December weather forecast
Grignasco, Italy

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Weather in December

December, the first month of the winter in Grignasco, is still a cold month, with an average temperature ranging between min -0.5°C (31.1°F) and max 5.6°C (42.1°F).

Temperature

The arrival of December signals a subtle shift in temperature, down from a frosty 9.6°C (49.3°F) in November to a wintry 5.6°C (42.1°F). Grignasco cools down to an average low-temperature of -0.5°C (31.1°F) throughout the month of December.

Humidity

In Grignasco, the average relative humidity in December is 73%.

Rainfall

In Grignasco, Italy, in December, it is raining for 9.3 days, with typically 47mm (1.85") of accumulated precipitation. Throughout the year, in Grignasco, there are 188.8 rainfall days, and 1018mm (40.08") of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall. In Grignasco, in December, snow falls for 3.1 days, with typically accumulated 40mm (1.57") of snow. Throughout the year, there are 13 snowfall days, and 172mm (6.77") of snow is accumulated.

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 07:47 and sunset at 16:44. On the last day of the month, sunrise is at 08:07 and sunset at 16:52 CET.

Sunshine

The average sunshine in December in Grignasco, Italy, is 6.7h.

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 estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: In December, the maximum UV index of 2 translates into these guidelines:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.

Frequently asked questions

How cold is it in Grignasco in December?

December temperatures vary between a high-temperature of 5.6°C (42.1°F) and a low-temperature of -0.5°C (31.1°F).

What is the average humidity in December in Grignasco?

The average relative humidity in December in Grignasco, Italy, is 73%.

How much does it rain in Grignasco in December?

In Grignasco, in December, it is raining for 9.3 days, with typically 47mm (1.85") of accumulated precipitation.

How many days does it snow in December in Grignasco?

In December, in Grignasco, it is snowing for 3.1 days. Throughout December, 40mm (1.57") of snow is accumulated.

What is the month with the shortest days in Grignasco?

The month with the shortest days in Grignasco, Italy, is December, with an average of 8h and 48min of daylight.

How many hours of daylight does Grignasco have in December?

In Grignasco, the average day length in December is 8h and 46min.

When is the sunrise / sunset in December in Grignasco?

In December, on the first day of the month, sunrise is at 07:47 and sunset at 16:44. On the last day of the month, sunrise is at 08:07 and sunset at 16:52 CET.

How long on average sun shines in December in Grignasco?

In December, the average sunshine duration in Grignasco, Italy, is 6.7h.

When is the lowest UV index in Grignasco?

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

What is the UV index intensity in December in Grignasco?

In Grignasco, Italy, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Grignasco, Italy

Average temperature in December - Grignasco, Italy
  • Average high temperature in December: 5.6°C

The warmest month (with the highest average high temperature) is August (24.9°C).
The month with the lowest average high temperature is January (4.6°C).

  • Average low temperature in December: -0.5°C

The months with the highest average low temperature are July and August (14.3°C).
The coldest month (with the lowest average low temperature) is January (-1.6°C).

Average pressure in December
Grignasco, Italy

Average pressure in December - Grignasco, Italy
  • Average pressure in December: 1020.3mbar

The month with the highest atmospheric pressure is December (1020.3mbar).
The month with the lowest atmospheric pressure is April (1014.7mbar).

Average wind speed in December
Grignasco, Italy

Average wind speed in December - Grignasco, Italy
  • Average wind speed in December: 5.6km/h

The windiest month (with the highest average wind speed) is May (6.8km/h).
The calmest month (with the lowest average wind speed) is November (5.2km/h).

Average humidity in December
Grignasco, Italy

Average humidity in December - Grignasco, Italy
  • Average humidity in December: 73%

The month with the highest relative humidity is November (77%).
The month with the lowest relative humidity is March (71%).

Average rainfall in December
Grignasco, Italy

Average rainfall in December - Grignasco, Italy
  • Average rainfall in December: 47mm

The wettest month (with the highest rainfall) is November (164mm).
The driest month (with the least rainfall) is January (22mm).

Average rainfall days in December
Grignasco, Italy

Average rainfall days in December - Grignasco, Italy
  • Average rainfall days in December: 9.3 days

The month with the highest number of rainy days is July (23.3 days).
The month with the least rainy days is January (7.8 days).

Average snowfall in December
Grignasco, Italy

Average snowfall in December - Grignasco, Italy
  • Average snowfall in December: 40mm

The month with the highest snowfall is February (47mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in December
Grignasco, Italy

Average snowfall days in December - Grignasco, Italy
  • Average snowfall days in December: 3.1 days

The month with the highest number of snowfall days is January (4.4 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
Grignasco, Italy

Average daylight in December / Average sunshine in December - Grignasco, 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 4min

The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is November (Average sunshine: 5h and 48min).

Average sunshine days in December
Grignasco, Italy

Average sunshine days in December - Grignasco, Italy
  • Average sunshine days in December: 17.3 days

The month with the most sunshine days is January (19.1 days).
The month with the least sunshine days is July (4.1 days).

Average UV index in December
Grignasco, Italy

Average UV index in December - Grignasco, Italy
  • Average UV index in December: 2

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

Average cloud cover in December
Grignasco, Italy

Average cloud cover in December - Grignasco, Italy
  • Average cloud cover in December: 26

The month with the most cloud cover is November (Cloud cover 37).
The months with the least cloud cover are July and August (Cloud cover 25).

Average visibility in December
Grignasco, Italy

Average visibility in December - Grignasco, Italy
  • Average visibility in December: 9km

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

Grignasco, Italy

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