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 onset records a minor alteration in the average high-temperature to a still refreshing 15.1°C (59.2°F) from November's 17.2°C (63°F). Alpiarça's temperature tends to fall to an average low of 7.5°C (45.5°F) during the nights of December.Humidity
In Alpiarça, the average relative humidity in December is 78%.Rainfall
In Alpiarça, in December, it is raining for 10.1 days, with typically 42mm (1.65") of accumulated precipitation. In Alpiarça, during the entire year, the rain falls for 107.9 days and collects up to 335mm (13.19") of precipitation.Daylight
The month with the shortest days is December, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 07:35 and sunset at 17:11. On the last day of December, in Alpiarça, sunrise is at 07:53 and sunset at 17:21 WET.
Sunshine
The average sunshine in December is 5.6h.UV index
January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.Note: The daily high UV index of 3 in December translates into this advice:
Exercise caution. Those with pale skin may experience burns in less than half an hour. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Frequently asked questions
What is the usual temperature for Alpiarça in December?
What is the average humidity in December in Alpiarça?
How much does it rain in Alpiarça in December?
What is the month with the shortest days in Alpiarça?
How many hours of daylight does Alpiarça have in December?
When is the sunrise / sunset in December in Alpiarça?
How long on average sun shines in December in Alpiarça?
What are the months with the lowest UV index in Alpiarça?
What is the UV index intensity in December in Alpiarça?
Average temperature in December
Alpiarça, Portugal
- Average high temperature in December: 15.1°C
The warmest month (with the highest average high temperature) is August (31°C).
The month with the lowest average high temperature is January (14°C).
- Average low temperature in December: 7.5°C
The month with the highest average low temperature is July (15.8°C).
The coldest months (with the lowest average low temperature) are January and February (6.8°C).
Average pressure in December
Alpiarça, Portugal
- Average pressure in December: 1022.6mbar
The month with the highest atmospheric pressure is December (1022.6mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).
Average wind speed in December
Alpiarça, Portugal
- Average wind speed in December: 11.2km/h
The windiest month (with the highest average wind speed) is July (13.2km/h).
The calmest month (with the lowest average wind speed) is September (10.5km/h).
Average humidity in December
Alpiarça, Portugal
- Average humidity in December: 78%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is August (62%).
Average rainfall in December
Alpiarça, Portugal
- Average rainfall in December: 42mm
The wettest month (with the highest rainfall) is November (53mm).
The driest months (with the least rainfall) are July and August (3mm).
Average rainfall days in December
Alpiarça, Portugal
- Average rainfall days in December: 10.1 days
The month with the highest number of rainy days is November (13.9 days).
The month with the least rainy days is August (2.4 days).
Average daylight in December /
Average sunshine in December
Alpiarça, Portugal
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- 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 12min).
Average sunshine days in December
Alpiarça, Portugal
- Average sunshine days in December: 19.3 days
The month with the most sunshine days is July (27.3 days).
The months with the least sunshine days are April and November (14.6 days).
Average UV index in December
Alpiarça, 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, November and December (UV index 3).
Average cloud cover in December
Alpiarça, Portugal
- Average cloud cover in December: 37
The month with the most cloud cover is January (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in December
Alpiarça, Portugal
- Average visibility in December: 9km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February, March, April, May, July, August, September, October, November and December (9km).
Alpiarça, Portugal
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