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
December
Weather in December
Temperature
The commencement of December records an average high-temperature of a moderate 14.5°C (58.1°F), barely varying from November's 16.3°C (61.3°F). December's average low temperature in Alhadas is a cool 10.1°C (50.2°F), displaying a subtle drop from its daily peak.Humidity
In December, the average relative humidity is 76%.Rainfall
In Alhadas, during December, the rain falls for 12.1 days and regularly aggregates up to 74mm (2.91") of precipitation. Throughout the year, there are 130.4 rainfall days, and 585mm (23.03") of precipitation is accumulated.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 07:38 and sunset at 17:10. On the last day of December, in Alhadas, sunrise is at 07:57 and sunset at 17:19 WET.
Sunshine
The average sunshine in December is 5.7h.UV index
In Alhadas, Portugal, the average daily maximum UV index in December is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The average daily UV index of 4 in December transforms into the following instructions:
Prioritize safety - Suggestions to prevent sun damage are offered. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Alhadas in December?
What is the average humidity in December in Alhadas?
How many days does it rain in December in Alhadas?
What is the month with the shortest days in Alhadas?
What is the average length of the day in December in Alhadas?
What time are sunrise and sunset in December in Alhadas?
How many hours of sunshine does Alhadas have in December?
How high is the UV index in December in Alhadas?
Average temperature in December
Alhadas, Portugal
- Average high temperature in December: 14.5°C
The warmest month (with the highest average high temperature) is August (23.4°C).
The month with the lowest average high temperature is January (13.7°C).
- Average low temperature in December: 10.1°C
The months with the highest average low temperature are July and August (16.8°C).
The coldest month (with the lowest average low temperature) is February (9.3°C).
Average pressure in December
Alhadas, 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
Alhadas, Portugal
- Average wind speed in December: 15.9km/h
The windiest month (with the highest average wind speed) is February (17.2km/h).
The calmest month (with the lowest average wind speed) is September (12.8km/h).
Average humidity in December
Alhadas, Portugal
- Average humidity in December: 76%
The month with the highest relative humidity is January (78%).
The months with the lowest relative humidity are September and October (74%).
Average rainfall in December
Alhadas, Portugal
- Average rainfall in December: 74mm
The wettest month (with the highest rainfall) is November (97mm).
The driest month (with the least rainfall) is July (6mm).
Average rainfall days in December
Alhadas, Portugal
- Average rainfall days in December: 12.1 days
The month with the highest number of rainy days is November (16 days).
The month with the least rainy days is August (4.5 days).
Average daylight in December /
Average sunshine in December
Alhadas, 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 12min).
Average sunshine days in December
Alhadas, Portugal
- Average sunshine days in December: 17.5 days
The month with the most sunshine days is August (23.9 days).
The month with the least sunshine days is November (11.9 days).
Average UV index in December
Alhadas, Portugal
- Average UV index in December: 4
The months with the highest UV index are May, June, July, August and September (UV index 5).
The month with the lowest UV index is January (UV index 3).
Average cloud cover in December
Alhadas, Portugal
- Average cloud cover in December: 38
The month with the most cloud cover is January (Cloud cover 42).
The months with the least cloud cover are August and September (Cloud cover 20).
Average visibility in December
Alhadas, Portugal
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (10km).
The months with the lowest visibility are July and August (9km).
