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
As December unfolds, the average high-temperature reaches a still refreshing 14.3°C (57.7°F), hinting at a slight fluctuation from the previous month. During the month of December, Aveiro's nighttime temperature lowers to an average of 8.6°C (47.5°F).Humidity
The average relative humidity in December in Aveiro is 79%.Rainfall
In Aveiro, in December, during 12.1 rainfall days, 84mm (3.31") of precipitation is typically accumulated. Throughout the year, in Aveiro, there are 125.4 rainfall days, and 619mm (24.37") of precipitation is accumulated.Daylight
The month with the shortest days in Aveiro is December, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 07:39 and sunset at 17:08. On the last day of December, sunrise is at 07:58 and sunset at 17:17 WET.
Sunshine
In Aveiro, the average sunshine in December is 5.7h.UV index
January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: In December, a daily maximum UV index of 3 leads to the following instructions:
Ensure safety - Recommendations to avert sunburn are presented. The solar radiation around mid-day is intense; avoid the Sun and stay safe. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Aveiro in December?
What is the average humidity in December in Aveiro?
How much does it rain in Aveiro in December?
What is the month with the shortest days in Aveiro?
What is the average length of the day in December in Aveiro?
When is the sunrise / sunset in December in Aveiro?
How many hours of sunshine does Aveiro have in December?
When is the lowest UV index in Aveiro?
What is the UV index reading in December in Aveiro?
Average temperature in December
Aveiro, Portugal
- Average high temperature in December: 14.3°C
The warmest month (with the highest average high temperature) is August (25.4°C).
The month with the lowest average high temperature is January (13.3°C).
- Average low temperature in December: 8.6°C
The month with the highest average low temperature is August (15.9°C).
The coldest month (with the lowest average low temperature) is February (7.6°C).
Average pressure in December
Aveiro, 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
Aveiro, Portugal
- Average wind speed in December: 12km/h
The windiest month (with the highest average wind speed) is February (12.9km/h).
The calmest month (with the lowest average wind speed) is September (9.8km/h).
Average humidity in December
Aveiro, Portugal
- Average humidity in December: 79%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is September (70%).
Average rainfall in December
Aveiro, Portugal
- Average rainfall in December: 84mm
The wettest month (with the highest rainfall) is November (94mm).
The driest month (with the least rainfall) is July (6mm).
Average rainfall days in December
Aveiro, Portugal
- Average rainfall days in December: 12.1 days
The month with the highest number of rainy days is November (14.9 days).
The month with the least rainy days is August (3.3 days).
Average daylight in December /
Average sunshine in December
Aveiro, 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 18min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in December
Aveiro, Portugal
- Average sunshine days in December: 17.8 days
The month with the most sunshine days is August (25.8 days).
The month with the least sunshine days is November (12.9 days).
Average UV index in December
Aveiro, Portugal
- Average UV index in December: 3
The months with the highest UV index are May, June, July, August and September (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in December
Aveiro, Portugal
- Average cloud cover in December: 39
The month with the most cloud cover is January (Cloud cover 43).
The months with the least cloud cover are July, August and September (Cloud cover 19).
Average visibility in December
Aveiro, Portugal
- Average visibility in December: 10km
The months with the highest visibility are February, June and December (10km).
The months with the lowest visibility are January, March, April, May, July, August, September, October and November (9km).
Aveiro, Portugal
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