December weather forecastColmello, Italy

December

Weather in December

The first month of the winter, December, is also a frosty month in Colmello, Italy, with an average temperature varying between 4.6°C (40.3°F) and 7.8°C (46°F).

Temperature

The arrival of December corresponds with a shift in temperature, down from a cool 12.8°C (55°F) in November to a frosty 7.8°C (46°F). In December, Colmello's nights cool slightly to a consistent average temperature of 4.6°C (40.3°F).

Humidity

The average relative humidity in December is 75%.

Rainfall

In Colmello, in December, it is raining for 9.8 days, with typically 50mm (1.97") of accumulated precipitation. In Colmello, during the entire year, the rain falls for 150.5 days and collects up to 766mm (30.16") of precipitation.

Snowfall

Months with snowfall are January through March and December. The month with the most snowfall is December, when snow falls for 0.8 days and typically aggregates up to 9mm (0.35") of snow.

Daylight

With an average of 8h and 48min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 07:31 and sunset at 16:28. On the last day of the month, sunrise is at 07:51 and sunset at 16:37 CET.

Sunshine

In Colmello, 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 of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: A daily high UV index of 2 in December leads to these guidelines:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.

Frequently asked questions

The high-temperature, in December, in Colmello, is 7.8°C (46°F), while the low-temperature averages to 4.6°C (40.3°F). In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines relative humidity and air temperature, is calculated to be 30°C (86°F).

In Colmello, the average relative humidity in December is 75%.

In Colmello, in December, it is raining for 9.8 days, with typically 50mm (1.97") of accumulated precipitation.

December is the month with the most snowfall. Snow falls for 0.8 days and accumulates 9mm (0.35") of snow.

December is the first month it typically snows. Throughout December, in the average 0.8 snowfall days, it receives 9mm (0.35") of snow.

December has the shortest days of the year in Colmello, with an average of 8h and 48min of daylight.

The average day length in December is 8h and 46min.

In December, on the first day of the month, sunrise is at 07:31 and sunset at 16:28. On the last day of the month, sunrise is at 07:51 and sunset at 16:37 CET.

In December, the average sunshine duration is 5.5h.

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

The average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from exposure to the Sun's UV radiation.
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
Colmello, Italy

  • Average high temperature in December: 7.8°C

The warmest month (with the highest average high temperature) is August (27.7°C).
The month with the lowest average high temperature is January (6.9°C).

  • Average low temperature in December: 4.6°C

The month with the highest average low temperature is August (20.8°C).
The coldest month (with the lowest average low temperature) is January (3.6°C).

Average pressure in December
Colmello, Italy

  • Average pressure in December: 1019.6mbar

The month with the highest atmospheric pressure is December (1019.6mbar).
The month with the lowest atmospheric pressure is May (1014.5mbar).

Average wind speed in December
Colmello, Italy

  • Average wind speed in December: 9.4km/h

The windiest month (with the highest average wind speed) is February (12.1km/h).
The calmest months (with the lowest average wind speed) are June, July, August and December (9.4km/h).

Average humidity in December
Colmello, Italy

  • Average humidity in December: 75%

The month with the highest relative humidity is November (78%).
The month with the lowest relative humidity is August (69%).

Average rainfall in December
Colmello, Italy

  • Average rainfall in December: 50mm

The wettest month (with the highest rainfall) is November (99mm).
The driest month (with the least rainfall) is January (36mm).

Average rainfall days in December
Colmello, Italy

  • Average rainfall days in December: 9.8 days

The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is December (9.8 days).

Average snowfall in December
Colmello, Italy

  • Average snowfall in December: 9mm

The month with the highest snowfall is December (9mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

Average snowfall days in December
Colmello, Italy

  • Average snowfall days in December: 0.8 days

The month with the highest number of snowfall days is February (1 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
Colmello, Italy

  • Average daylight in December: 8h and 48min

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in December: 5h and 30min

The month with the most sunshine is July (Average sunshine: 11h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

Average sunshine days in December
Colmello, Italy

  • Average sunshine days in December: 19.2 days

The month with the most sunshine days is December (19.2 days).
The month with the least sunshine days is May (12.7 days).

Average UV index in December
Colmello, 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
Colmello, Italy

  • Average cloud cover in December: 41

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 19).

Average visibility in December
Colmello, Italy

  • Average visibility in December: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (10km).
The month with the lowest visibility is November (9km).