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
Portovenere experiences a moderate temperature shift at the start of December, with average high-temperatures adjusting a bit from a refreshing 13.8°C (56.8°F) in November to a fresh 10.6°C (51.1°F). Portovenere's December nights witness minimal differential from the daytime temperatures, with averages of 7.1°C (44.8°F).Humidity
In December, the average relative humidity is 75%.Rainfall
In Portovenere, during December, the rain falls for 14.2 days and regularly aggregates up to 79mm (3.11") of precipitation. Throughout the year, there are 179.2 rainfall days, and 834mm (32.83") of precipitation is accumulated.Snowfall
Months with snowfall are January through March and December. December is the month with the most snowfall. Snow falls for 0.3 days and accumulates 5mm (0.2") of snow.Sea temperature
In Portovenere, the average seawater temperature in December is 15.4°C (59.7°F).Note: For most individuals, swimming in 15.4°C (59.7°F) is not a pleasant experience. The difficulty in managing breathing increases as the temperature decreases from 21°C (69.8°F) to 15°C (59°F).
Daylight
December has the shortest days of the year in Portovenere, with an average of 9h and 0min of daylight.On the first day of the month, sunrise is at 07:35 and sunset at 16:43. On the last day of December, in Portovenere, Italy, sunrise is at 07:55 and sunset at 16:52 CET.
Sunshine
The months with the least sunshine are January and December, with an average of 5.7h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: A daily high UV index of 3 in December leads to these guidelines:
Exercise prevention - Protecting skin and eyes from harm is required. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Frequently asked questions
What is the temperature in December in Portovenere?
What is the average humidity in December in Portovenere?
How many days does it rain in December in Portovenere?
What is the snowiest month in Portovenere?
When does it start snowing in Portovenere?
What is the sea water temperature in December in Portovenere?
What is the month with the shortest days in Portovenere?
How many hours of daylight does Portovenere have in December?
When are sunrise and sunset in December in Portovenere?
What are the months with the least sunshine in Portovenere?
How long on average sun shines in December in Portovenere?
What are the months with the lowest UV index in Portovenere?
What is the UV index reading in December in Portovenere?
Average temperature in December
Portovenere, Italy
- Average high temperature in December: 10.6°C
The warmest month (with the highest average high temperature) is August (26.3°C).
The month with the lowest average high temperature is January (9°C).
- Average low temperature in December: 7.1°C
The month with the highest average low temperature is August (19.8°C).
The coldest month (with the lowest average low temperature) is January (5.3°C).
Average pressure in December
Portovenere, Italy
- Average pressure in December: 1018.5mbar
The month with the highest atmospheric pressure is December (1018.5mbar).
The month with the lowest atmospheric pressure is July (1013.7mbar).
Average wind speed in December
Portovenere, Italy
- Average wind speed in December: 10.5km/h
The windiest month (with the highest average wind speed) is February (11.6km/h).
The calmest months (with the lowest average wind speed) are July and August (7.8km/h).
Average humidity in December
Portovenere, Italy
- Average humidity in December: 75%
The month with the highest relative humidity is November (77%).
The month with the lowest relative humidity is August (69%).
Average rainfall in December
Portovenere, Italy
- Average rainfall in December: 79mm
The wettest month (with the highest rainfall) is November (131mm).
The driest month (with the least rainfall) is July (43mm).
Average rainfall days in December
Portovenere, Italy
- Average rainfall days in December: 14.2 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is August (11.9 days).
Average snowfall in December
Portovenere, Italy
- Average snowfall in December: 5mm
The month with the highest snowfall is December (5mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Portovenere, Italy
- Average snowfall days in December: 0.3 days
The month with the highest number of snowfall days is February (0.7 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average sea temperature in December
Portovenere, Italy
- Average sea temperature in December: 15.4°C
The best month for swimming (with the highest average sea temperature) is August (24.4°C).
The coldest month (with the lowest average sea temperature) is February (12.9°C).
Average daylight in December /
Average sunshine in December
Portovenere, Italy
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 5h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 42min).
Average sunshine days in December
Portovenere, Italy
- Average sunshine days in December: 13.5 days
The month with the most sunshine days is January (14.3 days).
The month with the least sunshine days is May (8.4 days).
Average UV index in December
Portovenere, Italy
- Average UV index in December: 3
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 3).
Average cloud cover in December
Portovenere, Italy
- Average cloud cover in December: 38
The month with the most cloud cover is February (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility in December
Portovenere, Italy
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (10km).
The month with the lowest visibility is November (9km).
Portovenere, Italy
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