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 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
December
Weather in December
Temperature
A mild shift in the average high-temperature occurs in December, reducing from a comfortable 17.6°C (63.7°F) in November to a mild 13.4°C (56.1°F). Ostuni's December nights exhibit a subtle drop in temperature, averaging at a frosty 8.9°C (48°F), closely aligned with the daytime highs.Humidity
In December, the average relative humidity in Ostuni, Italy, is 73%.Rainfall
In Ostuni, Italy, in December, during 12.7 rainfall days, 32mm (1.26") of precipitation is typically accumulated. Throughout the year, there are 135.6 rainfall days, and 441mm (17.36") of precipitation is accumulated.Snowfall
January, February and December are months with snowfall. December is the first month it typically snows in Ostuni. Throughout December, in the average 0.4 snowfall days, it receives 4mm (0.16") of snow. Throughout the year, there are 1.4 snowfall days, and 11mm (0.43") of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.On the first day of December, sunrise is at 06:54 and sunset at 16:22. On the last day of the month, sunrise is at 07:13 and sunset at 16:32 CET.
Sunshine
In December, the average sunshine in Ostuni is 6.4h.UV index
The months with the lowest UV index in Ostuni are January and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: In December, the average maximum UV index of 3 translates into the following recommendations:
Undertake protective steps - Preventing sun damage is advised. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Ostuni in December?
What is the average humidity in December in Ostuni?
How many days does it rain in December in Ostuni?
When does it start to snow in Ostuni?
What is the month with the shortest days in Ostuni?
What is the average length of the day in December in Ostuni?
When is the sunrise / sunset in December in Ostuni?
How long on average sun shines in December in Ostuni?
What is the month with the lowest UV index in Ostuni?
What is the UV index intensity in December in Ostuni?
Average temperature in December
Ostuni, Italy
- Average high temperature in December: 13.4°C
The warmest month (with the highest average high temperature) is August (30.6°C).
The month with the lowest average high temperature is January (11.9°C).
- Average low temperature in December: 8.9°C
The month with the highest average low temperature is August (23.6°C).
The coldest month (with the lowest average low temperature) is January (7.8°C).
Average pressure in December
Ostuni, Italy
- Average pressure in December: 1017.7mbar
The month with the highest atmospheric pressure is December (1017.7mbar).
The month with the lowest atmospheric pressure is July (1012.5mbar).
Average wind speed in December
Ostuni, Italy
- Average wind speed in December: 18.4km/h
The windiest month (with the highest average wind speed) is February (20.5km/h).
The calmest months (with the lowest average wind speed) are July and August (13.1km/h).
Average humidity in December
Ostuni, Italy
- Average humidity in December: 73%
The month with the highest relative humidity is November (76%).
The month with the lowest relative humidity is July (56%).
Average rainfall in December
Ostuni, Italy
- Average rainfall in December: 32mm
The wettest month (with the highest rainfall) is November (59mm).
The driest month (with the least rainfall) is August (9mm).
Average rainfall days in December
Ostuni, Italy
- Average rainfall days in December: 12.7 days
The month with the highest number of rainy days is March (14.4 days).
The month with the least rainy days is August (5 days).
Average snowfall in December
Ostuni, Italy
- Average snowfall in December: 4mm
The month with the highest snowfall is January (5mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Ostuni, Italy
- Average snowfall days in December: 0.4 days
The month with the highest number of snowfall days is January (0.5 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Ostuni, Italy
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 6h and 2min
The months with the most sunshine are July and August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 6h and 0min).
Average sunshine days in December
Ostuni, Italy
- Average sunshine days in December: 16.4 days
The months with the most sunshine days are July and August (23.1 days).
The month with the least sunshine days is February (12.4 days).
Average UV index in December
Ostuni, Italy
- Average UV index in December: 3
The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in December
Ostuni, Italy
- Average cloud cover in December: 30
The month with the most cloud cover is January (Cloud cover 37).
The month with the least cloud cover is August (Cloud cover 8).
Average visibility in December
Ostuni, 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).
