December weather forecast
Colleferro, Italy

December

Weather in December

The first month of the winter, December, is still a cool month in Colleferro, Italy, with an average temperature fluctuating between 12.2°C (54°F) and 6.3°C (43.3°F).

Temperature

With the commencement of December, Colleferro records a moderate temperature decline, with the average high easing from November's comfortable 16.2°C (61.2°F) to a fresh 12.2°C (54°F). Colleferro throughout December, experiences an average nighttime temperature of 6.3°C (43.3°F).

Humidity

In Colleferro, the average relative humidity in December is 74%.

Rainfall

In Colleferro, in December, during 12.2 rainfall days, 58mm (2.28") of precipitation is typically accumulated. In Colleferro, during the entire year, the rain falls for 147.5 days and collects up to 643mm (25.31") of precipitation.

Snowfall

February and December are months with snowfall. December is the first month it typically snows in Colleferro. Throughout December, in the average 0.2 snowfall days, it receives 3mm (0.12") of snow. In Colleferro, during the entire year, snow falls for 1.1 days and aggregates up to 22mm (0.87") of snow.

Daylight

The month with the shortest days in Colleferro is December, with an average of 9h and 12min of daylight.
On the first day of December, sunrise is at 07:15 and sunset at 16:38. On the last day of the month, sunrise is at 07:34 and sunset at 16:47 CET.

Sunshine

In December, the average sunshine in Colleferro is 6.2h.

UV index

The months with the lowest UV index in Colleferro are January, February, November and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: In December, a daily UV index of 3 turns into the following recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Take note! UV radiation from the Sun can double in intensity due to snow reflection.

Frequently asked questions

What is the temperature in December in Colleferro?
In December, in Colleferro, the average high-temperature is 12.2°C (54°F), and the average low-temperature is 6.3°C (43.3°F). The average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, in August is appraised at 33°C (91.4°F).
What is the average humidity in December in Colleferro?
In Colleferro, the average relative humidity in December is 74%.
How much does it rain in Colleferro in December?
In Colleferro, during December, the rain falls for 12.2 days and regularly aggregates up to 58mm (2.28") of precipitation.
When does it start snowing in Colleferro?
December is the first month it typically snows. Throughout December, in the average 0.2 snowfall days, it receives 3mm (0.12") of snow.
What is the month with the shortest days in Colleferro?
December has the shortest days of the year, with an average of 9h and 12min of daylight.
How many hours of daylight does Colleferro have in December?
In December, the average day length is 9h and 13min.
What time are sunrise and sunset in December in Colleferro?
In December, on the first day of the month, sunrise is at 07:15 and sunset at 16:38. On the last day of the month, in Colleferro, Italy, sunrise is at 07:34 and sunset at 16:47 CET.
How long on average sun shines in December in Colleferro?
The average sunshine duration in December is 6.2h.
What are the months with the lowest UV index in Colleferro?
The months with the lowest UV index in Colleferro are January, February, November and December, with an average maximum UV index of 3.
What is the UV index reading in December in Colleferro?
In Colleferro, the average daily maximum UV index in December is 3. A UV Index value of 3 to 5 symbolizes a medium 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
Colleferro, Italy
  • Average high temperature in December: 12.2°C

The warmest month (with the highest average high temperature) is August (30°C).
The month with the lowest average high temperature is January (11°C).

  • Average low temperature in December: 6.3°C

The month with the highest average low temperature is August (20.3°C).
The coldest month (with the lowest average low temperature) is January (5.2°C).

Average pressure in December
Colleferro, Italy
  • Average pressure in December: 1018.6mbar

The month with the highest atmospheric pressure is December (1018.6mbar).
The month with the lowest atmospheric pressure is April (1014mbar).

Average wind speed in December
Colleferro, Italy
  • Average wind speed in December: 10.6km/h

The windiest month (with the highest average wind speed) is February (11.9km/h).
The calmest month (with the lowest average wind speed) is August (8.3km/h).

Average humidity in December
Colleferro, Italy
  • Average humidity in December: 74%

The month with the highest relative humidity is November (77%).
The month with the lowest relative humidity is August (59%).

Average rainfall in December
Colleferro, Italy
  • Average rainfall in December: 58mm

The wettest month (with the highest rainfall) is November (119mm).
The driest month (with the least rainfall) is August (19mm).

Average rainfall days in December
Colleferro, Italy
  • Average rainfall days in December: 12.2 days

The month with the highest number of rainy days is November (15.3 days).
The month with the least rainy days is August (6.5 days).

Average snowfall in December
Colleferro, Italy
  • Average snowfall in December: 3mm

The month with the highest snowfall is February (19mm).
The months with the least snowfall are January, March, April, May, June, July, August, September, October and November (0mm).

Average snowfall days in December
Colleferro, Italy
  • Average snowfall days in December: 0.2 days

The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).

Average daylight in December /
Average sunshine in December
Colleferro, Italy
  • 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: 6h and 1min

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

Average sunshine days in December
Colleferro, Italy
  • Average sunshine days in December: 17.4 days

The month with the most sunshine days is August (21.5 days).
The month with the least sunshine days is April (12.5 days).

Average UV index in December
Colleferro, Italy
  • Average UV index in December: 3

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).

Average cloud cover in December
Colleferro, Italy
  • Average cloud cover in December: 31

The month with the most cloud cover is January (Cloud cover 37).
The month with the least cloud cover is August (Cloud cover 10).

Average visibility in December
Colleferro, Italy
  • Average visibility in December: 10km

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

englishespañol中文
Share