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 advent of December sees the average high-temperature at a still enjoyable 16.3°C (61.3°F), subtly shifted from November's 18.2°C (64.8°F). Nighttime temperatures during December report a consistent average of 11.7°C (53.1°F).Humidity
January, April and December, with an average relative humidity of 75%, are the most humid months in Almancil.Rainfall
In Almancil, during December, the rain falls for 4 days and regularly aggregates up to 10mm (0.39") of precipitation. In Almancil, during the entire year, the rain falls for 46.1 days and collects up to 69mm (2.72") of precipitation.Sea temperature
In Almancil, in December, the average water temperature is 17°C (62.6°F).Note: In water with a temperature of 17°C (62.6°F), most people do not enjoy swimming. As the temperature descends from 21°C (69.8°F) to 15°C (59°F), breathing becomes increasingly difficult to control.
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 07:27 and sunset at 17:15. On the last day of December, sunrise is at 07:45 and sunset at 17:25 WET.
Sunshine
In December, the average sunshine is 6.4h.UV index
The months with the lowest UV index in Almancil 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 medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 4 in December converts into the following recommendations:
Take precautions - Protection against sun damage is advised. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Almancil in December?
What are the most humid months in Almancil?
What is the average humidity in December in Almancil?
How many days does it rain in December in Almancil?
How cold is the water in December in Almancil?
What is the month with the shortest days in Almancil?
How many hours of daylight does Almancil have in December?
What time are sunrise and sunset in December in Almancil?
How many hours of sunshine does Almancil have in December?
What is the month with the lowest UV index in Almancil?
What is the UV index intensity in December in Almancil?
Average temperature in December
Almancil, Portugal
- Average high temperature in December: 16.3°C
The warmest month (with the highest average high temperature) is August (28.3°C).
The month with the lowest average high temperature is January (14.9°C).
- Average low temperature in December: 11.7°C
The month with the highest average low temperature is August (20°C).
The coldest month (with the lowest average low temperature) is February (10.2°C).
Average pressure in December
Almancil, 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 (1015.4mbar).
Average wind speed in December
Almancil, Portugal
- Average wind speed in December: 16.4km/h
The windiest months (with the highest average wind speed) are February and March (17.7km/h).
The calmest month (with the lowest average wind speed) is September (12km/h).
Average humidity in December
Almancil, Portugal
- Average humidity in December: 75%
The months with the highest relative humidity are January, April and December (75%).
The month with the lowest relative humidity is August (60%).
Average rainfall in December
Almancil, Portugal
- Average rainfall in December: 10mm
The wettest month (with the highest rainfall) is November (14mm).
The driest months (with the least rainfall) are July and August (0mm).
Average rainfall days in December
Almancil, Portugal
- Average rainfall days in December: 4 days
The month with the highest number of rainy days is April (7.1 days).
The month with the least rainy days is August (0.3 days).
Average sea temperature in December
Almancil, Portugal
- Average sea temperature in December: 17°C
The best months for swimming (with the highest average sea temperature) are August and September (21°C).
The coldest month (with the lowest average sea temperature) is February (15°C).
Average daylight in December /
Average sunshine in December
Almancil, 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 0min).
Average sunshine days in December
Almancil, Portugal
- Average sunshine days in December: 26.4 days
The month with the most sunshine days is July (30 days).
The month with the least sunshine days is April (21.4 days).
Average UV index in December
Almancil, Portugal
- Average UV index in December: 4
The months with the highest UV index are May, 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
Almancil, 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 4).
Average visibility in December
Almancil, 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).
