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
Sperlonga in December experiences a gentle temperature dip, with average high-temperatures reducing from a comfortable 16.5°C (61.7°F) in November to a cool 12.9°C (55.2°F). Nighttime temperatures in Sperlonga record an average of 8.4°C (47.1°F) throughout December.Humidity
In December, the average relative humidity is 73%.Rainfall
In Sperlonga, in December, it is raining for 13.1 days, with typically 55mm (2.17") of accumulated precipitation. In Sperlonga, during the entire year, the rain falls for 135.6 days and collects up to 569mm (22.4") of precipitation.Snowfall
March through December are months without snowfall.Sea temperature
In Sperlonga, the average seawater temperature in December is 16.3°C (61.3°F).Note: In 16.3°C (61.3°F), swimming is not an enjoyable activity for most. As the temperature decreases from 21°C (69.8°F) to 15°C (59°F), it becomes harder to control breathing.
Daylight
December has the shortest days of the year in Sperlonga, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 07:12 and sunset at 16:38. On the last day of December, sunrise is at 07:31 and sunset at 16:47 CET.
Sunshine
The average sunshine in December in Sperlonga, Italy, is 6.2h.UV index
The months with the lowest UV index in Sperlonga are January, February and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: In December, the maximum UV index of 3 suggests this advice:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Frequently asked questions
What is the temperature in December in Sperlonga?
What is the average humidity in December in Sperlonga?
How much does it rain in Sperlonga in December?
When it does not snow in Sperlonga?
Does it snow in Sperlonga in December?
What is the sea temperature in December in Sperlonga?
What is the month with the shortest days in Sperlonga?
How many hours of daylight does Sperlonga have in December?
When are sunrise and sunset in December in Sperlonga?
How many hours of sunshine does Sperlonga have in December?
What is the month with the lowest UV index in Sperlonga?
What is the UV index intensity in December in Sperlonga?
Average temperature in December
Sperlonga, Italy
- Average high temperature in December: 12.9°C
The warmest month (with the highest average high temperature) is August (28.7°C).
The month with the lowest average high temperature is January (11.6°C).
- Average low temperature in December: 8.4°C
The month with the highest average low temperature is August (21.6°C).
The coldest month (with the lowest average low temperature) is February (7°C).
Average pressure in December
Sperlonga, 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 April (1014.1mbar).
Average wind speed in December
Sperlonga, Italy
- Average wind speed in December: 12.2km/h
The windiest month (with the highest average wind speed) is February (13km/h).
The calmest month (with the lowest average wind speed) is August (9.4km/h).
Average humidity in December
Sperlonga, Italy
- Average humidity in December: 73%
The months with the highest relative humidity are January and November (75%).
The month with the lowest relative humidity is August (63%).
Average rainfall in December
Sperlonga, Italy
- Average rainfall in December: 55mm
The wettest month (with the highest rainfall) is November (120mm).
The driest month (with the least rainfall) is August (10mm).
Average rainfall days in December
Sperlonga, Italy
- Average rainfall days in December: 13.1 days
The months with the highest number of rainy days are January and November (15 days).
The month with the least rainy days is August (4.2 days).
Average snowfall days in December
Sperlonga, 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 March, April, May, June, July, August, September, October, November and December (0 days).
Average sea temperature in December
Sperlonga, Italy
- Average sea temperature in December: 16.3°C
The best month for swimming (with the highest average sea temperature) is August (25.4°C).
The coldest month (with the lowest average sea temperature) is February (13.9°C).
Average daylight in December /
Average sunshine in December
Sperlonga, Italy
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- 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 48min).
Average sunshine days in December
Sperlonga, Italy
- Average sunshine days in December: 15.5 days
The month with the most sunshine days is August (24.2 days).
The month with the least sunshine days is February (12.3 days).
Average UV index in December
Sperlonga, 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 and December (UV index 3).
Average cloud cover in December
Sperlonga, Italy
- Average cloud cover in December: 31
The month with the most cloud cover is January (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 9).
Average visibility in December
Sperlonga, 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).
Sperlonga, Italy
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