December weather forecastRosate, Italy

December

Weather in December

The first month of the winter, December, is also a frosty month in Rosate, Italy, with an average temperature fluctuating between 7.1°C (44.8°F) and 2.1°C (35.8°F).

Temperature

The transition to December results in a modest reduction in average high-temperature, moving from a fresh 11.7°C (53.1°F) in November to a chilly 7.1°C (44.8°F). Rosate's December nights witness minimal differential from the daytime temperatures, with averages of 2.1°C (35.8°F).

Humidity

The average relative humidity in December in Rosate is 77%.

Rainfall

In Rosate, in December, during 7.8 rainfall days, 37mm (1.46") of precipitation is typically accumulated. In Rosate, during the entire year, the rain falls for 156.9 days and collects up to 896mm (35.28") of precipitation.

Snowfall

Months with snowfall in Rosate are January through March and December. December is the first month it typically snows. Throughout December, in the average 1.6 snowfall days, it receives 14mm (0.55") of snow. In Rosate, during the entire year, snow falls for 4.4 days and aggregates up to 64mm (2.52") of snow.

Daylight

With an average of 8h and 48min of daylight, December has the shortest days of the year in Rosate.
On the first day of December, sunrise is at 07:43 and sunset at 16:42. On the last day of the month, sunrise is at 08:03 and sunset at 16:50 CET.

Sunshine

The average sunshine in December in Rosate is 5.8h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum UV index of 2 during December translates into these guidelines:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

Frequently asked questions

Rosate in December has an average high-temperature of 7.1°C (44.8°F) and an average low-temperature of 2.1°C (35.8°F). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in August is calculated to be 33°C (91.4°F).

In Rosate, the average relative humidity in December is 77%.

In Rosate, during December, the rain falls for 7.8 days and regularly aggregates up to 37mm (1.46") of precipitation.

December is the first month it typically snows. Throughout December, in the average 1.6 snowfall days, it receives 14mm (0.55") of snow.

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

The average day length in December in Rosate is 8h and 48min.

On the first day of December, sunrise is at 07:43 and sunset at 16:42. On the last day of the month, sunrise is at 08:03 and sunset at 16:50 CET.

The average sunshine duration in December in Rosate, Italy, is 5.8h.

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

In December, the average daily maximum UV index in Rosate is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability 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
Rosate, Italy

  • Average high temperature in December: 7.1°C

The warmest month (with the highest average high temperature) is July (29.3°C).
The month with the lowest average high temperature is January (6.3°C).

  • Average low temperature in December: 2.1°C

The month with the highest average low temperature is August (18.7°C).
The coldest month (with the lowest average low temperature) is January (1.3°C).

Average pressure in December
Rosate, 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 April and May (1014.5mbar).

Average wind speed in December
Rosate, Italy

  • Average wind speed in December: 5.5km/h

The windiest month (with the highest average wind speed) is April (7.1km/h).
The calmest month (with the lowest average wind speed) is August (5.3km/h).

Average humidity in December
Rosate, Italy

  • Average humidity in December: 77%

The month with the highest relative humidity is November (82%).
The month with the lowest relative humidity is August (69%).

Average rainfall in December
Rosate, Italy

  • Average rainfall in December: 37mm

The wettest month (with the highest rainfall) is November (116mm).
The driest month (with the least rainfall) is January (26mm).

Average rainfall days in December
Rosate, Italy

  • Average rainfall days in December: 7.8 days

The month with the highest number of rainy days is July (19 days).
The month with the least rainy days is January (6.5 days).

Average snowfall in December
Rosate, Italy

  • Average snowfall in December: 14mm

The month with the highest snowfall is February (25mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

Average snowfall days in December
Rosate, Italy

  • Average snowfall days in December: 1.6 days

The month with the highest number of snowfall days is December (1.6 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
Rosate, 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 48min

The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is November (Average sunshine: 4h and 54min).

Average sunshine days in December
Rosate, Italy

  • Average sunshine days in December: 21.3 days

The month with the most sunshine days is January (23.3 days).
The month with the least sunshine days is July (8.6 days).

Average UV index in December
Rosate, Italy

  • Average UV index in December: 2

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in December
Rosate, Italy

  • Average cloud cover in December: 35

The month with the most cloud cover is November (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 20).

Average visibility in December
Rosate, Italy

  • Average visibility in December: 9km

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