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
A moderate decline in average high-temperatures is noted in December, moving from a moderate 15.6°C (60.1°F) in November to a cool 12.2°C (54°F). Grosseto records a slight downturn in temperature to an average of 7.5°C (45.5°F) during December nights.Humidity
In Grosseto, the average relative humidity in December is 76%.Rainfall
In Grosseto, Italy, during December, the rain falls for 10.5 days and regularly aggregates up to 29mm (1.14") of precipitation. Throughout the year, in Grosseto, Italy, there are 122.6 rainfall days, and 368mm (14.49") of precipitation is accumulated.Snowfall
In Grosseto, snow does not fall in January, March through December.Daylight
The month with the shortest days in Grosseto is December, with an average of 9h and 6min of daylight.On the first day of December in Grosseto, sunrise is at 07:26 and sunset at 16:42. On the last day of the month, sunrise is at 07:45 and sunset at 16:51 CET.
Sunshine
In Grosseto, the average sunshine in December is 6.1h.UV index
The months with the lowest UV index in Grosseto are January, February, November and December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 3 in December converts into the following recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Frequently asked questions
What is the temperature in December in Grosseto?
What is the average humidity in December in Grosseto?
How many days does it rain in December in Grosseto?
When it does not snow in Grosseto?
What is the month with the shortest days in Grosseto?
What is the average length of the day in December in Grosseto?
When is the sunrise / sunset in December in Grosseto?
How many hours of sunshine does Grosseto have in December?
When is the lowest UV index in Grosseto?
What is the UV index reading in December in Grosseto?
Average temperature in December
Grosseto, Italy
- Average high temperature in December: 12.2°C
The warmest month (with the highest average high temperature) is August (28.8°C).
The month with the lowest average high temperature is January (10.8°C).
- Average low temperature in December: 7.5°C
The month with the highest average low temperature is August (20.6°C).
The coldest month (with the lowest average low temperature) is January (5.8°C).
Average pressure in December
Grosseto, Italy
- Average pressure in December: 1018.3mbar
The month with the highest atmospheric pressure is December (1018.3mbar).
The month with the lowest atmospheric pressure is July (1013.8mbar).
Average wind speed in December
Grosseto, Italy
- Average wind speed in December: 14.3km/h
The windiest month (with the highest average wind speed) is February (16.5km/h).
The calmest month (with the lowest average wind speed) is July (10.3km/h).
Average humidity in December
Grosseto, Italy
- Average humidity in December: 76%
The month with the highest relative humidity is November (78%).
The month with the lowest relative humidity is August (65%).
Average rainfall in December
Grosseto, Italy
- Average rainfall in December: 29mm
The wettest month (with the highest rainfall) is November (72mm).
The driest month (with the least rainfall) is July (15mm).
Average rainfall days in December
Grosseto, Italy
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is November (14.5 days).
The month with the least rainy days is July (5.6 days).
Average snowfall in December
Grosseto, Italy
- Average snowfall in December: 0mm
The month with the highest snowfall is February (2mm).
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in December
Grosseto, Italy
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is February (0.2 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Grosseto, Italy
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 6h and 1min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 42min).
Average sunshine days in December
Grosseto, Italy
- Average sunshine days in December: 17.5 days
The month with the most sunshine days is July (22.3 days).
The month with the least sunshine days is November (13.4 days).
Average UV index in December
Grosseto, Italy
- Average UV index in December: 3
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in December
Grosseto, Italy
- Average cloud cover in December: 34
The month with the most cloud cover is January (Cloud cover 39).
The months with the least cloud cover are July and August (Cloud cover 10).
Average visibility in December
Grosseto, Italy
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Grosseto, Italy
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