).
The month with the least rainy days is July (13.6 days).
Average sea temperature in December
Velas, 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
Velas, Portugal
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 4h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 6min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).
Average sunshine days in December
Velas, Portugal
- Average sunshine days in December: 6.3 days
The month with the most sunshine days is July (11 days).
The months with the least sunshine days are February and December (6.3 days).
Average UV index in December
Velas, Portugal
- Average UV index in December: 4
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, March, April, May, November and December (UV index 4).
Average cloud cover in December
Velas, Portugal
- Average cloud cover in December: 54
The months with the most cloud cover are January, March, November and December (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 42).
Average visibility in December
Velas, Portugal
- 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).
Velas, Portugal
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