December weather forecastGromo, Italy
December weather for Gromo, Italy: The first month of the winter, December, is still a freezing cold month in Gromo, Italy, with temperature in the range of an average low of -9.7°C (14.5°F) and an average high of -1.7°C (28.9°F). In Gromo, Italy, during December, the rain falls for 2.4 days and regularly aggregates up to 47mm (1.85") of precipitation.
December
Weather in December
The first month of the winter, December, is still a freezing cold month in Gromo, Italy, with temperature in the range of an average low of -9.7°C (14.5°F) and an average high of -1.7°C (28.9°F).Temperature
A mild shift in the average high-temperature occurs in December, reducing from a wintry 1.8°C (35.2°F) in November to a freezing cold -1.7°C (28.9°F). In Gromo, the average temperature during the nights of December drops to a still subzero cold -9.7°C (14.5°F).Humidity
In December, the average relative humidity in Gromo is 83%.Rainfall
In Gromo, Italy, during December, the rain falls for 2.4 days and regularly aggregates up to 47mm (1.85") of precipitation. In Gromo, during the entire year, the rain falls for 141.8 days and collects up to 1016mm (40") of precipitation.Snowfall
Months with snowfall in Gromo are January through December. In Gromo, in December, snow falls for 12.7 days, with typically accumulated 376mm (14.8") of snow. Throughout the year, in Gromo, there are 98.9 snowfall days, and 3454mm (135.98") of snow is accumulated.Daylight
With an average of 8h and 42min of daylight, December has the shortest days of the year in Gromo.On the first day of the month, sunrise is at 07:42 and sunset at 16:36. On the last day of December, sunrise is at 08:01 and sunset at 16:45 CET.
Sunshine
The average sunshine in December in Gromo is 5.8h.UV index
The average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the ordinary person.Note: A daily high UV index of 2 in December leads to these guidelines:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Avoiding the Sun during its peak radiation time around midday is a healthy practice. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Gromo, Italy
- Average high temperature in December: -1.7°C
The warmest month (with the highest average high temperature) is July (16.6°C).
The month with the lowest average high temperature is January (-2.8°C).
- Average low temperature in December: -9.7°C
The month with the highest average low temperature is August (6.7°C).
The coldest month (with the lowest average low temperature) is January (-10.8°C).
Average pressure in December
Gromo, Italy
- Average pressure in December: 1020.5mbar
The month with the highest atmospheric pressure is December (1020.5mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).
Average wind speed in December
Gromo, Italy
- Average wind speed in December: 8.8km/h
The windiest month (with the highest average wind speed) is December (8.8km/h).
The calmest month (with the lowest average wind speed) is August (6.6km/h).
Average humidity in December
Gromo, Italy
- Average humidity in December: 83%
The months with the highest relative humidity are March and April (89%).
The month with the lowest relative humidity is July (81%).
Average rainfall in December
Gromo, Italy
- Average rainfall in December: 47mm
The wettest month (with the highest rainfall) is August (149mm).
The driest month (with the least rainfall) is January (32mm).
Average rainfall days in December
Gromo, Italy
- Average rainfall days in December: 2.4 days
The month with the highest number of rainy days is July (25.8 days).
The month with the least rainy days is December (2.4 days).
Average snowfall in December
Gromo, Italy
- Average snowfall in December: 376mm
The month with the highest snowfall is November (902mm).
The month with the least snowfall is August (1mm).
Average snowfall days in December
Gromo, Italy
- Average snowfall days in December: 12.7 days
The month with the highest number of snowfall days is March (16 days).
The month with the least snowfall days is August (0.1 days).
Average daylight in December /
Average sunshine in December
Gromo, Italy
- Average daylight in December: 8h and 42min
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: 5h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is November (Average sunshine: 4h and 42min).
Average sunshine days in December
Gromo, Italy
- Average sunshine days in December: 18 days
The month with the most sunshine days is January (18.1 days).
The month with the least sunshine days is July (3.2 days).
Average UV index in December
Gromo, Italy
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are February, April and October (UV index 1).
Average cloud cover in December
Gromo, Italy
- Average cloud cover in December: 39
The month with the most cloud cover is April (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in December
Gromo, Italy
- Average visibility in December: 8km
The months with the highest visibility are June, July, August and December (8km).
The months with the lowest visibility are April and November (6km).
