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 onset of December marks an average high-temperature of a still icy 3.5°C (38.3°F), hardly differing from November's 5.8°C (42.4°F). Isona records an average temperature drop to a subzero cold -4.5°C (23.9°F) in December.Humidity
In December, the average relative humidity is 79%.Rainfall
In Isona, Spain, during December, the rain falls for 6 days and regularly aggregates up to 41mm (1.61") of precipitation. Throughout the year, there are 137.2 rainfall days, and 747mm (29.41") of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall. In Isona, Spain, during December, snow falls for 10.1 days and regularly aggregates up to 214mm (8.43") of snow. Throughout the year, in Isona, there are 72.7 snowfall days, and 1868mm (73.54") of snow is accumulated.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year in Isona, Spain.On the first day of the month, sunrise is at 08:05 and sunset at 17:24. On the last day of December, in Isona, sunrise is at 08:24 and sunset at 17:33 CET.
Sunshine
The average sunshine in December in Isona is 5.9h.UV index
In Isona, Spain, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for average individuals.Note: A maximum high UV index of 2 in December translates into the following recommendations:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Frequently asked questions
How cold is December in Isona?
What is the average humidity in December in Isona?
How much does it rain in Isona in December?
How many days does it snow in December in Isona?
What is the month with the shortest days in Isona?
How many hours of daylight does Isona have in December?
What time are sunrise and sunset in December in Isona?
How long on average sun shines in December in Isona?
What is the UV index intensity in December in Isona?
Average temperature in December
Isona, Spain
- Average high temperature in December: 3.5°C
The warmest month (with the highest average high temperature) is July (20.8°C).
The month with the lowest average high temperature is February (1.5°C).
- Average low temperature in December: -4.5°C
The month with the highest average low temperature is August (8.9°C).
The coldest month (with the lowest average low temperature) is February (-6.9°C).
Average pressure in December
Isona, Spain
- Average pressure in December: 1021.4mbar
The month with the highest atmospheric pressure is December (1021.4mbar).
The month with the lowest atmospheric pressure is April (1015mbar).
Average wind speed in December
Isona, Spain
- Average wind speed in December: 10km/h
The windiest month (with the highest average wind speed) is February (10.9km/h).
The calmest month (with the lowest average wind speed) is August (7km/h).
Average humidity in December
Isona, Spain
- Average humidity in December: 79%
The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are July and August (70%).
Average rainfall in December
Isona, Spain
- Average rainfall in December: 41mm
The wettest month (with the highest rainfall) is October (86mm).
The driest month (with the least rainfall) is February (34mm).
Average rainfall days in December
Isona, Spain
- Average rainfall days in December: 6 days
The month with the highest number of rainy days is June (16.4 days).
The month with the least rainy days is January (4.6 days).
Average snowfall in December
Isona, Spain
- Average snowfall in December: 214mm
The month with the highest snowfall is January (483mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in December
Isona, Spain
- Average snowfall days in December: 10.1 days
The month with the highest number of snowfall days is February (14.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Isona, Spain
- 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 5min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).
Average sunshine days in December
Isona, Spain
- Average sunshine days in December: 17.7 days
The month with the most sunshine days is October (18.3 days).
The month with the least sunshine days is April (7.9 days).
Average UV index in December
Isona, Spain
- Average UV index in December: 2
The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in December
Isona, Spain
- Average cloud cover in December: 38
The month with the most cloud cover is April (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in December
Isona, Spain
- Average visibility in December: 9km
The months with the highest visibility are June, July, August, October and December (9km).
The months with the lowest visibility are January, February, March, April, May, September and November (8km).
Isona, Spain
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