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
December
Weather in December
Temperature
December's arrival registers an average high-temperature of a cool 12.8°C (55°F), closely aligning with the temperature of the previous month. During the month of December, an average temperature of 5.6°C (42.1°F) is noted during the nights in Santa Comba Dão, Portugal.Humidity
The average relative humidity in December in Santa Comba Dão is 81%.Rainfall
In Santa Comba Dão, Portugal, in December, it is raining for 11.6 days, with typically 89mm (3.5") of accumulated precipitation. Throughout the year, in Santa Comba Dão, there are 127.4 rainfall days, and 613mm (24.13") of precipitation is accumulated.Snowfall
In Santa Comba Dão, snow does not fall in May through October and December.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year in Santa Comba Dão.On the first day of the month, sunrise is at 07:36 and sunset at 17:06. On the last day of December, in Santa Comba Dão, Portugal, sunrise is at 07:55 and sunset at 17:16 WET.
Sunshine
In Santa Comba Dão, the average sunshine in December is 5.6h.UV index
In December, the average daily maximum UV index in Santa Comba Dão is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 3 in December converts into the following recommendations:
Be vigilant - Preventing sunburn is recommended. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures in Santa Comba Dão?
What is the average humidity in December in Santa Comba Dão?
How much does it rain in Santa Comba Dão in December?
When it does not snow in Santa Comba Dão?
Does it snow in Santa Comba Dão in December?
What is the month with the shortest days in Santa Comba Dão?
How many hours of daylight does Santa Comba Dão have in December?
When is the sunrise / sunset in December in Santa Comba Dão?
How many hours of sunshine does Santa Comba Dão have in December?
What is the UV index intensity in December in Santa Comba Dão?
Average temperature in December
Santa Comba Dão, Portugal
- Average high temperature in December: 12.8°C
The warmest month (with the highest average high temperature) is August (28.8°C).
The month with the lowest average high temperature is January (12°C).
- Average low temperature in December: 5.6°C
The month with the highest average low temperature is August (14.3°C).
The coldest month (with the lowest average low temperature) is January (4.3°C).
Average pressure in December
Santa Comba Dão, Portugal
- Average pressure in December: 1022.7mbar
The month with the highest atmospheric pressure is December (1022.7mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).
Average wind speed in December
Santa Comba Dão, Portugal
- Average wind speed in December: 8.4km/h
The windiest month (with the highest average wind speed) is March (8.8km/h).
The calmest month (with the lowest average wind speed) is September (6.9km/h).
Average humidity in December
Santa Comba Dão, Portugal
- Average humidity in December: 81%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is August (62%).
Average rainfall in December
Santa Comba Dão, Portugal
- Average rainfall in December: 89mm
The wettest month (with the highest rainfall) is November (96mm).
The driest month (with the least rainfall) is July (6mm).
Average rainfall days in December
Santa Comba Dão, Portugal
- Average rainfall days in December: 11.6 days
The months with the highest number of rainy days are January and April (14.7 days).
The month with the least rainy days is August (3.9 days).
Average snowfall in December
Santa Comba Dão, Portugal
- Average snowfall in December: 0mm
The months with the highest snowfall are January and March (2mm).
The months with the least snowfall are May, June, July, August, September, October and December (0mm).
Average snowfall days in December
Santa Comba Dão, Portugal
- Average snowfall days in December: 0 days
The months with the highest number of snowfall days are January, February and March (0.3 days).
The months with the least snowfall days are May, June, July, August, September, October and December (0 days).
Average daylight in December /
Average sunshine in December
Santa Comba Dão, 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 18min).
- Average sunshine in December: 5h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days in December
Santa Comba Dão, Portugal
- Average sunshine days in December: 17.7 days
The month with the most sunshine days is August (25 days).
The month with the least sunshine days is November (13.5 days).
Average UV index in December
Santa Comba Dão, Portugal
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in December
Santa Comba Dão, Portugal
- Average cloud cover in December: 41
The month with the most cloud cover is January (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in December
Santa Comba Dão, Portugal
- Average visibility in December: 8km
The months with the highest visibility are June, July, August and September (9km).
The month with the lowest visibility is January (7km).
