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
The high-temperature average in December for Casével is a still refreshing 15.5°C (59.9°F), staying closely aligned with November's conditions. December's nights in Casével observe an average temperature of 7.1°C (44.8°F).Humidity
In December, the average relative humidity in Casével is 77%.Rainfall
In December, the rain falls for 5.5 days. Throughout December, 11mm (0.43") of precipitation is accumulated. In Casével, during the entire year, the rain falls for 65.2 days and collects up to 110mm (4.33") of precipitation.Daylight
With an average of 9h and 36min of daylight, December has the shortest days of the year in Casével, Portugal.On the first day of December, sunrise is at 07:29 and sunset at 17:14. On the last day of the month, sunrise is at 07:47 and sunset at 17:24 WET.
Sunshine
The average sunshine in December is 6h.UV index
January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: An average maximum UV index of 3 in December leads to these recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Frequently asked questions
What is the average December temperature in Casével?
What is the average humidity in December in Casével?
How much does it rain in Casével in December?
What is the month with the shortest days in Casével?
What is the average length of the day in December in Casével?
When is the sunrise / sunset in December in Casével?
How long on average sun shines in December in Casével?
What are the months with the lowest UV index in Casével?
What is the UV index reading in December in Casével?
Average temperature in December
Casével, Portugal
- Average high temperature in December: 15.5°C
The warmest month (with the highest average high temperature) is August (34.7°C).
The month with the lowest average high temperature is January (14.4°C).
- Average low temperature in December: 7.1°C
The month with the highest average low temperature is August (17.8°C).
The coldest month (with the lowest average low temperature) is February (5.3°C).
Average pressure in December
Casével, 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 (1015.4mbar).
Average wind speed in December
Casével, Portugal
- Average wind speed in December: 10.7km/h
The windiest month (with the highest average wind speed) is July (11.9km/h).
The calmest month (with the lowest average wind speed) is September (9.7km/h).
Average humidity in December
Casével, Portugal
- Average humidity in December: 77%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is August (47%).
Average rainfall in December
Casével, Portugal
- Average rainfall in December: 11mm
The wettest month (with the highest rainfall) is April (20mm).
The driest months (with the least rainfall) are July and August (1mm).
Average rainfall days in December
Casével, Portugal
- Average rainfall days in December: 5.5 days
The month with the highest number of rainy days is April (9.7 days).
The month with the least rainy days is August (1 days).
Average daylight in December /
Average sunshine in December
Casével, Portugal
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 6h and 0min
The months with the most sunshine are July and August (Average sunshine: 11h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in December
Casével, Portugal
- Average sunshine days in December: 23.7 days
The month with the most sunshine days is July (28.9 days).
The month with the least sunshine days is April (18.8 days).
Average UV index in December
Casével, Portugal
- Average UV index in December: 3
The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in December
Casével, Portugal
- Average cloud cover in December: 34
The months with the most cloud cover are January and April (Cloud cover 40).
The months with the least cloud cover are July and August (Cloud cover 10).
Average visibility in December
Casével, Portugal
- Average visibility in December: 9km
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, February, March, April, May, October, November and December (9km).
Casével, Portugal
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