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 transition into December involves a small decrease in the average high-temperature, dipping slightly from a cool 12.6°C (54.7°F) in November to a chilly 8.2°C (46.8°F). San Pier d'Isonzo maintains a near steady average temperature of 3.6°C (38.5°F) during the nights of December, demonstrating little drop from daytime highs.Humidity
In San Pier d'Isonzo, the average relative humidity in December is 76%.Rainfall
In San Pier d'Isonzo, in December, during 8.8 rainfall days, 56mm (2.2") of precipitation is typically accumulated. Throughout the year, in San Pier d'Isonzo, Italy, there are 138.5 rainfall days, and 825mm (32.48") of precipitation is accumulated.Snowfall
Months with snowfall are January through March and December. The month with the most snowfall is December, when snow falls for 0.5 days and typically aggregates up to 6mm (0.24") of snow.Daylight
The month with the shortest days in San Pier d'Isonzo is December, with an average of 8h and 42min of daylight.On the first day of December, sunrise is at 07:27 and sunset at 16:23. On the last day of the month, sunrise is at 07:47 and sunset at 16:31 CET.
Sunshine
In December, the average sunshine is 5.6h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: The daily high UV index of 2 in December translates into this advice:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Frequently asked questions
What are the temperatures in San Pier d'Isonzo in December?
What is the average humidity in December in San Pier d'Isonzo?
How many days does it rain in December in San Pier d'Isonzo?
What is the snowiest month in San Pier d'Isonzo?
When does it start snowing in San Pier d'Isonzo?
What is the month with the shortest days in San Pier d'Isonzo?
How many hours of daylight does San Pier d'Isonzo have in December?
When is the sunrise / sunset in December in San Pier d'Isonzo?
How long on average sun shines in December in San Pier d'Isonzo?
When is the lowest UV index in San Pier d'Isonzo?
How high is the UV index in December in San Pier d'Isonzo?
Average temperature in December
San Pier d'Isonzo, Italy
- Average high temperature in December: 8.2°C
The warmest month (with the highest average high temperature) is August (28°C).
The month with the lowest average high temperature is January (6.8°C).
- Average low temperature in December: 3.6°C
The month with the highest average low temperature is August (19.2°C).
The coldest month (with the lowest average low temperature) is January (2.3°C).
Average pressure in December
San Pier d'Isonzo, Italy
- Average pressure in December: 1019.8mbar
The month with the highest atmospheric pressure is December (1019.8mbar).
The months with the lowest atmospheric pressure are May and June (1014.8mbar).
Average wind speed in December
San Pier d'Isonzo, Italy
- Average wind speed in December: 8.9km/h
The windiest month (with the highest average wind speed) is February (11km/h).
The calmest month (with the lowest average wind speed) is June (8.8km/h).
Average humidity in December
San Pier d'Isonzo, Italy
- Average humidity in December: 76%
The month with the highest relative humidity is November (79%).
The months with the lowest relative humidity are July and August (66%).
Average rainfall in December
San Pier d'Isonzo, Italy
- Average rainfall in December: 56mm
The wettest month (with the highest rainfall) is November (123mm).
The driest month (with the least rainfall) is January (33mm).
Average rainfall days in December
San Pier d'Isonzo, Italy
- Average rainfall days in December: 8.8 days
The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in December
San Pier d'Isonzo, Italy
- Average snowfall in December: 6mm
The month with the highest snowfall is December (6mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
San Pier d'Isonzo, Italy
- Average snowfall days in December: 0.5 days
The months with the highest number of snowfall days are February and December (0.5 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
San Pier d'Isonzo, Italy
- Average daylight in December: 8h and 4min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in December: 5h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 36min).
The months with the least sunshine are February and November (Average sunshine: 5h and 24min).
Average sunshine days in December
San Pier d'Isonzo, Italy
- Average sunshine days in December: 20.3 days
The month with the most sunshine days is January (22.8 days).
The month with the least sunshine days is May (12.3 days).
Average UV index in December
San Pier d'Isonzo, Italy
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in December
San Pier d'Isonzo, Italy
- Average cloud cover in December: 38
The month with the most cloud cover is February (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in December
San Pier d'Isonzo, Italy
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September and October (10km).
The months with the lowest visibility are November and December (9km).
San Pier d'Isonzo, Italy
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