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
The unfolding of December shows an average high-temperature of a still cool 10.3°C (50.5°F), indicating a slight variance from November's 12.1°C (53.8°F). An average low-temperature of 4.6°C (40.3°F) is observed during the December nights.Humidity
The average relative humidity in December is 79%.Rainfall
In Caleao, in December, it is raining for 14.3 days, with typically 69mm (2.72") of accumulated precipitation. In Caleao, during the entire year, the rain falls for 190.5 days and collects up to 717mm (28.23") of precipitation.Snowfall
Months with snowfall are January through March and December. December is the first month it typically snows in Caleao. Throughout December, in the average 0.6 snowfall days, it receives 4mm (0.16") of snow. In Caleao, during the entire year, snow falls for 3.4 days and aggregates up to 48mm (1.89") of snow.Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year in Caleao.On the first day of the month, sunrise is at 08:34 and sunset at 17:47. On the last day of December, in Caleao, sunrise is at 08:53 and sunset at 17:56 CET.
Sunshine
November and December, with an average of 5.9h of sunshine, are months with the least sunshine in Caleao.UV index
The average daily maximum UV index in December in Caleao is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: In December, a daily UV index of 3 turns into the following recommendations:
Act with care - The need to guard against sun damage is communicated. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
What are December temperatures in Caleao?
What is the average humidity in December in Caleao?
How much does it rain in Caleao in December?
When does it start to snow in Caleao?
What is the month with the shortest days in Caleao?
What is the average length of the day in December in Caleao?
When are sunrise and sunset in December in Caleao?
What is the month with the least sunshine in Caleao?
How many hours of sunshine does Caleao have in December?
How high is the UV index in December in Caleao?
Average temperature in December
Caleao, Spain
- Average high temperature in December: 10.3°C
The warmest month (with the highest average high temperature) is August (22.1°C).
The months with the lowest average high temperature are January and February (9°C).
- Average low temperature in December: 4.6°C
The month with the highest average low temperature is August (12.3°C).
The coldest month (with the lowest average low temperature) is February (2.8°C).
Average pressure in December
Caleao, Spain
- Average pressure in December: 1021.7mbar
The month with the highest atmospheric pressure is December (1021.7mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).
Average wind speed in December
Caleao, Spain
- Average wind speed in December: 10.6km/h
The windiest month (with the highest average wind speed) is February (11.9km/h).
The calmest month (with the lowest average wind speed) is August (6.8km/h).
Average humidity in December
Caleao, Spain
- Average humidity in December: 79%
The month with the highest relative humidity is June (84%).
The month with the lowest relative humidity is October (76%).
Average rainfall in December
Caleao, Spain
- Average rainfall in December: 69mm
The wettest month (with the highest rainfall) is January (91mm).
The driest month (with the least rainfall) is September (27mm).
Average rainfall days in December
Caleao, Spain
- Average rainfall days in December: 14.3 days
The month with the highest number of rainy days is April (19.3 days).
The month with the least rainy days is August (11.8 days).
Average snowfall in December
Caleao, Spain
- Average snowfall in December: 4mm
The month with the highest snowfall is February (21mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Caleao, Spain
- Average snowfall days in December: 0.6 days
The month with the highest number of snowfall days is February (1.7 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Caleao, Spain
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 5h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are November and December (Average sunshine: 5h and 54min).
Average sunshine days in December
Caleao, Spain
- Average sunshine days in December: 15.5 days
The month with the most sunshine days is December (15.5 days).
The month with the least sunshine days is June (8.4 days).
Average UV index in December
Caleao, Spain
- Average UV index in December: 3
The months with the highest UV index are July and August (UV index 5).
The months with the lowest UV index are January, February and November (UV index 2).
Average cloud cover in December
Caleao, Spain
- Average cloud cover in December: 39
The months with the most cloud cover are January and February (Cloud cover 48).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility in December
Caleao, Spain
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, September, October, November and December (9km).
The months with the lowest visibility are June, July and August (8km).
Caleao, Spain
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