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 advent notes a subtle adjustment in average high-temperature to a still moderate 14°C (57.2°F) from November. An average low-temperature of 6.5°C (43.7°F) is recorded during the nights in December.Humidity
The average relative humidity in December is 80%.Rainfall
In São Pedro de Alva, Portugal, in December, it is raining for 11 days, with typically 70mm (2.76") of accumulated precipitation. Throughout the year, in São Pedro de Alva, there are 119.4 rainfall days, and 525mm (20.67") of precipitation is accumulated.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year in São Pedro de Alva, Portugal.On the first day of the month, sunrise is at 07:36 and sunset at 17:07. On the last day of December, in São Pedro de Alva, sunrise is at 07:55 and sunset at 17:16 WET.
Sunshine
In São Pedro de Alva, the average sunshine in December is 5.7h.UV index
January through March, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index, 3 in December, converts into the following recommendations:
Take necessary precautions - Suggestions to elude sunburn are provided. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Frequently asked questions
What are the temperatures in São Pedro de Alva in December?
What is the average humidity in December in São Pedro de Alva?
How much does it rain in São Pedro de Alva in December?
What is the month with the shortest days in São Pedro de Alva?
How many hours of daylight does São Pedro de Alva have in December?
When is the sunrise / sunset in December in São Pedro de Alva?
How many hours of sunshine does São Pedro de Alva have in December?
When is the lowest UV index in São Pedro de Alva?
How high is the UV index in December in São Pedro de Alva?
Average temperature in December
São Pedro de Alva, Portugal
- Average high temperature in December: 14°C
The warmest month (with the highest average high temperature) is August (29.2°C).
The month with the lowest average high temperature is January (12.9°C).
- Average low temperature in December: 6.5°C
The month with the highest average low temperature is July (14.5°C).
The coldest month (with the lowest average low temperature) is January (5.4°C).
Average pressure in December
São Pedro de Alva, Portugal
- Average pressure in December: 1022.7mbar
The month with the highest atmospheric pressure is December (1022.7mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).
Average wind speed in December
São Pedro de Alva, Portugal
- Average wind speed in December: 8.4km/h
The windiest month (with the highest average wind speed) is March (9km/h).
The calmest month (with the lowest average wind speed) is September (7.2km/h).
Average humidity in December
São Pedro de Alva, Portugal
- Average humidity in December: 80%
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
São Pedro de Alva, Portugal
- Average rainfall in December: 70mm
The wettest month (with the highest rainfall) is November (77mm).
The driest month (with the least rainfall) is July (4mm).
Average rainfall days in December
São Pedro de Alva, Portugal
- Average rainfall days in December: 11 days
The month with the highest number of rainy days is April (14.7 days).
The month with the least rainy days is August (2.8 days).
Average daylight in December /
Average sunshine in December
São Pedro de Alva, Portugal
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 5h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days in December
São Pedro de Alva, Portugal
- Average sunshine days in December: 18.9 days
The month with the most sunshine days is August (27.5 days).
The months with the least sunshine days are April and November (14.3 days).
Average UV index in December
São Pedro de Alva, Portugal
- Average UV index in December: 3
The months with the highest UV index are June, July and 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
São Pedro de Alva, Portugal
- Average cloud cover in December: 41
The month with the most cloud cover is January (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 22).
Average visibility in December
São Pedro de Alva, Portugal
- Average visibility in December: 9km
The months with the highest visibility are June, September, October and December (9km).
The months with the lowest visibility are January, February, March, April, May, July, August and November (8km).
São Pedro de Alva, Portugal
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