January weather forecastViroflay, France
January
Weather in January
January, like December, in Viroflay, France, is a wintry winter month, with an average temperature ranging between min 1.8°C (35.2°F) and max 5.9°C (42.6°F).Temperature
January stands out as Viroflay's coldest month, with temperatures ranging between an average high of 5.9°C (42.6°F) and a low of 1.8°C (35.2°F).Humidity
The months with the highest humidity are January and December, with an average relative humidity of 86%.Rainfall
In Viroflay, during January, the rain falls for 10.8 days and regularly aggregates up to 19mm (0.75") of precipitation. In Viroflay, during the entire year, the rain falls for 154.9 days and collects up to 384mm (15.12") of precipitation.Snowfall
Months with snowfall in Viroflay are January through March, November and December. January is the month with the most snowfall. Snow falls for 1.3 days and accumulates 13mm (0.51") of snow.Daylight
In Viroflay, the average length of the day in January is 8h and 48min.On the first day of January, sunrise is at 08:44 and sunset at 17:04. On the last day of the month, sunrise is at 08:22 and sunset at 17:46 CET.
Sunshine
With an average of 3.9h of sunshine, January has the least sunshine of the year.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Viroflay. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: An average UV index of 2 in January transforms into this advice:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Viroflay, France
- Average high temperature in January: 5.9°C
The warmest month (with the highest average high temperature) is August (24.6°C).
The month with the lowest average high temperature is January (5.9°C).
- Average low temperature in January: 1.8°C
The month with the highest average low temperature is August (14.9°C).
The coldest month (with the lowest average low temperature) is January (1.8°C).
Average pressure in January
Viroflay, France
- Average pressure in January: 1017.6mbar
The month with the highest atmospheric pressure is December (1018.3mbar).
The month with the lowest atmospheric pressure is November (1013.4mbar).
Average wind speed in January
Viroflay, France
- Average wind speed in January: 14.5km/h
The windiest month (with the highest average wind speed) is February (15.5km/h).
The calmest month (with the lowest average wind speed) is August (10.1km/h).
Average humidity in January
Viroflay, France
- Average humidity in January: 86%
The months with the highest relative humidity are January and December (86%).
The month with the lowest relative humidity is August (68%).
Average rainfall in January
Viroflay, France
- Average rainfall in January: 19mm
The wettest month (with the highest rainfall) is June (46mm).
The driest month (with the least rainfall) is September (18mm).
Average rainfall days in January
Viroflay, France
- Average rainfall days in January: 10.8 days
The month with the highest number of rainy days is June (16.3 days).
The month with the least rainy days is September (9.6 days).
Average snowfall in January
Viroflay, France
- Average snowfall in January: 13mm
The month with the highest snowfall is January (13mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in January
Viroflay, France
- Average snowfall days in January: 1.3 days
The months with the highest number of snowfall days are January and February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Viroflay, France
- Average daylight in January: 8h and 48min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in January: 3h and 54min
The month with the most sunshine is August (Average sunshine: 9h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in January
Viroflay, France
- Average sunshine days in January: 17.5 days
The months with the most sunshine days are March and September (18.5 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in January
Viroflay, France
- Average UV index in January: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Viroflay, France
- Average cloud cover in January: 59
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 37).
Average visibility in January
Viroflay, France
- 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).





