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 sea temperature 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
The arrival of December marks a slight shift to an average high-temperature of a mild 15.7°C (60.3°F) from November's 17.4°C (63.3°F). Trafaria's December nights exhibit a subtle drop in temperature, averaging at a fresh 12°C (53.6°F), closely aligned with the daytime highs.Humidity
The months with the highest humidity are January, April, July and December, with an average relative humidity of 75%.Rainfall
In Trafaria, Portugal, during December, the rain falls for 8.3 days and regularly aggregates up to 29mm (1.14") of precipitation. Throughout the year, there are 85.8 rainfall days, and 215mm (8.46") of precipitation is accumulated.Sea temperature
In December, the average sea temperature in Trafaria is 16.6°C (61.9°F).Note: In 16.6°C (61.9°F), swimming is not an enjoyable activity for most. The challenge of managing one's breathing increases as the temperature goes under 21°C (69.8°F).
Daylight
December has the shortest days of the year in Trafaria, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 07:36 and sunset at 17:15. On the last day of December, sunrise is at 07:54 and sunset at 17:25 WET.
Sunshine
In Trafaria, the average sunshine in December is 6h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily maximum UV index of 4 in December interprets into the following advice:
Adopt protective measures - It is advised to guard against sun damage. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Frequently asked questions
What are the temperatures in Trafaria in December?
What is the most humid month in Trafaria?
What is the average humidity in December in Trafaria?
How much does it rain in Trafaria in December?
What is the sea water temperature in December in Trafaria?
What is the month with the shortest days in Trafaria?
What is the average length of the day in December in Trafaria?
When is the sunrise / sunset in December in Trafaria?
How many hours of sunshine does Trafaria have in December?
What are the months with the lowest UV index in Trafaria?
What is the UV index intensity in December in Trafaria?
Average temperature in December
Trafaria, 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
Trafaria, 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
Trafaria, 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
Trafaria, 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
Trafaria, 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
Trafaria, 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 sea temperature in December
Trafaria, Portugal
- Average sea temperature in December: 16.6°C
The best month for swimming (with the highest average sea temperature) is September (19.9°C).
The coldest month (with the lowest average sea temperature) is March (15.1°C).
Average daylight in December /
Average sunshine in December
Trafaria, 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
Trafaria, 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
Trafaria, 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
Trafaria, 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
Trafaria, 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).
Trafaria, Portugal
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