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 shift into December finds Chavão at an average high-temperature of a still moderate 13.5°C (56.3°F), closely comparable to November's conditions. In the month of December, Chavão records a consistent average low-temperature of 7.5°C (45.5°F).Humidity
In December, the average relative humidity is 81%.Rainfall
In December, the rain falls for 13.5 days. Throughout December, 122mm (4.8") of precipitation is accumulated. Throughout the year, in Chavão, there are 127.9 rainfall days, and 828mm (32.6") of precipitation is accumulated.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year.On the first day of December, 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 5.4h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 3 in December interprets into the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Chavão in December?
What is the average humidity in December?
How many days does it rain in December?
What is the month with the shortest days?
How many hours of daylight does Chavão have in December?
What time are sunrise and sunset in December in Chavão?
How long on average sun shines in December?
What is the month with the lowest UV index?
What is the UV index intensity in December in Chavão?
Average temperature in December
Chavão, 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
Chavão, 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
Chavão, 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 (7.3km/h).
Average humidity in December
Chavão, 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
Chavão, 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
Chavão, 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
Chavão, 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 54min).
Average sunshine days in December
Chavão, 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
Chavão, 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
Chavão, 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
Chavão, 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).
