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
Weather in January
Temperature
The coldest time of the year is January, with temperatures averaging a high of 6°C (42.8°F) and a low of 1.8°C (35.2°F).Humidity
January and December, with an average relative humidity of 85%, are the most humid months.Rainfall
In Boissy-Saint-Léger, in January, during 14.7 rainfall days, 31mm (1.22") of precipitation is typically accumulated. In Boissy-Saint-Léger, during the entire year, the rain falls for 172.7 days and collects up to 467mm (18.39") of precipitation.Snowfall
January through March, November and December are months with snowfall. January is the month with the most snowfall in Boissy-Saint-Léger, France. Snow falls for 2.5 days and accumulates 29mm (1.14") of snow.Daylight
In January, the average length of the day is 8h and 49min.On the first day of the month, sunrise is at 08:42 and sunset at 17:03. On the last day of January, sunrise is at 08:21 and sunset at 17:45 CET.
Sunshine
The month with the least sunshine in Boissy-Saint-Léger is January, with an average of 3.9h of sunshine.UV index
The months with the lowest UV index in Boissy-Saint-Léger, France, are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: A maximum daily UV index of 2 during January morphs into the following directions:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year in Boissy-Saint-Léger?
How cold is it in Boissy-Saint-Léger in January?
What is the most humid month in Boissy-Saint-Léger?
What is the average humidity in January in Boissy-Saint-Léger?
How much does it rain in Boissy-Saint-Léger in January?
When does it snow the most in Boissy-Saint-Léger?
How many days does it snow in January in Boissy-Saint-Léger?
How many hours of daylight does Boissy-Saint-Léger have in January?
What time are sunrise and sunset in January in Boissy-Saint-Léger?
What is the month with the least sunshine in Boissy-Saint-Léger?
How long on average sun shines in January in Boissy-Saint-Léger?
What is the month with the lowest UV index in Boissy-Saint-Léger?
How high is the UV index in January in Boissy-Saint-Léger?
Average temperature in January
Boissy-Saint-Léger, France
- Average high temperature in January: 6°C
The warmest month (with the highest average high temperature) is August (24.8°C).
The month with the lowest average high temperature is January (6°C).
- Average low temperature in January: 1.8°C
The month with the highest average low temperature is August (15.1°C).
The coldest month (with the lowest average low temperature) is January (1.8°C).
Average pressure in January
Boissy-Saint-Léger, France
- Average pressure in January: 1017.7mbar
The month with the highest atmospheric pressure is December (1018.4mbar).
The month with the lowest atmospheric pressure is November (1013.5mbar).
Average wind speed in January
Boissy-Saint-Léger, France
- Average wind speed in January: 14.4km/h
The windiest month (with the highest average wind speed) is February (15.4km/h).
The calmest month (with the lowest average wind speed) is August (10km/h).
Average humidity in January
Boissy-Saint-Léger, France
- Average humidity in January: 85%
The months with the highest relative humidity are January and December (85%).
The month with the lowest relative humidity is August (68%).
Average rainfall in January
Boissy-Saint-Léger, France
- Average rainfall in January: 31mm
The wettest month (with the highest rainfall) is June (52mm).
The driest month (with the least rainfall) is September (21mm).
Average rainfall days in January
Boissy-Saint-Léger, France
- Average rainfall days in January: 14.7 days
The month with the highest number of rainy days is June (17.3 days).
The month with the least rainy days is September (10.7 days).
Average snowfall in January
Boissy-Saint-Léger, France
- Average snowfall in January: 29mm
The month with the highest snowfall is January (29mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in January
Boissy-Saint-Léger, France
- Average snowfall days in January: 2.5 days
The month with the highest number of snowfall days is February (2.8 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
Boissy-Saint-Léger, France
- Average daylight in January: 8h and 5min
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 5min
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
Boissy-Saint-Léger, France
- Average sunshine days in January: 12.8 days
The month with the most sunshine days is September (17.2 days).
The month with the least sunshine days is June (10.9 days).
Average UV index in January
Boissy-Saint-Léger, 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
Boissy-Saint-Léger, France
- Average cloud cover in January: 60
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is September (Cloud cover 37).
Average visibility in January
Boissy-Saint-Léger, 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).
Boissy-Saint-Léger, France
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