December weather forecastPorrona, Italy

December

Weather in December

The first month of the winter, December, is still a chilly month in Porrona, Italy, with an average temperature ranging between max 9.7°C (49.5°F) and min 3.4°C (38.1°F).

Temperature

In December, the average high-temperature marginally drops from a moderate 13.9°C (57°F) in November to a chilly 9.7°C (49.5°F). The nighttime temperature dips to a cold 3.4°C (38.1°F) on average during December.

Humidity

In December, the average relative humidity is 83%.

Rainfall

In Porrona, in December, it is raining for 11.1 days, with typically 45mm (1.77") of accumulated precipitation. Throughout the year, there are 140.1 rainfall days, and 556mm (21.89") of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall. In December, it is snowing for 1.5 days. Throughout December, 26mm (1.02") of snow is accumulated. Throughout the year, there are 9.9 snowfall days, and 203mm (7.99") of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 6min of daylight.
On the first day of the month, sunrise is at 07:25 and sunset at 16:41. On the last day of December, sunrise is at 07:45 and sunset at 16:49 CET.

Sunshine

The average sunshine in December is 5.5h.

UV index

January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for average individuals.
Note: The maximum UV index of 2 during December translates into these guidelines:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.

Frequently asked questions

In Porrona, 9.7°C (49.5°F) is the average high-temperature and 3.4°C (38.1°F) is the average low-temperature during December. In August, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 34°C (93.2°F).

In December, the average relative humidity is 83%.

In December, the rain falls for 11.1 days. Throughout December, 45mm (1.77") of precipitation is accumulated.

In Porrona, during December, snow falls for 1.5 days and regularly aggregates up to 26mm (1.02") of snow.

With an average of 9h and 6min of daylight, December has the shortest days of the year.

The average day length in December is 9h and 5min.

On the first day of December, sunrise is at 07:25 and sunset at 16:41. On the last day of the month, sunrise is at 07:45 and sunset at 16:49 CET.

The average sunshine duration in December is 5.5h.

January and December, with an average maximum UV index of 2, are months with the lowest UV index.

In December, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Porrona, Italy

  • Average high temperature in December: 9.7°C

The warmest month (with the highest average high temperature) is August (30.3°C).
The month with the lowest average high temperature is January (8.7°C).

  • Average low temperature in December: 3.4°C

The month with the highest average low temperature is August (17.2°C).
The coldest month (with the lowest average low temperature) is January (2.2°C).

Average pressure in December
Porrona, Italy

  • Average pressure in December: 1018.5mbar

The month with the highest atmospheric pressure is December (1018.5mbar).
The month with the lowest atmospheric pressure is July (1013.7mbar).

Average wind speed in December
Porrona, Italy

  • Average wind speed in December: 9.9km/h

The windiest month (with the highest average wind speed) is February (12.4km/h).
The calmest month (with the lowest average wind speed) is July (7.7km/h).

Average humidity in December
Porrona, Italy

  • Average humidity in December: 83%

The month with the highest relative humidity is November (85%).
The month with the lowest relative humidity is August (61%).

Average rainfall in December
Porrona, Italy

  • Average rainfall in December: 45mm

The wettest month (with the highest rainfall) is November (86mm).
The driest month (with the least rainfall) is July (29mm).

Average rainfall days in December
Porrona, Italy

  • Average rainfall days in December: 11.1 days

The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is August (7.7 days).

Average snowfall in December
Porrona, Italy

  • Average snowfall in December: 26mm

The month with the highest snowfall is January (104mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in December
Porrona, Italy

  • Average snowfall days in December: 1.5 days

The month with the highest number of snowfall days is February (3.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in December /
Average sunshine in December
Porrona, Italy

  • Average daylight in December: 9h and 6min

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 30min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).

Average sunshine days in December
Porrona, Italy

  • Average sunshine days in December: 17.1 days

The month with the most sunshine days is August (22.1 days).
The month with the least sunshine days is April (12.4 days).

Average UV index in December
Porrona, 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
Porrona, Italy

  • Average cloud cover in December: 41

The month with the most cloud cover is January (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 12).

Average visibility in December
Porrona, Italy

  • Average visibility in December: 9km

The months with the highest visibility are July and August (10km).
The month with the lowest visibility is November (8km).