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 snowfall in December
- Average snowfall 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
The arrival of December sees a recorded average high-temperature of a still cool 10.1°C (50.2°F), showing little divergence from the previous month's conditions. Throughout the month of December, Trevões expects an average low of 3.2°C (37.8°F).Humidity
In December, the average relative humidity is 85%.Rainfall
December is the month with the most rainfall in Trevões. Rain falls for 9.3 days and accumulates 49mm (1.93") of precipitation.Snowfall
January through March, November and December are months with snowfall. In Trevões, in December, snow falls for 0.5 days, with typically accumulated 3mm (0.12") of snow. Throughout the year, in Trevões, there are 1.8 snowfall days, and 14mm (0.55") of snow is accumulated.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year.On the first day of December in Trevões, sunrise is at 07:35 and sunset at 17:02. On the last day of the month, sunrise is at 07:54 and sunset at 17:11 WET.
Sunshine
In Trevões, the average sunshine in December is 4.9h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index of 2 during December leads to these instructions:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. The solar radiation around mid-day is intense; avoid the Sun and stay safe. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Frequently asked questions
What are the temperatures in Trevões in December?
What is the average humidity in December in Trevões?
What is the rainiest month in Trevões?
How many days does it rain in December in Trevões?
How many days does it snow in December in Trevões?
What is the month with the shortest days in Trevões?
What is the average length of the day in December in Trevões?
When is the sunrise / sunset in December in Trevões?
How many hours of sunshine does Trevões have in December?
When is the lowest UV index in Trevões?
How high is the UV index in December in Trevões?
Average temperature in December
Trevões, Portugal
- Average high temperature in December: 10.1°C
The warmest month (with the highest average high temperature) is July (28.8°C).
The month with the lowest average high temperature is January (9.4°C).
- Average low temperature in December: 3.2°C
The month with the highest average low temperature is July (14.1°C).
The coldest month (with the lowest average low temperature) is February (2.3°C).
Average pressure in December
Trevões, Portugal
- Average pressure in December: 1022.8mbar
The month with the highest atmospheric pressure is December (1022.8mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).
Average wind speed in December
Trevões, Portugal
- Average wind speed in December: 7.3km/h
The windiest month (with the highest average wind speed) is March (8.6km/h).
The calmest month (with the lowest average wind speed) is September (6.4km/h).
Average humidity in December
Trevões, Portugal
- Average humidity in December: 85%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (56%).
Average rainfall in December
Trevões, Portugal
- Average rainfall in December: 49mm
The wettest month (with the highest rainfall) is December (49mm).
The driest month (with the least rainfall) is July (8mm).
Average rainfall days in December
Trevões, Portugal
- Average rainfall days in December: 9.3 days
The month with the highest number of rainy days is April (13.6 days).
The month with the least rainy days is August (3.9 days).
Average snowfall in December
Trevões, Portugal
- Average snowfall in December: 3mm
The month with the highest snowfall is February (7mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Trevões, Portugal
- Average snowfall days in December: 0.5 days
The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Trevões, Portugal
- Average daylight in December: 9h and 2min
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 18min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in December
Trevões, Portugal
- Average sunshine days in December: 19.9 days
The month with the most sunshine days is August (25.5 days).
The month with the least sunshine days is April (14.1 days).
Average UV index in December
Trevões, Portugal
- Average UV index in December: 2
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Trevões, Portugal
- Average cloud cover in December: 51
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in December
Trevões, Portugal
- Average visibility in December: 7km
The months with the highest visibility are June, July, August and September (9km).
The month with the lowest visibility is January (6km).
Trevões, Portugal
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