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 onset of December brings an average high-temperature of a still mild 14.1°C (57.4°F), nearly matching the November temperature. The temperature in Assilhó dips to an average of 7°C (44.6°F) during December nights.Humidity
The average relative humidity in December in Assilhó is 80%.Rainfall
In Assilhó, in December, it is raining for 11.7 days, with typically 96mm (3.78") of accumulated precipitation. In Assilhó, during the entire year, the rain falls for 123.9 days and collects up to 660mm (25.98") of precipitation.Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 07:38 and sunset at 17:07. On the last day of December, in Assilhó, sunrise is at 07:57 and sunset at 17:16 WET.
Sunshine
In December, the average sunshine is 5.7h.UV index
The months with the lowest UV index in Assilhó are January through March, November and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 3 during December leads to these advisories:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Assilhó in December?
What is the average humidity in December in Assilhó?
How much does it rain in Assilhó in December?
What is the month with the shortest days in Assilhó?
How many hours of daylight does Assilhó have in December?
When are sunrise and sunset in December in Assilhó?
How many hours of sunshine does Assilhó have in December?
When is the lowest UV index in Assilhó?
How high is the UV index in December in Assilhó?
Average temperature in December
Assilhó, Portugal
- Average high temperature in December: 14.1°C
The warmest month (with the highest average high temperature) is August (28.4°C).
The month with the lowest average high temperature is January (13.1°C).
- Average low temperature in December: 7°C
The month with the highest average low temperature is August (14.6°C).
The coldest month (with the lowest average low temperature) is January (5.7°C).
Average pressure in December
Assilhó, 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
Assilhó, Portugal
- Average wind speed in December: 8.6km/h
The windiest month (with the highest average wind speed) is March (9km/h).
The calmest month (with the lowest average wind speed) is September (7.3km/h).
Average humidity in December
Assilhó, Portugal
- Average humidity in December: 80%
The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are August and September (65%).
Average rainfall in December
Assilhó, Portugal
- Average rainfall in December: 96mm
The wettest month (with the highest rainfall) is November (98mm).
The driest month (with the least rainfall) is July (5mm).
Average rainfall days in December
Assilhó, Portugal
- Average rainfall days in December: 11.7 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
Assilhó, 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 12min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in December
Assilhó, Portugal
- Average sunshine days in December: 18.2 days
The month with the most sunshine days is August (25.5 days).
The month with the least sunshine days is November (13.7 days).
Average UV index in December
Assilhó, Portugal
- Average UV index in December: 3
The months with the highest UV index are June, July 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
Assilhó, Portugal
- Average cloud cover in December: 40
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
Assilhó, Portugal
- Average visibility in December: 9km
The months with the highest visibility are May, June, September, October and December (9km).
The months with the lowest visibility are January, February, March, April, July, August and November (8km).
