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 average high-temperature during December is a still mild 13.5°C (56.3°F), almost matching the conditions of the preceding month. December's nights in Arentim observe an average temperature of 7.5°C (45.5°F).Humidity
The average relative humidity in December is 81%.Rainfall
In Arentim, in December, it is raining for 13.5 days, with typically 122mm (4.8") of accumulated precipitation. In Arentim, during the entire year, the rain falls for 127.3 days and collects up to 823mm (32.4") of precipitation.Daylight
The month with the shortest days is December, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 07:41 and sunset at 17:05. On the last day of December, in Arentim, sunrise is at 08:00 and sunset at 17:14 WET.
Sunshine
The average sunshine in December is 5.5h.UV index
January through March, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Arentim, Portugal. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high daily UV index of 3 during December translates into the following directions:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Arentim in December?
What is the average humidity in December in Arentim?
How much does it rain in Arentim in December?
What is the month with the shortest days in Arentim?
What is the average length of the day in December in Arentim?
What time are sunrise and sunset in December in Arentim?
How long on average sun shines in December in Arentim?
When is the lowest UV index in Arentim?
What is the UV index reading in December in Arentim?
Average temperature in December
Arentim, Portugal
- Average high temperature in December: 13.5°C
The warmest month (with the highest average high temperature) is August (27.2°C).
The month with the lowest average high temperature is January (12.6°C).
- Average low temperature in December: 7.5°C
The month with the highest average low temperature is July (15.1°C).
The coldest month (with the lowest average low temperature) is February (6.1°C).
Average pressure in December
Arentim, Portugal
- Average pressure in December: 1022.4mbar
The month with the highest atmospheric pressure is December (1022.4mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).
Average wind speed in December
Arentim, Portugal
- Average wind speed in December: 8.8km/h
The windiest month (with the highest average wind speed) is March (9.3km/h).
The calmest month (with the lowest average wind speed) is September (7.4km/h).
Average humidity in December
Arentim, Portugal
- Average humidity in December: 81%
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
Arentim, Portugal
- Average rainfall in December: 122mm
The wettest month (with the highest rainfall) is November (125mm).
The driest month (with the least rainfall) is July (8mm).
Average rainfall days in December
Arentim, Portugal
- Average rainfall days in December: 13.5 days
The month with the highest number of rainy days is November (15.6 days).
The month with the least rainy days is August (3.5 days).
Average daylight in December /
Average sunshine in December
Arentim, 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 3min
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 54min).
Average sunshine days in December
Arentim, Portugal
- Average sunshine days in December: 16.5 days
The month with the most sunshine days is August (26.2 days).
The month with the least sunshine days is November (13.2 days).
Average UV index in December
Arentim, 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
Arentim, Portugal
- Average cloud cover in December: 42
The month with the most cloud cover is January (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in December
Arentim, Portugal
- Average visibility in December: 9km
The months with the highest visibility are February, March, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January and April (8km).
