Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
January
Weather in January
Temperature
January is the month when Cossonay experiences its coldest temperatures, averaging a high of 3.3°C (37.9°F) and a low of -2.2°C (28°F).Humidity
With an average relative humidity of 82%, January is the most humid month.Rainfall
In Cossonay, during January, the rain falls for 14.3 days and regularly aggregates up to 66mm (2.6") of precipitation. In Cossonay, during the entire year, the rain falls for 185.5 days and collects up to 834mm (32.83") of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Cossonay, in January, during 10.3 snowfall days, 140mm (5.51") of snow is typically accumulated. Throughout the year, in Cossonay, Switzerland, there are 40.1 snowfall days, and 721mm (28.39") of snow is accumulated.Daylight
The average length of the day in January is 9h and 4min.On the first day of the month, sunrise is at 08:18 and sunset at 16:56. On the last day of January, in Cossonay, sunrise is at 07:59 and sunset at 17:35 CET.
Sunshine
In January, the average sunshine 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 in Cossonay. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 2 in January converts into the following recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest in Cossonay?
How cold does it get in Cossonay in January?
What is the most humid month in Cossonay?
What is the average humidity in January in Cossonay?
How much does it rain in Cossonay in January?
How much does it snow in Cossonay in January?
What is the average length of the day in January in Cossonay?
When is the sunrise / sunset in January in Cossonay?
How many hours of sunshine does Cossonay have in January?
When is the lowest UV index in Cossonay?
How high is the UV index in January in Cossonay?
Average temperature in January
Cossonay, Switzerland
- Average high temperature in January: 3.3°C
The warmest month (with the highest average high temperature) is July (22.2°C).
The month with the lowest average high temperature is January (3.3°C).
- Average low temperature in January: -2.2°C
The month with the highest average low temperature is July (12.6°C).
The coldest months (with the lowest average low temperature) are January and February (-2.2°C).
Average pressure in January
Cossonay, Switzerland
- Average pressure in January: 1019.6mbar
The month with the highest atmospheric pressure is December (1021.1mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).
Average wind speed in January
Cossonay, Switzerland
- Average wind speed in January: 11.6km/h
The windiest month (with the highest average wind speed) is February (12.1km/h).
The calmest month (with the lowest average wind speed) is August (7km/h).
Average humidity in January
Cossonay, Switzerland
- Average humidity in January: 82%
The month with the highest relative humidity is January (82%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in January
Cossonay, Switzerland
- Average rainfall in January: 66mm
The wettest month (with the highest rainfall) is December (103mm).
The driest month (with the least rainfall) is September (38mm).
Average rainfall days in January
Cossonay, Switzerland
- Average rainfall days in January: 14.3 days
The month with the highest number of rainy days is May (20 days).
The month with the least rainy days is February (11.8 days).
Average snowfall in January
Cossonay, Switzerland
- Average snowfall in January: 140mm
The month with the highest snowfall is December (184mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in January
Cossonay, Switzerland
- Average snowfall days in January: 10.3 days
The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Cossonay, Switzerland
- Average daylight in January: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in January: 5h and 5min
The months with the most sunshine are July and August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in January
Cossonay, Switzerland
- Average sunshine days in January: 12.4 days
The month with the most sunshine days is October (16 days).
The month with the least sunshine days is June (6.7 days).
Average UV index in January
Cossonay, Switzerland
- Average UV index in January: 2
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Cossonay, Switzerland
- Average cloud cover in January: 41
The month with the most cloud cover is January (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in January
Cossonay, Switzerland
- Average visibility in January: 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).
