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
Weather in December
Temperature
The advent of December denotes an average high-temperature of a still moderate 13°C (55.4°F), subtly different from November's 14.5°C (58.1°F). Arcos de Valdevez records an average nighttime low of 7.3°C (45.1°F) in December.Humidity
The average relative humidity in December in Arcos de Valdevez is 84%.Rainfall
In Arcos de Valdevez, Portugal, during December, the rain falls for 14.2 days and regularly aggregates up to 137mm (5.39") of precipitation. In Arcos de Valdevez, Portugal, during the entire year, the rain falls for 145.4 days and collects up to 998mm (39.29") of precipitation.Daylight
The month with the shortest days in Arcos de Valdevez is December, with an average of 9h and 12min of daylight.On the first day of December, sunrise is at 07:42 and sunset at 17:03. On the last day of the month, sunrise is at 08:01 and sunset at 17:12 WET.
Sunshine
In December, the average sunshine in Arcos de Valdevez is 5.2h.UV index
The months with the lowest UV index in Arcos de Valdevez are January through April, November and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: The UV index of 3 in December translates into these instructions:
Adopt protective measures - It is advised to guard against sun damage. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Frequently asked questions
What is the temperature in December in Arcos de Valdevez?
What is the average humidity in December in Arcos de Valdevez?
How many days does it rain in December in Arcos de Valdevez?
What is the month with the shortest days in Arcos de Valdevez?
How many hours of daylight does Arcos de Valdevez have in December?
When is the sunrise / sunset in December in Arcos de Valdevez?
How many hours of sunshine does Arcos de Valdevez have in December?
What are the months with the lowest UV index in Arcos de Valdevez?
What is the UV index reading in December in Arcos de Valdevez?
Average temperature in December
Arcos de Valdevez, Portugal
- Average high temperature in December: 13°C
The warmest month (with the highest average high temperature) is August (26.3°C).
The month with the lowest average high temperature is January (11.8°C).
- Average low temperature in December: 7.3°C
The months with the highest average low temperature are July and August (14.4°C).
The coldest month (with the lowest average low temperature) is February (5.8°C).
Average pressure in December
Arcos de Valdevez, Portugal
- Average pressure in December: 1022.3mbar
The month with the highest atmospheric pressure is December (1022.3mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).
Average wind speed in December
Arcos de Valdevez, Portugal
- Average wind speed in December: 9.6km/h
The windiest month (with the highest average wind speed) is February (10.3km/h).
The calmest month (with the lowest average wind speed) is September (7.8km/h).
Average humidity in December
Arcos de Valdevez, Portugal
- Average humidity in December: 84%
The month with the highest relative humidity is January (86%).
The months with the lowest relative humidity are August and September (69%).
Average rainfall in December
Arcos de Valdevez, Portugal
- Average rainfall in December: 137mm
The wettest month (with the highest rainfall) is November (154mm).
The driest month (with the least rainfall) is July (11mm).
Average rainfall days in December
Arcos de Valdevez, Portugal
- Average rainfall days in December: 14.2 days
The month with the highest number of rainy days is November (17.2 days).
The month with the least rainy days is August (5.4 days).
Average daylight in December /
Average sunshine in December
Arcos de Valdevez, Portugal
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 5h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in December
Arcos de Valdevez, Portugal
- Average sunshine days in December: 16.3 days
The month with the most sunshine days is August (24.3 days).
The month with the least sunshine days is November (11.7 days).
Average UV index in December
Arcos de Valdevez, Portugal
- Average UV index in December: 3
The month with the highest UV index is August (UV index 6).
The months with the lowest UV index are January, February, March, April, November and December (UV index 3).
Average cloud cover in December
Arcos de Valdevez, Portugal
- Average cloud cover in December: 44
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 21).
Average visibility in December
Arcos de Valdevez, 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).
Arcos de Valdevez, Portugal
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