December weather forecastTrillo, Spain
December
Weather in December
December, the first month of the winter in Trillo, is also a frosty month, with temperature in the range of an average high of 9.5°C (49.1°F) and an average low of 2°C (35.6°F).Temperature
The arrival of December suggests a slight decrease in the average high-temperature, moving from a fresh 12.5°C (54.5°F) in November to a frosty 9.5°C (49.1°F). An average low-temperature of 2°C (35.6°F) is common in Trillo during the nights of December.Humidity
In Trillo, the average relative humidity in December is 75%.Rainfall
In December, in Trillo, the rain falls for 6.4 days. Throughout December, 14mm (0.55") of precipitation is accumulated. Throughout the year, there are 86.7 rainfall days, and 169mm (6.65") of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall in Trillo. In Trillo, in December, snow falls for 0.5 days, with typically accumulated 1mm (0.04") of snow. Throughout the year, in Trillo, there are 4.2 snowfall days, and 23mm (0.91") of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 08:15 and sunset at 17:43. On the last day of December, in Trillo, sunrise is at 08:34 and sunset at 17:53 CET.
Sunshine
With an average of 6.1h of sunshine, December has the least sunshine of the year.UV index
The months with the lowest UV index are November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the average person.Note: The maximum UV index of 2 during December translates into these guidelines:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Trillo, Spain
- Average high temperature in December: 9.5°C
The warmest month (with the highest average high temperature) is July (31.6°C).
The month with the lowest average high temperature is January (8.6°C).
- Average low temperature in December: 2°C
The month with the highest average low temperature is July (17.9°C).
The coldest month (with the lowest average low temperature) is January (1°C).
Average pressure in December
Trillo, Spain
- Average pressure in December: 1023.4mbar
The month with the highest atmospheric pressure is December (1023.4mbar).
The month with the lowest atmospheric pressure is April (1015mbar).
Average wind speed in December
Trillo, Spain
- Average wind speed in December: 9.4km/h
The windiest months (with the highest average wind speed) are February and March (12.2km/h).
The calmest month (with the lowest average wind speed) is September (9.2km/h).
Average humidity in December
Trillo, Spain
- Average humidity in December: 75%
The month with the highest relative humidity is January (77%).
The month with the lowest relative humidity is July (37%).
Average rainfall in December
Trillo, Spain
- Average rainfall in December: 14mm
The wettest month (with the highest rainfall) is April (27mm).
The driest month (with the least rainfall) is July (7mm).
Average rainfall days in December
Trillo, Spain
- Average rainfall days in December: 6.4 days
The month with the highest number of rainy days is April (12.1 days).
The month with the least rainy days is August (2.7 days).
Average snowfall in December
Trillo, Spain
- Average snowfall in December: 1mm
The month with the highest snowfall is January (10mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Trillo, Spain
- Average snowfall days in December: 0.5 days
The month with the highest number of snowfall days is January (1.6 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
Trillo, Spain
- Average daylight in December: 9h and 18min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 6h and 6min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 6min).
Average sunshine days in December
Trillo, Spain
- Average sunshine days in December: 22.9 days
The month with the most sunshine days is August (25.2 days).
The month with the least sunshine days is April (15.3 days).
Average UV index in December
Trillo, Spain
- Average UV index in December: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are November and December (UV index 2).
Average cloud cover in December
Trillo, Spain
- Average cloud cover in December: 33
The month with the most cloud cover is January (Cloud cover 38).
The month with the least cloud cover is July (Cloud cover 8).
Average visibility in December
Trillo, Spain
- Average visibility in December: 9km
The months with the highest visibility are February, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, March, April, November and December (9km).





