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
December's climate shows a minor adjustment in average high-temperatures to a still refreshing 15.7°C (60.3°F) from November's 17.4°C (63.3°F). Costas de Cão registers a steady nighttime temperature averaging a cool 12°C (53.6°F) throughout December.Humidity
The months with the highest humidity are January, April, July and December, with an average relative humidity of 75%.Rainfall
In Costas de Cão, in December, it is raining for 8.3 days, with typically 29mm (1.14") of accumulated precipitation. Throughout the year, there are 85.8 rainfall days, and 215mm (8.46") of precipitation is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 30min of daylight.On the first day of December in Costas de Cão, sunrise is at 07:36 and sunset at 17:15. On the last day of the month, sunrise is at 07:54 and sunset at 17:25 WET.
Sunshine
In Costas de Cão, the average sunshine in December is 6h.UV index
January through March, November and December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: During December, 4 as the daily maximum UV index converts into the following advice:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Frequently asked questions
What are the temperatures in Costas de Cão in December?
What are the most humid months in Costas de Cão?
What is the average humidity in December in Costas de Cão?
How much does it rain in Costas de Cão in December?
What is the month with the shortest days in Costas de Cão?
What is the average length of the day in December in Costas de Cão?
When are sunrise and sunset in December in Costas de Cão?
How long on average sun shines in December in Costas de Cão?
When is the lowest UV index in Costas de Cão?
What is the UV index intensity in December in Costas de Cão?
Average temperature in December
Costas de Cão, Portugal
- Average high temperature in December: 15.7°C
The warmest month (with the highest average high temperature) is August (24.5°C).
The month with the lowest average high temperature is January (14.8°C).
- Average low temperature in December: 12°C
The month with the highest average low temperature is August (18.6°C).
The coldest month (with the lowest average low temperature) is February (10.8°C).
Average pressure in December
Costas de Cão, Portugal
- Average pressure in December: 1022.5mbar
The months with the highest atmospheric pressure are January and December (1022.5mbar).
The month with the lowest atmospheric pressure is April (1015.7mbar).
Average wind speed in December
Costas de Cão, Portugal
- Average wind speed in December: 17.9km/h
The windiest month (with the highest average wind speed) is February (19.5km/h).
The calmest month (with the lowest average wind speed) is October (15.6km/h).
Average humidity in December
Costas de Cão, Portugal
- Average humidity in December: 75%
The months with the highest relative humidity are January, April, July and December (75%).
The months with the lowest relative humidity are May and October (72%).
Average rainfall in December
Costas de Cão, Portugal
- Average rainfall in December: 29mm
The wettest month (with the highest rainfall) is November (44mm).
The driest month (with the least rainfall) is July (2mm).
Average rainfall days in December
Costas de Cão, Portugal
- Average rainfall days in December: 8.3 days
The month with the highest number of rainy days is November (12.4 days).
The month with the least rainy days is August (1.9 days).
Average daylight in December /
Average sunshine in December
Costas de Cão, Portugal
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 6h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).
Average sunshine days in December
Costas de Cão, Portugal
- Average sunshine days in December: 20.6 days
The month with the most sunshine days is August (28 days).
The month with the least sunshine days is November (15.6 days).
Average UV index in December
Costas de Cão, Portugal
- Average UV index in December: 4
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 4).
Average cloud cover in December
Costas de Cão, Portugal
- Average cloud cover in December: 34
The month with the most cloud cover is January (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in December
Costas de Cão, Portugal
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Costas de Cão, Portugal
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