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 signifies a minor shift to an average high-temperature of a mild 14.2°C (57.6°F), aligning closely with November. Nighttime temperature in Alvega experiences an average drop to a frosty 6.6°C (43.9°F) in December.Humidity
In Alvega, the average relative humidity in December is 78%.Rainfall
In December, the rain falls for 8.3 days. Throughout December, 42mm (1.65") of precipitation is accumulated. Throughout the year, in Alvega, there are 85.1 rainfall days, and 280mm (11.02") of precipitation is accumulated.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year in Alvega.On the first day of the month, sunrise is at 07:33 and sunset at 17:09. On the last day of December, in Alvega, sunrise is at 07:52 and sunset at 17:18 WET.
Sunshine
In December, the average sunshine is 5.7h.UV index
The months with the lowest UV index in Alvega are January, February, November and December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: A typical high UV index of 3 in December suggests the following recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Frequently asked questions
What is the usual temperature for Alvega in December?
What is the average humidity in December in Alvega?
How much does it rain in Alvega in December?
What is the month with the shortest days in Alvega?
What is the average length of the day in December in Alvega?
When is the sunrise / sunset in December in Alvega?
How many hours of sunshine does Alvega have in December?
What are the months with the lowest UV index in Alvega?
What is the UV index reading in December in Alvega?
Average temperature in December
Alvega, Portugal
- Average high temperature in December: 14.2°C
The warmest month (with the highest average high temperature) is August (32.7°C).
The month with the lowest average high temperature is January (13.3°C).
- Average low temperature in December: 6.6°C
The month with the highest average low temperature is August (15.7°C).
The coldest month (with the lowest average low temperature) is January (5.7°C).
Average pressure in December
Alvega, Portugal
- Average pressure in December: 1022.8mbar
The month with the highest atmospheric pressure is December (1022.8mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).
Average wind speed in December
Alvega, Portugal
- Average wind speed in December: 10.7km/h
The windiest month (with the highest average wind speed) is February (12.6km/h).
The calmest month (with the lowest average wind speed) is September (9.8km/h).
Average humidity in December
Alvega, Portugal
- Average humidity in December: 78%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is August (55%).
Average rainfall in December
Alvega, Portugal
- Average rainfall in December: 42mm
The wettest month (with the highest rainfall) is November (50mm).
The driest months (with the least rainfall) are July and August (3mm).
Average rainfall days in December
Alvega, Portugal
- Average rainfall days in December: 8.3 days
The month with the highest number of rainy days is November (11.2 days).
The month with the least rainy days is August (1.6 days).
Average daylight in December /
Average sunshine in December
Alvega, 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: 5h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in December
Alvega, Portugal
- Average sunshine days in December: 21.6 days
The months with the most sunshine days are July and August (28.7 days).
The month with the least sunshine days is November (17.9 days).
Average UV index in December
Alvega, Portugal
- Average UV index in December: 3
The months with the highest UV index are May, June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in December
Alvega, Portugal
- Average cloud cover in December: 38
The month with the most cloud cover is January (Cloud cover 43).
The month with the least cloud cover is July (Cloud cover 12).
Average visibility in December
Alvega, Portugal
- Average visibility in December: 9km
The month with the highest visibility is June (10km).
The month with the lowest visibility is January (8km).
Alvega, Portugal
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