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
December's onset brings a negligible change in high-temperatures, falling from a cool 11.8°C (53.2°F) in November to a frosty 7°C (44.6°F). Pioltello in December observes a slight diminution in temperature from daily highs, recording a low-temperature average of 2.1°C (35.8°F).Humidity
In Pioltello, the average relative humidity in December is 76%.Rainfall
In December, the rain falls for 9.5 days. Throughout December, 46mm (1.81") of precipitation is accumulated. In Pioltello, Italy, during the entire year, the rain falls for 172.2 days and collects up to 1011mm (39.8") of precipitation.Snowfall
Months with snowfall are January through March and December. December is the first month it typically snows. Throughout December, in the average 1.7 snowfall days, it receives 28mm (1.1") of snow. In Pioltello, during the entire year, snow falls for 4.9 days and aggregates up to 80mm (3.15") of snow.Daylight
With an average of 8h and 48min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 07:42 and sunset at 16:40. On the last day of the month, sunrise is at 08:02 and sunset at 16:49 CET.
Sunshine
In Pioltello, Italy, the average sunshine in December is 5.8h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the average person.Note: In December, the UV index of 2 transforms into the following advice:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How much does it rain in December?
When does it start snowing?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
How long on average sun shines in December?
What is the month with the lowest UV index in Pioltello?
What is the UV index reading in December?
Average temperature in December
Pioltello, Italy
- Average high temperature in December: 7°C
The warmest month (with the highest average high temperature) is July (29.2°C).
The month with the lowest average high temperature is January (6.4°C).
- Average low temperature in December: 2.1°C
The month with the highest average low temperature is August (18.8°C).
The coldest month (with the lowest average low temperature) is January (1.3°C).
Average pressure in December
Pioltello, Italy
- Average pressure in December: 1019.9mbar
The month with the highest atmospheric pressure is December (1019.9mbar).
The months with the lowest atmospheric pressure are April and May (1014.6mbar).
Average wind speed in December
Pioltello, Italy
- Average wind speed in December: 5.7km/h
The windiest month (with the highest average wind speed) is April (7.2km/h).
The calmest month (with the lowest average wind speed) is August (5.6km/h).
Average humidity in December
Pioltello, Italy
- Average humidity in December: 76%
The month with the highest relative humidity is November (81%).
The month with the lowest relative humidity is August (68%).
Average rainfall in December
Pioltello, Italy
- Average rainfall in December: 46mm
The wettest month (with the highest rainfall) is November (122mm).
The driest month (with the least rainfall) is January (35mm).
Average rainfall days in December
Pioltello, Italy
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is July (19.7 days).
The month with the least rainy days is January (8.7 days).
Average snowfall in December
Pioltello, Italy
- Average snowfall in December: 28mm
The month with the highest snowfall is February (29mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Pioltello, Italy
- Average snowfall days in December: 1.7 days
The month with the highest number of snowfall days is December (1.7 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
Pioltello, Italy
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in December: 5h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 36min).
The month with the least sunshine is November (Average sunshine: 4h and 54min).
Average sunshine days in December
Pioltello, Italy
- Average sunshine days in December: 19.4 days
The month with the most sunshine days is January (20.6 days).
The month with the least sunshine days is July (7.2 days).
Average UV index in December
Pioltello, Italy
- Average UV index in December: 2
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 2).
Average cloud cover in December
Pioltello, Italy
- Average cloud cover in December: 35
The month with the most cloud cover is November (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 20).
Average visibility in December
Pioltello, Italy
- Average visibility in December: 9km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February, March, April, May, July, August, September, October, November and December (9km).
