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
As December unfolds, the average high-temperature reaches a moderate 15.7°C (60.3°F), hinting at a slight fluctuation from the previous month. The nighttime temperature in December experiences a minor dip, averaging a fresh 10.9°C (51.6°F).Humidity
The average relative humidity in December is 75%.Rainfall
In Charneca, in December, during 5.1 rainfall days, 8mm (0.31") of precipitation is typically accumulated. In Charneca, Portugal, during the entire year, the rain falls for 54.4 days and collects up to 62mm (2.44") of precipitation.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year in Charneca.On the first day of December, sunrise is at 07:36 and sunset at 17:15. On the last day of the month, sunrise is at 07:54 and sunset at 17:24 WET.
Sunshine
The average sunshine in December in Charneca is 5.9h.UV index
The months with the lowest UV index in Charneca are January through March, November and December, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In December, an average UV index of 4 transforms into the following instructions:
Exercise prevention - Protecting skin and eyes from harm is required. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Charneca in December?
What is the average humidity in December in Charneca?
How many days does it rain in December in Charneca?
What is the month with the shortest days in Charneca?
How many hours of daylight does Charneca have in December?
When is the sunrise / sunset in December in Charneca?
How long on average sun shines in December in Charneca?
What is the month with the lowest UV index in Charneca?
What is the UV index intensity in December in Charneca?
Average temperature in December
Charneca, Portugal
- Average high temperature in December: 15.7°C
The warmest month (with the highest average high temperature) is August (27.1°C).
The month with the lowest average high temperature is January (14.9°C).
- Average low temperature in December: 10.9°C
The month with the highest average low temperature is July (17.9°C).
The coldest month (with the lowest average low temperature) is February (9.8°C).
Average pressure in December
Charneca, Portugal
- Average pressure in December: 1022.6mbar
The month with the highest atmospheric pressure is December (1022.6mbar).
The month with the lowest atmospheric pressure is April (1015.7mbar).
Average wind speed in December
Charneca, Portugal
- Average wind speed in December: 15km/h
The windiest month (with the highest average wind speed) is February (16.5km/h).
The calmest month (with the lowest average wind speed) is September (13km/h).
Average humidity in December
Charneca, Portugal
- Average humidity in December: 75%
The month with the highest relative humidity is January (76%).
The month with the lowest relative humidity is August (68%).
Average rainfall in December
Charneca, Portugal
- Average rainfall in December: 8mm
The wettest month (with the highest rainfall) is November (15mm).
The driest months (with the least rainfall) are June, July and August (1mm).
Average rainfall days in December
Charneca, Portugal
- Average rainfall days in December: 5.1 days
The month with the highest number of rainy days is November (9.3 days).
The month with the least rainy days is August (0.8 days).
Average daylight in December /
Average sunshine in December
Charneca, Portugal
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 5h and 5min
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 24min).
Average sunshine days in December
Charneca, Portugal
- Average sunshine days in December: 23.5 days
The month with the most sunshine days is July (29.7 days).
The month with the least sunshine days is November (17.7 days).
Average UV index in December
Charneca, 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
Charneca, Portugal
- Average cloud cover in December: 34
The month with the most cloud cover is January (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in December
Charneca, 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).
