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
December
Weather in December
Temperature
The transition from November to December sees an average high-temperature of a still enjoyable 16.5°C (61.7°F), indicating a minor variance from the prior month. A mild drop to an average of 12.5°C (54.5°F) marks the nights during December.Humidity
In December, the average relative humidity is 74%.Rainfall
In December, the rain falls for 3.8 days. Throughout December, 7mm (0.28") of precipitation is accumulated. In Armação de Pêra, during the entire year, the rain falls for 42.9 days and collects up to 52mm (2.05") of precipitation.Sea temperature
In Armação de Pêra, Portugal, the average seawater temperature in December is 17.6°C (63.7°F).Note: Most people do not take pleasure in swimming in water at 17.6°C (63.7°F). The difficulty of managing breathing increases as the water temperature dips from 21°C (69.8°F) to 15°C (59°F).
Daylight
December has the shortest days of the year, with an average of 9h and 42min of daylight.On the first day of the month, sunrise is at 07:28 and sunset at 17:16. On the last day of December, sunrise is at 07:46 and sunset at 17:26 WET.
Sunshine
In December, the average sunshine is 6.4h.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 exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 4 in December interprets into the following recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures?
What is the average humidity in December in Armação de Pêra?
How much does it rain in December?
What is the sea water temperature in December?
What is the month with the shortest days?
How many hours of daylight does Armação de Pêra have in December?
When are sunrise and sunset in December?
How many hours of sunshine does Armação de Pêra have in December?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
Armação de Pêra, Portugal
- Average high temperature in December: 16.5°C
The warmest month (with the highest average high temperature) is August (26.9°C).
The month with the lowest average high temperature is January (15.1°C).
- Average low temperature in December: 12.5°C
The month with the highest average low temperature is August (19.8°C).
The coldest month (with the lowest average low temperature) is February (10.8°C).
Average pressure in December
Armação de Pêra, Portugal
- Average pressure in December: 1022.5mbar
The month with the highest atmospheric pressure is December (1022.5mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).
Average wind speed in December
Armação de Pêra, Portugal
- Average wind speed in December: 17km/h
The windiest month (with the highest average wind speed) is February (18.5km/h).
The calmest month (with the lowest average wind speed) is September (12.9km/h).
Average humidity in December
Armação de Pêra, Portugal
- Average humidity in December: 74%
The month with the highest relative humidity is April (76%).
The month with the lowest relative humidity is August (65%).
Average rainfall in December
Armação de Pêra, Portugal
- Average rainfall in December: 7mm
The wettest month (with the highest rainfall) is November (11mm).
The driest months (with the least rainfall) are July and August (0mm).
Average rainfall days in December
Armação de Pêra, Portugal
- Average rainfall days in December: 3.8 days
The month with the highest number of rainy days is April (6.9 days).
The month with the least rainy days is August (0.3 days).
Average sea temperature in December
Armação de Pêra, Portugal
- Average sea temperature in December: 17.6°C
The best month for swimming (with the highest average sea temperature) is August (21.7°C).
The coldest month (with the lowest average sea temperature) is March (16°C).
Average daylight in December /
Average sunshine in December
Armação de Pêra, Portugal
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 6h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 6h and 6min).
Average sunshine days in December
Armação de Pêra, Portugal
- Average sunshine days in December: 26.9 days
The month with the most sunshine days is July (30.5 days).
The month with the least sunshine days is April (21.8 days).
Average UV index in December
Armação de Pêra, 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
Armação de Pêra, Portugal
- Average cloud cover in December: 28
The month with the most cloud cover is January (Cloud cover 31).
The month with the least cloud cover is July (Cloud cover 5).
Average visibility in December
Armação de Pêra, 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).
