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
The advent of December brings a subtle shift in temperature, with the average high moving from a comfortable 16.8°C (62.2°F) in November to a fresh 12.8°C (55°F). December introduces a small decrease to a nighttime average of 8°C (46.4°F) in Sieti.Humidity
In Sieti, the average relative humidity in December is 73%.Rainfall
In Sieti, Italy, in December, during 13.3 rainfall days, 61mm (2.4") of precipitation is typically accumulated. Throughout the year, there are 148 rainfall days, and 605mm (23.82") of precipitation is accumulated.Snowfall
In Sieti, snow does not fall in March through December.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 07:05 and sunset at 16:33. On the last day of December, sunrise is at 07:24 and sunset at 16:42 CET.
Sunshine
The average sunshine in December is 6.2h.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: During December, 3 as the daily maximum UV index converts into the following advice:
Take necessary precautions - Protection from skin and eye injury is mandatory. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Sieti in December?
What is the average humidity in December in Sieti?
How much does it rain in Sieti in December?
When it does not snow in Sieti?
Does it snow in Sieti in December?
What is the month with the shortest days in Sieti?
How many hours of daylight does Sieti have in December?
When are sunrise and sunset in December in Sieti?
How long on average sun shines in December in Sieti?
What are the months with the lowest UV index in Sieti?
How high is the UV index in December in Sieti?
Average temperature in December
Sieti, Italy
- Average high temperature in December: 12.8°C
The warmest month (with the highest average high temperature) is August (29.4°C).
The month with the lowest average high temperature is January (11.3°C).
- Average low temperature in December: 8°C
The month with the highest average low temperature is August (21.2°C).
The coldest month (with the lowest average low temperature) is January (6.7°C).
Average pressure in December
Sieti, Italy
- Average pressure in December: 1018.4mbar
The month with the highest atmospheric pressure is December (1018.4mbar).
The month with the lowest atmospheric pressure is July (1013.9mbar).
Average wind speed in December
Sieti, Italy
- Average wind speed in December: 12.2km/h
The windiest month (with the highest average wind speed) is February (13.3km/h).
The calmest month (with the lowest average wind speed) is August (7.7km/h).
Average humidity in December
Sieti, Italy
- Average humidity in December: 73%
The months with the highest relative humidity are January, February and November (75%).
The month with the lowest relative humidity is August (62%).
Average rainfall in December
Sieti, Italy
- Average rainfall in December: 61mm
The wettest month (with the highest rainfall) is November (120mm).
The driest month (with the least rainfall) is August (9mm).
Average rainfall days in December
Sieti, Italy
- Average rainfall days in December: 13.3 days
The month with the highest number of rainy days is November (15.5 days).
The month with the least rainy days is August (4.8 days).
Average snowfall in December
Sieti, Italy
- Average snowfall in December: 0mm
The month with the highest snowfall is February (5mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in December
Sieti, Italy
- Average snowfall days in December: 0.3 days
The month with the highest number of snowfall days is February (0.6 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Sieti, 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 1min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 42min).
Average sunshine days in December
Sieti, Italy
- Average sunshine days in December: 15.5 days
The month with the most sunshine days is August (23.3 days).
The month with the least sunshine days is February (11.4 days).
Average UV index in December
Sieti, 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
Sieti, Italy
- Average cloud cover in December: 32
The month with the most cloud cover is January (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 9).
Average visibility in December
Sieti, 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).
