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 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 advent of December presents an average high-temperature of a still moderate 13.6°C (56.5°F), maintaining a close correlation with the preceding month. In the month of December, the nighttime temperature dips to a steady average of 7.3°C (45.1°F).Humidity
In December, the average relative humidity is 80%.Rainfall
In Rocas do Vouga, during December, the rain falls for 13.4 days and regularly aggregates up to 115mm (4.53") of precipitation. In Rocas do Vouga, during the entire year, the rain falls for 135.4 days and collects up to 778mm (30.63") of precipitation.Daylight
The month with the shortest days is December, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 07:38 and sunset at 17:06. On the last day of December, sunrise is at 07:57 and sunset at 17:15 WET.
Sunshine
In Rocas do Vouga, the average sunshine in December is 5.6h.UV index
January through March, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index, 3 in December, converts into the following recommendations:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Rocas do Vouga in December?
What is the average humidity in December?
How much does it rain in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
How long on average sun shines in December?
What is the month with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Rocas do Vouga, Portugal
- Average high temperature in December: 13.6°C
The warmest month (with the highest average high temperature) is August (27.1°C).
The month with the lowest average high temperature is January (12.6°C).
- Average low temperature in December: 7.3°C
The months with the highest average low temperature are July and August (14.8°C).
The coldest month (with the lowest average low temperature) is January (6°C).
Average pressure in December
Rocas do Vouga, Portugal
- Average pressure in December: 1022.6mbar
The month with the highest atmospheric pressure is December (1022.6mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).
Average wind speed in December
Rocas do Vouga, Portugal
- Average wind speed in December: 9.1km/h
The windiest month (with the highest average wind speed) is February (9.7km/h).
The calmest month (with the lowest average wind speed) is September (7.3km/h).
Average humidity in December
Rocas do Vouga, Portugal
- Average humidity in December: 80%
The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are August and September (66%).
Average rainfall in December
Rocas do Vouga, Portugal
- Average rainfall in December: 115mm
The wettest month (with the highest rainfall) is November (119mm).
The driest month (with the least rainfall) is July (8mm).
Average rainfall days in December
Rocas do Vouga, Portugal
- Average rainfall days in December: 13.4 days
The month with the highest number of rainy days is November (15.7 days).
The month with the least rainy days is August (4.3 days).
Average daylight in December /
Average sunshine in December
Rocas do Vouga, Portugal
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 5h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days in December
Rocas do Vouga, Portugal
- Average sunshine days in December: 16.4 days
The month with the most sunshine days is August (25.3 days).
The month with the least sunshine days is November (11.6 days).
Average UV index in December
Rocas do Vouga, Portugal
- Average UV index in December: 3
The months with the highest UV index are June and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 3).
Average cloud cover in December
Rocas do Vouga, Portugal
- Average cloud cover in December: 41
The month with the most cloud cover is January (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in December
Rocas do Vouga, Portugal
- Average visibility in December: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (9km).
The month with the lowest visibility is January (8km).
