Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
December sees a slight reduction in average high-temperature, with a shift from a frosty 7.5°C (45.5°F) in November to an icy 3.5°C (38.3°F). Nighttime temperatures in Grumes consistently average a freezing cold -3.1°C (26.4°F) during December.Humidity
The least humid month is December, with an average relative humidity of 74%.Rainfall
In Grumes, in December, during 9.5 rainfall days, 52mm (2.05") of precipitation is typically accumulated. Throughout the year, there are 206.6 rainfall days, and 1059mm (41.69") of precipitation is accumulated.Snowfall
Months with snowfall in Grumes, Italy, are January through April, October through December. In December, it is snowing for 2.3 days. Throughout December, 26mm (1.02") of snow is accumulated. In Grumes, during the entire year, snow falls for 11.9 days and aggregates up to 126mm (4.96") of snow.Daylight
The month with the shortest days is December, with an average of 8h and 42min of daylight.On the first day of December, sunrise is at 07:37 and sunset at 16:30. On the last day of the month, sunrise is at 07:57 and sunset at 16:38 CET.
Sunshine
The average sunshine in December in Grumes is 6.4h.UV index
January, February, October through 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 minimal health hazard from exposure to the Sun's UV rays for the average person.Note: In December, a regular UV index of 2 translates into these guidelines:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Frequently asked questions
Is it cold in Grumes during December?
What is the least humid month in Grumes?
What is the average humidity in December in Grumes?
How many days does it rain in December in Grumes?
How many days does it snow in December in Grumes?
What is the month with the shortest days in Grumes?
What is the average length of the day in December in Grumes?
When are sunrise and sunset in December in Grumes?
How long on average sun shines in December in Grumes?
What are the months with the lowest UV index in Grumes?
What is the UV index reading in December in Grumes?
Average temperature in December
Grumes, Italy
- Average high temperature in December: 3.5°C
The warmest month (with the highest average high temperature) is July (22.3°C).
The month with the lowest average high temperature is January (2°C).
- Average low temperature in December: -3.1°C
The month with the highest average low temperature is July (11.2°C).
The coldest month (with the lowest average low temperature) is January (-4.2°C).
Average pressure in December
Grumes, Italy
- Average pressure in December: 1020.1mbar
The month with the highest atmospheric pressure is December (1020.1mbar).
The month with the lowest atmospheric pressure is May (1015mbar).
Average wind speed in December
Grumes, Italy
- Average wind speed in December: 6.6km/h
The windiest months (with the highest average wind speed) are February, March and May (7.4km/h).
The calmest month (with the lowest average wind speed) is November (5.9km/h).
Average humidity in December
Grumes, Italy
- Average humidity in December: 74%
The month with the highest relative humidity is November (82%).
The month with the lowest relative humidity is December (74%).
Average rainfall in December
Grumes, Italy
- Average rainfall in December: 52mm
The wettest month (with the highest rainfall) is November (152mm).
The driest month (with the least rainfall) is January (37mm).
Average rainfall days in December
Grumes, Italy
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is May (25.1 days).
The month with the least rainy days is December (9.5 days).
Average snowfall in December
Grumes, Italy
- Average snowfall in December: 26mm
The month with the highest snowfall is February (38mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
Grumes, Italy
- Average snowfall days in December: 2.3 days
The months with the highest number of snowfall days are January and February (3.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Grumes, Italy
- Average daylight in December: 8h and 4min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in December: 6h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is November (Average sunshine: 5h and 36min).
Average sunshine days in December
Grumes, Italy
- Average sunshine days in December: 19.5 days
The month with the most sunshine days is December (19.5 days).
The month with the least sunshine days is June (2.5 days).
Average UV index in December
Grumes, Italy
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in December
Grumes, Italy
- Average cloud cover in December: 29
The month with the most cloud cover is November (Cloud cover 41).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in December
Grumes, Italy
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August and December (9km).
The months with the lowest visibility are September, October and November (8km).
Grumes, Italy
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