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 days in December
- Average sea temperature 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 an enjoyable 16.8°C (62.2°F) in November to a moderate 13.6°C (56.5°F). A consistent average low-temperature of 11.4°C (52.5°F), with a minor variance from the daytime highs, is noted in Rio Marina, Italy, during the nights of December.Humidity
The months with the lowest humidity are September and December, with an average relative humidity of 69%.Rainfall
In Rio Marina, Italy, in December, during 12.6 rainfall days, 41mm (1.61") of precipitation is typically accumulated. In Rio Marina, during the entire year, the rain falls for 134.4 days and collects up to 521mm (20.51") of precipitation.Snowfall
In Rio Marina, Italy, snow does not fall in January, March through December.Sea temperature
In Rio Marina, in December, the average water temperature is 15.8°C (60.4°F).Note: In 15.8°C (60.4°F), swimming is not an enjoyable activity for most. The challenge of managing one's breathing increases as the temperature goes under 21°C (69.8°F).
Daylight
The month with the shortest days is December, with an average of 9h and 6min of daylight.On the first day of December in Rio Marina, sunrise is at 07:29 and sunset at 16:45. On the last day of the month, sunrise is at 07:48 and sunset at 16:54 CET.
Sunshine
In Rio Marina, the average sunshine in December is 6.2h.UV index
In December, the average daily maximum UV index in Rio Marina is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: A daily high UV index of 4 in December leads to these guidelines:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Frequently asked questions
What are December temperatures in Rio Marina?
What are the least humid months in Rio Marina?
What is the average humidity in December in Rio Marina?
How many days does it rain in December in Rio Marina?
When it does not snow in Rio Marina?
What is the sea temperature in December in Rio Marina?
What is the month with the shortest days in Rio Marina?
What is the average length of the day in December in Rio Marina?
When are sunrise and sunset in December in Rio Marina?
How long on average sun shines in December in Rio Marina?
What is the UV index reading in December in Rio Marina?
Average temperature in December
Rio Marina, Italy
- Average high temperature in December: 13.6°C
The warmest month (with the highest average high temperature) is August (25.8°C).
The month with the lowest average high temperature is February (12°C).
- Average low temperature in December: 11.4°C
The month with the highest average low temperature is August (23.7°C).
The coldest month (with the lowest average low temperature) is February (9.7°C).
Average pressure in December
Rio Marina, Italy
- Average pressure in December: 1018.1mbar
The month with the highest atmospheric pressure is December (1018.1mbar).
The months with the lowest atmospheric pressure are April and July (1013.8mbar).
Average wind speed in December
Rio Marina, Italy
- Average wind speed in December: 19.7km/h
The windiest month (with the highest average wind speed) is February (21.6km/h).
The calmest month (with the lowest average wind speed) is July (12.8km/h).
Average humidity in December
Rio Marina, Italy
- Average humidity in December: 69%
The months with the highest relative humidity are April, May and June (74%).
The months with the lowest relative humidity are September and December (69%).
Average rainfall in December
Rio Marina, Italy
- Average rainfall in December: 41mm
The wettest month (with the highest rainfall) is November (98mm).
The driest month (with the least rainfall) is August (18mm).
Average rainfall days in December
Rio Marina, Italy
- Average rainfall days in December: 12.6 days
The month with the highest number of rainy days is November (16.7 days).
The month with the least rainy days is August (5.5 days).
Average snowfall days in December
Rio Marina, Italy
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).
Average sea temperature in December
Rio Marina, Italy
- Average sea temperature in December: 15.8°C
The best month for swimming (with the highest average sea temperature) is August (24.8°C).
The coldest month (with the lowest average sea temperature) is February (13.7°C).
Average daylight in December /
Average sunshine in December
Rio Marina, 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 months with the most sunshine are June and July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 0min).
Average sunshine days in December
Rio Marina, Italy
- Average sunshine days in December: 15.5 days
The month with the most sunshine days is August (23 days).
The month with the least sunshine days is November (11.3 days).
Average UV index in December
Rio Marina, Italy
- Average UV index in December: 4
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is January (UV index 3).
Average cloud cover in December
Rio Marina, Italy
- Average cloud cover in December: 32
The month with the most cloud cover is January (Cloud cover 37).
The month with the least cloud cover is August (Cloud cover 9).
Average visibility in December
Rio Marina, 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).
Rio Marina, Italy
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