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 transition into December notes an average high-temperature of a still mild 13.5°C (56.3°F), revealing a mild distinction from the 15.2°C (59.4°F) in November. In Adães, the nighttime temperature averages to a frosty 8.1°C (46.6°F) during December.Humidity
The average relative humidity in December in Adães is 81%.Rainfall
In December, the rain falls for 13.8 days. Throughout December, 129mm (5.08") of precipitation is accumulated. Throughout the year, there are 139.3 rainfall days, and 934mm (36.77") of precipitation is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 12min of daylight.On the first day of December in Adães, Portugal, sunrise is at 07:41 and sunset at 17:05. On the last day of the month, sunrise is at 08:00 and sunset at 17:14 WET.
Sunshine
In December, the average sunshine is 5.3h.UV index
The months with the lowest UV index in Adães are January through March, November and December, with an average maximum UV index of 3. 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: An average maximum UV index of 3 in December leads to these recommendations:
Be vigilant - Preventing sunburn is recommended. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures in Adães?
What is the average humidity in December in Adães?
How much does it rain in Adães in December?
What is the month with the shortest days in Adães?
What is the average length of the day in December in Adães?
What time are sunrise and sunset in December in Adães?
How many hours of sunshine does Adães have in December?
What is the month with the lowest UV index in Adães?
How high is the UV index in December in Adães?
Average temperature in December
Adães, Portugal
- Average high temperature in December: 13.5°C
The warmest month (with the highest average high temperature) is August (25.9°C).
The month with the lowest average high temperature is January (12.8°C).
- Average low temperature in December: 8.1°C
The month with the highest average low temperature is August (15.5°C).
The coldest months (with the lowest average low temperature) are January and February (6.9°C).
Average pressure in December
Adães, 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
Adães, Portugal
- Average wind speed in December: 10.7km/h
The windiest month (with the highest average wind speed) is February (11.4km/h).
The calmest month (with the lowest average wind speed) is September (8.8km/h).
Average humidity in December
Adães, Portugal
- Average humidity in December: 81%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is September (68%).
Average rainfall in December
Adães, Portugal
- Average rainfall in December: 129mm
The wettest month (with the highest rainfall) is November (144mm).
The driest month (with the least rainfall) is July (10mm).
Average rainfall days in December
Adães, Portugal
- Average rainfall days in December: 13.8 days
The month with the highest number of rainy days is November (16.5 days).
The month with the least rainy days is August (4.8 days).
Average daylight in December /
Average sunshine in December
Adães, Portugal
- Average daylight in December: 9h and 1min
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 12min).
- Average sunshine in December: 5h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in December
Adães, Portugal
- Average sunshine days in December: 16.4 days
The month with the most sunshine days is August (24.3 days).
The month with the least sunshine days is November (12.5 days).
Average UV index in December
Adães, 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, November and December (UV index 3).
Average cloud cover in December
Adães, Portugal
- Average cloud cover in December: 42
The month with the most cloud cover is January (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 20).
Average visibility in December
Adães, Portugal
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
