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 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
Arenzano's December weather shows a modest shift in high-temperatures, falling from November's fresh 12.1°C (53.8°F) to a chilly 8.6°C (47.5°F). In December, a low-temperature average of 3.6°C (38.5°F) is characteristic of Arenzano, marking a minor shift from daytime temperatures.Humidity
The average relative humidity in December is 80%.Rainfall
In Arenzano, in December, during 11.5 rainfall days, 59mm (2.32") of precipitation is typically accumulated. Throughout the year, there are 151 rainfall days, and 616mm (24.25") of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. In Arenzano, in December, during 0.3 snowfall days, 3mm (0.12") of snow is typically accumulated. Throughout the year, in Arenzano, there are 2.3 snowfall days, and 29mm (1.14") of snow is accumulated.Sea temperature
In December, the average sea temperature in Arenzano is 15.3°C (59.5°F).Note: Swimming in 15.3°C (59.5°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).
Daylight
With an average of 8h and 54min of daylight, December has the shortest days of the year in Arenzano.On the first day of the month, sunrise is at 07:41 and sunset at 16:47. On the last day of December, in Arenzano, sunrise is at 08:01 and sunset at 16:55 CET.
Sunshine
In Arenzano, the average sunshine in December is 5.4h.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 value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: In December, the UV index of 2 transforms into the following advice:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Frequently asked questions
What is the usual temperature for Arenzano in December?
What is the average humidity in December in Arenzano?
How much does it rain in Arenzano in December?
How many days does it snow in December in Arenzano?
How cold is the water in December in Arenzano?
What is the month with the shortest days in Arenzano?
How many hours of daylight does Arenzano have in December?
When are sunrise and sunset in December in Arenzano?
How many hours of sunshine does Arenzano have in December?
When is the lowest UV index in Arenzano?
What is the UV index intensity in December in Arenzano?
Average temperature in December
Arenzano, Italy
- Average high temperature in December: 8.6°C
The warmest month (with the highest average high temperature) is August (26.8°C).
The month with the lowest average high temperature is January (7.3°C).
- Average low temperature in December: 3.6°C
The month with the highest average low temperature is August (17.8°C).
The coldest month (with the lowest average low temperature) is January (2.5°C).
Average pressure in December
Arenzano, Italy
- Average pressure in December: 1018.8mbar
The month with the highest atmospheric pressure is December (1018.8mbar).
The month with the lowest atmospheric pressure is May (1013.9mbar).
Average wind speed in December
Arenzano, Italy
- Average wind speed in December: 9.6km/h
The windiest month (with the highest average wind speed) is February (10.4km/h).
The calmest month (with the lowest average wind speed) is August (7.1km/h).
Average humidity in December
Arenzano, Italy
- Average humidity in December: 80%
The month with the highest relative humidity is November (84%).
The month with the lowest relative humidity is August (73%).
Average rainfall in December
Arenzano, Italy
- Average rainfall in December: 59mm
The wettest month (with the highest rainfall) is November (128mm).
The driest month (with the least rainfall) is September (25mm).
Average rainfall days in December
Arenzano, Italy
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is January (10.5 days).
Average snowfall in December
Arenzano, Italy
- Average snowfall in December: 3mm
The month with the highest snowfall is January (15mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Arenzano, Italy
- Average snowfall days in December: 0.3 days
The month with the highest number of snowfall days is January (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average sea temperature in December
Arenzano, Italy
- Average sea temperature in December: 15.3°C
The best month for swimming (with the highest average sea temperature) is August (24.3°C).
The coldest month (with the lowest average sea temperature) is February (13.2°C).
Average daylight in December /
Average sunshine in December
Arenzano, Italy
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 5h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is November (Average sunshine: 5h and 0min).
Average sunshine days in December
Arenzano, Italy
- Average sunshine days in December: 17 days
The month with the most sunshine days is January (18.3 days).
The month with the least sunshine days is May (12.4 days).
Average UV index in December
Arenzano, Italy
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Arenzano, Italy
- Average cloud cover in December: 40
The month with the most cloud cover is November (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in December
Arenzano, 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).
Arenzano, Italy
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