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
December's presence marks an average high-temperature of a still mild 13.6°C (56.5°F), subtly varied from November's 15.5°C (59.9°F). In Avanca, the December nights cool down to an average low of 7.3°C (45.1°F).Humidity
In December, the average relative humidity is 80%.Rainfall
In December, in Avanca, the rain falls for 13.4 days. Throughout December, 115mm (4.53") of precipitation is accumulated. Throughout the year, in Avanca, there are 135.4 rainfall days, and 778mm (30.63") of precipitation is accumulated.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year in Avanca.On the first day of December, sunrise is at 07:39 and sunset at 17:07. On the last day of the month, sunrise is at 07:58 and sunset at 17:16 WET.
Sunshine
In Avanca, Portugal, 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 estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: An average UV index of 3 in December transforms into this advice:
Undertake protective steps - Preventing sun damage is advised. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December in Avanca?
What is the average humidity in December in Avanca?
How much does it rain in Avanca in December?
What is the month with the shortest days in Avanca?
How many hours of daylight does Avanca have in December?
When are sunrise and sunset in December in Avanca?
How long on average sun shines in December in Avanca?
What is the month with the lowest UV index in Avanca?
How high is the UV index in December in Avanca?
Average temperature in December
Avanca, 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
Avanca, 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
Avanca, 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
Avanca, 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
Avanca, 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
Avanca, 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
Avanca, Portugal
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
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
Avanca, 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
Avanca, 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
Avanca, 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
Avanca, 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).
