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
Weather in December
Temperature
In December, Quatro Ribeiras experiences a minor shift in meteorological conditions with average high-temperatures marked at a still refreshing 17°C (62.6°F), closely mirroring the climate in November. Quatro Ribeiras documents an average low-temperature of 15.5°C (59.9°F) for the nights of December.Humidity
In December, the average relative humidity is 79%.Rainfall
The month with the most rainfall in Quatro Ribeiras is December, when the rain falls for 19.3 days and typically aggregates up to 93mm (3.66") of precipitation.Daylight
December has the shortest days of the year, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 07:48 and sunset at 17:27. On the last day of December, sunrise is at 08:06 and sunset at 17:37 -01.
Sunshine
In Quatro Ribeiras, the average sunshine in December is 5.1h.UV index
The months with the lowest UV index are January through April and December, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: A typical high UV index of 4 in December suggests the following recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Frequently asked questions
What is the temperature in December in Quatro Ribeiras?
What is the average humidity in December in Quatro Ribeiras?
What is the rainiest month in Quatro Ribeiras?
How much does it rain in Quatro Ribeiras in December?
What is the month with the shortest days in Quatro Ribeiras?
How many hours of daylight does Quatro Ribeiras have in December?
When is the sunrise / sunset in December in Quatro Ribeiras?
How long on average sun shines in December in Quatro Ribeiras?
What are the months with the lowest UV index in Quatro Ribeiras?
What is the UV index intensity in December in Quatro Ribeiras?
Average temperature in December
Quatro Ribeiras, Portugal
- Average high temperature in December: 17°C
The warmest month (with the highest average high temperature) is August (22.8°C).
The month with the lowest average high temperature is March (15.6°C).
- Average low temperature in December: 15.5°C
The month with the highest average low temperature is August (21.6°C).
The coldest months (with the lowest average low temperature) are February and March (14.3°C).
Average pressure in December
Quatro Ribeiras, Portugal
- Average pressure in December: 1019.2mbar
The month with the highest atmospheric pressure is July (1024.4mbar).
The month with the lowest atmospheric pressure is October (1016.6mbar).
Average wind speed in December
Quatro Ribeiras, Portugal
- Average wind speed in December: 29.8km/h
The windiest month (with the highest average wind speed) is December (29.8km/h).
The calmest month (with the lowest average wind speed) is July (16.6km/h).
Average humidity in December
Quatro Ribeiras, Portugal
- Average humidity in December: 79%
The month with the highest relative humidity is June (83%).
The month with the lowest relative humidity is November (77%).
Average rainfall in December
Quatro Ribeiras, Portugal
- Average rainfall in December: 93mm
The wettest month (with the highest rainfall) is December (93mm).
The driest month (with the least rainfall) is July (15mm).
Average rainfall days in December
Quatro Ribeiras, Portugal
- Average rainfall days in December: 19.3 days
The month with the highest number of rainy days is October (19.5 days).
The month with the least rainy days is July (9 days).
Average daylight in December /
Average sunshine in December
Quatro Ribeiras, 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 1min
The month with the most sunshine is July (Average sunshine: 9h and 24min).
The month with the least sunshine is November (Average sunshine: 5h and 0min).
Average sunshine days in December
Quatro Ribeiras, Portugal
- Average sunshine days in December: 7.3 days
The month with the most sunshine days is July (18.1 days).
The month with the least sunshine days is October (6.6 days).
Average UV index in December
Quatro Ribeiras, Portugal
- Average UV index in December: 4
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, March, April and December (UV index 4).
Average cloud cover in December
Quatro Ribeiras, Portugal
- Average cloud cover in December: 50
The month with the most cloud cover is November (Cloud cover 52).
The month with the least cloud cover is September (Cloud cover 39).
Average visibility in December
Quatro Ribeiras, 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).
Quatro Ribeiras, Portugal
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