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 initiation of December sees an average high-temperature of a still moderate 13°C (55.4°F), showing minor variations from the previous month. During December, the temperature tends to dip to an average of 5.3°C (41.5°F) at night.Humidity
The average relative humidity in December in Portalegre is 80%.Rainfall
In Portalegre, in December, it is raining for 7.7 days, with typically 26mm (1.02") of accumulated precipitation. In Portalegre, during the entire year, the rain falls for 78.7 days and collects up to 219mm (8.62") of precipitation.Snowfall
April through December are months without snowfall in Portalegre.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 07:30 and sunset at 17:07. On the last day of December, sunrise is at 07:49 and sunset at 17:16 WET.
Sunshine
The average sunshine in December in Portalegre is 5.6h.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 moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index of 3 during December translates into these guidelines:
Put precautions into practice - Guidance to elude sunburn is provided. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Frequently asked questions
What is the temperature in December in Portalegre?
What is the average humidity in December in Portalegre?
How much does it rain in Portalegre in December?
When it does not snow in Portalegre?
Does it snow in Portalegre in December?
What is the month with the shortest days in Portalegre?
What is the average length of the day in December in Portalegre?
When is the sunrise / sunset in December in Portalegre?
How many hours of sunshine does Portalegre have in December?
When is the lowest UV index in Portalegre?
How high is the UV index in December in Portalegre?
Average temperature in December
Portalegre, Portugal
- Average high temperature in December: 13°C
The warmest month (with the highest average high temperature) is August (33.3°C).
The month with the lowest average high temperature is January (11.9°C).
- Average low temperature in December: 5.3°C
The month with the highest average low temperature is August (17.7°C).
The coldest month (with the lowest average low temperature) is January (4.2°C).
Average pressure in December
Portalegre, Portugal
- Average pressure in December: 1023mbar
The month with the highest atmospheric pressure is December (1023mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).
Average wind speed in December
Portalegre, Portugal
- Average wind speed in December: 10.1km/h
The windiest month (with the highest average wind speed) is February (12.1km/h).
The calmest month (with the lowest average wind speed) is September (8.4km/h).
Average humidity in December
Portalegre, Portugal
- Average humidity in December: 80%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is August (43%).
Average rainfall in December
Portalegre, Portugal
- Average rainfall in December: 26mm
The wettest month (with the highest rainfall) is November (39mm).
The driest month (with the least rainfall) is July (3mm).
Average rainfall days in December
Portalegre, Portugal
- Average rainfall days in December: 7.7 days
The month with the highest number of rainy days is April (11.7 days).
The month with the least rainy days is July (1.7 days).
Average snowfall in December
Portalegre, Portugal
- Average snowfall in December: 0mm
The month with the highest snowfall is February (5mm).
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in December
Portalegre, Portugal
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is February (0.4 days).
The months with the least snowfall days are April, May, June, July, August, September, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Portalegre, 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 months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in December
Portalegre, Portugal
- Average sunshine days in December: 22.8 days
The month with the most sunshine days is July (28.7 days).
The month with the least sunshine days is April (16.6 days).
Average UV index in December
Portalegre, Portugal
- Average UV index in December: 3
The month with the highest UV index is August (UV index 7).
The months with the lowest UV index are January, February, March, November and December (UV index 3).
Average cloud cover in December
Portalegre, Portugal
- Average cloud cover in December: 37
The month with the most cloud cover is January (Cloud cover 42).
The months with the least cloud cover are July and August (Cloud cover 8).
Average visibility in December
Portalegre, Portugal
- Average visibility in December: 9km
The months with the highest visibility are June, July, August and September (10km).
The month with the lowest visibility is January (8km).
Portalegre, Portugal
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