December weather forecast
Sarteano, Italy

December

Weather in December

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

Temperature

December brings a minor shift in the average high-temperature, adjusting from a moderate 13.9°C (57°F) in November to a frosty 9.7°C (49.5°F). During the December nights, an average temperature of 3.4°C (38.1°F) is observed.

Humidity

In December, the average relative humidity is 83%.

Rainfall

In Sarteano, during December, the rain falls for 11.1 days and regularly aggregates up to 45mm (1.77") of precipitation. In Sarteano, during the entire year, the rain falls for 140.1 days and collects up to 556mm (21.89") of precipitation.

Snowfall

Months with snowfall are January through March, November and December. In December, it is snowing for 1.5 days. Throughout December, 26mm (1.02") of snow is accumulated. In Sarteano, during the entire year, snow falls for 9.9 days and aggregates up to 203mm (7.99") of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 6min of daylight.
On the first day of the month, sunrise is at 07:24 and sunset at 16:39. On the last day of December, sunrise is at 07:43 and sunset at 16:47 CET.

Sunshine

The average sunshine in December is 5.5h.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. During bright days, sunglasses that offer UVA and UVB defense are recommended. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.

Frequently asked questions

What is the average December temperature?
The high-temperature during December is 9.7°C (49.5°F) and the low-temperature is 3.4°C (38.1°F). In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is calculated to be 34°C (93.2°F).
What is the average humidity in December?
The average relative humidity in December is 83%.
How many days does it rain in December?
In December, the rain falls for 11.1 days. Throughout December, 45mm (1.77") of precipitation is accumulated.
How much does it snow in December?
In Sarteano, during December, snow falls for 1.5 days and regularly aggregates up to 26mm (1.02") of snow.
What is the month with the shortest days?
With an average of 9h and 6min of daylight, December has the shortest days of the year.
What is the average length of the day in December?
The average day length in December is 9h and 4min.
When is the sunrise / sunset in December?
On the first day of December, sunrise is at 07:24 and sunset at 16:39. On the last day of the month, sunrise is at 07:43 and sunset at 16:47 CET.
How many hours of sunshine does Sarteano have in December?
The average sunshine duration in December is 5.5h.
When is the lowest UV index?
January and December, with an average maximum UV index of 2, are months with the lowest UV index.
How high is the UV index in December in Sarteano?
The average daily maximum UV index in December is 2. A UV Index 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
Sarteano, 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
Sarteano, 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
Sarteano, 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
Sarteano, 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
Sarteano, 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
Sarteano, 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
Sarteano, 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
Sarteano, 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
Sarteano, Italy
  • 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 3min

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
Sarteano, 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
Sarteano, 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
Sarteano, 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
Sarteano, 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).

englishespañol中文
Share