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
Sartrouville reaches its lowest average temperatures in January, measuring 5.9°C (42.6°F) at the peak and 1.8°C (35.2°F) at the lowest.Humidity
January and December, with an average relative humidity of 86%, are the most humid months in Sartrouville, France.Rainfall
In January, in Sartrouville, the rain falls for 10.2 days. Throughout January, 9mm (0.35") of precipitation is accumulated. In Sartrouville, France, during the entire year, the rain falls for 122.6 days and collects up to 161mm (6.34") of precipitation.Snowfall
January through March, November and December are months with snowfall in Sartrouville. The month with the most snowfall is January, when snow falls for 1.4 days and typically aggregates up to 7mm (0.28") of snow.Daylight
In Sartrouville, the average length of the day in January is 8h and 47min.On the first day of January in Sartrouville, sunrise is at 08:45 and sunset at 17:04. On the last day of the month, sunrise is at 08:23 and sunset at 17:45 CET.
Sunshine
January has the least sunshine of the year, with an average of 3.9h of sunshine.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 estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The average daily UV index of 2 in January transforms into the following instructions:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. When the Sun is at its strongest around midday, find shade and limit exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest in Sartrouville?
How cold is January in Sartrouville?
What are the most humid months in Sartrouville?
What is the average humidity in January in Sartrouville?
How much does it rain in Sartrouville in January?
When does it snow the most in Sartrouville?
How many days does it snow in January in Sartrouville?
How many hours of daylight does Sartrouville have in January?
When is the sunrise / sunset in January in Sartrouville?
What is the month with the least sunshine in Sartrouville?
How long on average sun shines in January in Sartrouville?
What is the month with the lowest UV index in Sartrouville?
How high is the UV index in January in Sartrouville?
Average temperature in January
Sartrouville, France
- Average high temperature in January: 5.9°C
The warmest month (with the highest average high temperature) is August (24.5°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 (14.8°C).
The coldest months (with the lowest average low temperature) are January and February (1.8°C).
Average pressure in January
Sartrouville, France
- Average pressure in January: 1017.5mbar
The months with the highest atmospheric pressure are September and December (1018.1mbar).
The month with the lowest atmospheric pressure is November (1013.3mbar).
Average wind speed in January
Sartrouville, 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
Sartrouville, 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
Sartrouville, France
- Average rainfall in January: 9mm
The wettest month (with the highest rainfall) is December (18mm).
The driest month (with the least rainfall) is September (6mm).
Average rainfall days in January
Sartrouville, France
- Average rainfall days in January: 10.2 days
The month with the highest number of rainy days is July (12.5 days).
The month with the least rainy days is September (7.6 days).
Average snowfall in January
Sartrouville, France
- Average snowfall in January: 7mm
The month with the highest snowfall is January (7mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in January
Sartrouville, France
- Average snowfall days in January: 1.4 days
The month with the highest number of snowfall days is February (2.1 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
Sartrouville, 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 months with the most sunshine are July and August (Average sunshine: 9h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in January
Sartrouville, France
- Average sunshine days in January: 16.6 days
The month with the most sunshine days is September (19.6 days).
The months with the least sunshine days are February and July (14.3 days).
Average UV index in January
Sartrouville, 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
Sartrouville, 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 38).
Average visibility in January
Sartrouville, 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).
Sartrouville, France
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