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
Weather in December
Temperature
December's presence in Chaves, Portugal, marks an average high-temperature of a frosty 9.8°C (49.6°F), subtly varied from November's 11.5°C (52.7°F). During December, the temperature in Chaves tends to dip to an average of 2.5°C (36.5°F) at night.Humidity
The average relative humidity in December is 86%.Rainfall
The month with the most rainfall is December, when the rain falls for 12.4 days and typically aggregates up to 72mm (2.83") of precipitation.Snowfall
March through December are months without snowfall.Daylight
December has the shortest days of the year, with an average of 9h and 12min of daylight.On the first day of December in Chaves, sunrise is at 07:38 and sunset at 17:00. On the last day of the month, sunrise is at 07:56 and sunset at 17:09 WET.
Sunshine
The average sunshine in December is 5h.UV index
The months with the lowest UV index in Chaves are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 2 in December converts into the following recommendations:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Frequently asked questions
What is the average December temperature in Chaves?
What is the average humidity in December in Chaves?
What is the rainiest month in Chaves?
How much does it rain in Chaves in December?
When it does not snow in Chaves?
Does it snow in Chaves in December?
What is the month with the shortest days in Chaves?
How many hours of daylight does Chaves have in December?
When is the sunrise / sunset in December in Chaves?
How long on average sun shines in December in Chaves?
When is the lowest UV index in Chaves?
What is the UV index reading in December in Chaves?
Average temperature in December
Chaves, Portugal
- Average high temperature in December: 9.8°C
The warmest month (with the highest average high temperature) is August (29.1°C).
The month with the lowest average high temperature is January (8.9°C).
- Average low temperature in December: 2.5°C
The months with the highest average low temperature are July and August (13.1°C).
The coldest month (with the lowest average low temperature) is February (1.5°C).
Average pressure in December
Chaves, 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
Chaves, Portugal
- Average wind speed in December: 6.7km/h
The windiest month (with the highest average wind speed) is March (8.3km/h).
The calmest month (with the lowest average wind speed) is September (6.4km/h).
Average humidity in December
Chaves, Portugal
- Average humidity in December: 86%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (56%).
Average rainfall in December
Chaves, Portugal
- Average rainfall in December: 72mm
The wettest month (with the highest rainfall) is December (72mm).
The driest months (with the least rainfall) are July and August (11mm).
Average rainfall days in December
Chaves, Portugal
- Average rainfall days in December: 12.4 days
The month with the highest number of rainy days is April (14.6 days).
The month with the least rainy days is August (3.8 days).
Average snowfall in December
Chaves, Portugal
- Average snowfall in December: 0mm
The month with the highest snowfall is February (5mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in December
Chaves, Portugal
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Chaves, Portugal
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 5h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in December
Chaves, Portugal
- Average sunshine days in December: 17.1 days
The month with the most sunshine days is August (25.5 days).
The month with the least sunshine days is November (13.5 days).
Average UV index in December
Chaves, Portugal
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Chaves, Portugal
- Average cloud cover in December: 49
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in December
Chaves, Portugal
- Average visibility in December: 7km
The month with the highest visibility is August (10km).
The month with the lowest visibility is January (6km).
Chaves, Portugal
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