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
Chiasso experiences a moderate temperature shift at the start of December, with average high-temperatures adjusting a bit from a chilly 9.4°C (48.9°F) in November to a cold 5.5°C (41.9°F). An average low-temperature of -0.8°C (30.6°F) is common during the nights of December.Humidity
The average relative humidity in December in Chiasso is 73%.Rainfall
In Chiasso, in December, during 6.1 rainfall days, 57mm (2.24") of precipitation is typically accumulated. Throughout the year, there are 172.9 rainfall days, and 1265mm (49.8") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In December, in Chiasso, it is snowing for 8.8 days. Throughout December, 255mm (10.04") of snow is accumulated. In Chiasso, during the entire year, snow falls for 44 days and aggregates up to 1306mm (51.42") of snow.Daylight
December has the shortest days of the year, with an average of 8h and 42min of daylight.On the first day of the month, sunrise is at 07:45 and sunset at 16:40. On the last day of December, sunrise is at 08:05 and sunset at 16:49 CET.
Sunshine
In Chiasso, Switzerland, the average sunshine in December is 6.4h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Chiasso. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The daily maximum UV index of 2 in December interprets into the following advice:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Chiasso in December?
What is the average humidity in December in Chiasso?
How many days does it rain in December in Chiasso?
How much does it snow in Chiasso in December?
What is the month with the shortest days in Chiasso?
What is the average length of the day in December in Chiasso?
What time are sunrise and sunset in December in Chiasso?
How long on average sun shines in December in Chiasso?
What are the months with the lowest UV index in Chiasso?
How high is the UV index in December in Chiasso?
Average temperature in December
Chiasso, Switzerland
- Average high temperature in December: 5.5°C
The warmest month (with the highest average high temperature) is July (25.6°C).
The month with the lowest average high temperature is January (4.7°C).
- Average low temperature in December: -0.8°C
The month with the highest average low temperature is August (14.6°C).
The coldest month (with the lowest average low temperature) is January (-1.3°C).
Average pressure in December
Chiasso, Switzerland
- Average pressure in December: 1020.3mbar
The month with the highest atmospheric pressure is December (1020.3mbar).
The month with the lowest atmospheric pressure is April (1014.9mbar).
Average wind speed in December
Chiasso, Switzerland
- Average wind speed in December: 6.2km/h
The windiest month (with the highest average wind speed) is March (6.9km/h).
The calmest month (with the lowest average wind speed) is November (5.6km/h).
Average humidity in December
Chiasso, Switzerland
- Average humidity in December: 73%
The month with the highest relative humidity is November (79%).
The month with the lowest relative humidity is July (70%).
Average rainfall in December
Chiasso, Switzerland
- Average rainfall in December: 57mm
The wettest month (with the highest rainfall) is November (181mm).
The driest month (with the least rainfall) is January (36mm).
Average rainfall days in December
Chiasso, Switzerland
- Average rainfall days in December: 6.1 days
The month with the highest number of rainy days is June (21.6 days).
The month with the least rainy days is January (5 days).
Average snowfall in December
Chiasso, Switzerland
- Average snowfall in December: 255mm
The month with the highest snowfall is February (402mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Chiasso, Switzerland
- Average snowfall days in December: 8.8 days
The month with the highest number of snowfall days is February (11.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Chiasso, Switzerland
- Average daylight in December: 8h and 4min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in December: 6h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is November (Average sunshine: 5h and 18min).
Average sunshine days in December
Chiasso, Switzerland
- Average sunshine days in December: 19.1 days
The month with the most sunshine days is January (19.3 days).
The month with the least sunshine days is June (4.4 days).
Average UV index in December
Chiasso, Switzerland
- Average UV index in December: 2
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Chiasso, Switzerland
- Average cloud cover in December: 30
The month with the most cloud cover is November (Cloud cover 43).
The month with the least cloud cover is July (Cloud cover 23).
Average visibility in December
Chiasso, Switzerland
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
