Weather in December
Temperature
The beginning of December subtly marks a decrease in the average high-temperature, transitioning from a moderate 13°C (55.4°F) in November to a fresh 10°C (50°F). In December, Riomaggiore experiences a temperature dip to an average of 4°C (39.2°F) at night.Rainfall
In Riomaggiore, in December, during 12 rainfall days, 88mm (3.46") of precipitation is typically accumulated. Throughout the year, in Riomaggiore, there are 131 rainfall days, and 932mm (36.69") of precipitation is accumulated.Sea temperature
In December, the average sea temperature is 15.4°C (59.7°F).Note: Most people find swimming in 15.4°C (59.7°F) unenjoyable. As the water temperature falls from 21°C (69.8°F) to 15°C (59°F), controlling one's breathing becomes harder.
Daylight
The month with the shortest days is December, with an average of 8h and 54min of daylight.On the first day of the month, sunrise is at 07:36 and sunset at 16:44. On the last day of December, sunrise is at 07:55 and sunset at 16:52 CET.
Sunshine
With an average of 3h of sunshine, December has the least sunshine of the year.UV index
The months with the lowest UV index in Riomaggiore, Italy, are January and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: A daily maximum UV index of 1 in December translates into the following instructions:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Frequently asked questions
What is the usual temperature for Riomaggiore in December?
How many days does it rain in December in Riomaggiore?
How cold is the water in December in Riomaggiore?
What is the month with the shortest days in Riomaggiore?
How many hours of daylight does Riomaggiore have in December?
When are sunrise and sunset in December in Riomaggiore?
What is the month with the least sunshine in Riomaggiore?
How long on average sun shines in December in Riomaggiore?
When is the lowest UV index in Riomaggiore?
What is the UV index intensity in December in Riomaggiore?
Average temperature in December
Riomaggiore, Italy
- Average high temperature in December: 10°C
The warmest months (with the highest average high temperature) are July and August (26°C).
The month with the lowest average high temperature is January (9°C).
- Average low temperature in December: 4°C
The months with the highest average low temperature are July and August (18°C).
The coldest month (with the lowest average low temperature) is January (3°C).
Average rainfall in December
Riomaggiore, Italy
- Average rainfall in December: 88mm
The wettest months (with the highest rainfall) are October and November (120mm).
The driest month (with the least rainfall) is July (25mm).
Average rainfall days in December
Riomaggiore, Italy
- Average rainfall days in December: 12 days
The months with the highest number of rainy days are March, April and November (13 days).
The month with the least rainy days is July (6 days).
Average sea temperature in December
Riomaggiore, 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
Riomaggiore, Italy
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 3h
The month with the most sunshine is July (Average sunshine: 10h).
The month with the least sunshine is December (Average sunshine: 3h).
Average UV index in December
Riomaggiore, Italy
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 8).
The months with the lowest UV index are January and December (UV index 1).
Riomaggiore, Italy
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