December weather forecast
Grezzana, Italy

December

Weather in December

The first month of the winter, December, is still a chilly month in Grezzana, Italy, with an average temperature fluctuating between 6.8°C (44.2°F) and 1.5°C (34.7°F).

Temperature

In Grezzana, the average high-temperature in December gently drops from a cool 11.5°C (52.7°F) in November to a frosty 6.8°C (44.2°F). The average temperature drops to a cold 1.5°C (34.7°F) during the night in the month of December.

Humidity

In December, the average relative humidity is 73%.

Rainfall

The months with the least rainfall are January and December Rain falls for 7.1 days and accumulates 14mm (0.55") of rain.

Snowfall

January through March and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 1 snowfall days, it receives 7mm (0.28") of snow. Throughout the year, there are 4.4 snowfall days, and 24mm (0.94") of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 8h and 48min of daylight.
On the first day of the month, sunrise is at 07:36 and sunset at 16:34. On the last day of December, sunrise is at 07:55 and sunset at 16:42 CET.

Sunshine

The average sunshine in December is 6h.

UV index

The months with the lowest UV index are January, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: A daily high UV index of 2 in December leads to these guidelines:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.

Frequently asked questions

How cold is December?
In Grezzana, in December, the average high-temperature is 6.8°C (44.2°F), and the average low-temperature is 1.5°C (34.7°F). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in August is calculated to be 30°C (86°F).
What is the average humidity in December?
In December, the average relative humidity is 73%.
What is the driest month?
The months with the least rainfall are January and December Rain falls for 7.1 days and accumulates 14mm (0.55") of rain.
How many days does it rain in December?
In Grezzana, in December, during 7.1 rainfall days, 14mm (0.55") of precipitation is typically accumulated.
When does it start snowing in Grezzana?
December is the first month it typically snows. Throughout December, in the average 1 snowfall days, it receives 7mm (0.28") of snow.
What is the month with the shortest days in Grezzana?
The month with the shortest days is December, with an average of 8h and 48min of daylight.
What is the average length of the day in December?
In December, the average day length is 8h and 47min.
When are sunrise and sunset in December?
In December, on the first day of the month, sunrise is at 07:36 and sunset at 16:34. On the last day of the month, sunrise is at 07:55 and sunset at 16:42 CET.
How long on average sun shines in December in Grezzana?
In Grezzana, the average sunshine duration in December is 6h.
When is the lowest UV index in Grezzana?
January, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
What is the UV index reading in December?
In Grezzana, 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
Grezzana, Italy
  • Average high temperature in December: 6.8°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 (5.8°C).

  • Average low temperature in December: 1.5°C

The month with the highest average low temperature is August (17.8°C).
The coldest month (with the lowest average low temperature) is January (0.9°C).

Average pressure in December
Grezzana, 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
Grezzana, Italy
  • Average wind speed in December: 6.2km/h

The windiest month (with the highest average wind speed) is April (8.3km/h).
The calmest month (with the lowest average wind speed) is December (6.2km/h).

Average humidity in December
Grezzana, Italy
  • Average humidity in December: 73%

The month with the highest relative humidity is November (80%).
The month with the lowest relative humidity is August (69%).

Average rainfall in December
Grezzana, Italy
  • Average rainfall in December: 14mm

The wettest month (with the highest rainfall) is June (75mm).
The driest months (with the least rainfall) are January and December (14mm).

Average rainfall days in December
Grezzana, Italy
  • Average rainfall days in December: 7.1 days

The month with the highest number of rainy days is June (18.1 days).
The month with the least rainy days is January (6.9 days).

Average snowfall in December
Grezzana, Italy
  • Average snowfall in December: 7mm

The month with the highest snowfall is February (8mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

Average snowfall days in December
Grezzana, Italy
  • Average snowfall days in December: 1 days

The month with the highest number of snowfall days is January (1.4 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
Grezzana, Italy
  • Average daylight in December: 8h and 5min

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: 6h and 0min

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

Average sunshine days in December
Grezzana, Italy
  • Average sunshine days in December: 22.6 days

The months with the most sunshine days are January and December (22.6 days).
The month with the least sunshine days is June (9.2 days).

Average UV index in December
Grezzana, 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, November and December (UV index 2).

Average cloud cover in December
Grezzana, Italy
  • Average cloud cover in December: 35

The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 22).

Average visibility in December
Grezzana, 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).

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