January weather forecastChartrettes, France
January
Weather in January
January, like December, in Chartrettes, France, is a wintry winter month, with an average temperature ranging between min 1.5°C (34.7°F) and max 5.8°C (42.4°F).Temperature
The lowest temperatures are recorded in January, with averages reaching a high of 5.8°C (42.4°F) and a low of 1.5°C (34.7°F).Humidity
In Chartrettes, the average relative humidity in January is 86%.Rainfall
In Chartrettes, during January, the rain falls for 17.1 days and regularly aggregates up to 41mm (1.61") of precipitation. Throughout the year, there are 194.1 rainfall days, and 555mm (21.85") of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall in Chartrettes. The month with the most snowfall in Chartrettes is January, when snow falls for 3.7 days and typically aggregates up to 33mm (1.3") of snow.Daylight
The average length of the day in January is 8h and 50min.On the first day of the month, sunrise is at 08:40 and sunset at 17:04. On the last day of January, sunrise is at 08:19 and sunset at 17:45 CET.
Sunshine
The month with the least sunshine is January, with an average of 3.8h 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 value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 2 during January leads to these advisories:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Chartrettes, France
- Average high temperature in January: 5.8°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 (5.8°C).
- Average low temperature in January: 1.5°C
The month with the highest average low temperature is August (14.8°C).
The coldest month (with the lowest average low temperature) is January (1.5°C).
Average pressure in January
Chartrettes, France
- Average pressure in January: 1017.8mbar
The month with the highest atmospheric pressure is December (1018.6mbar).
The month with the lowest atmospheric pressure is November (1013.7mbar).
Average wind speed in January
Chartrettes, France
- Average wind speed in January: 14.4km/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 (9.9km/h).
Average humidity in January
Chartrettes, France
- Average humidity in January: 86%
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is August (70%).
Average rainfall in January
Chartrettes, France
- Average rainfall in January: 41mm
The wettest month (with the highest rainfall) is June (64mm).
The driest month (with the least rainfall) is September (26mm).
Average rainfall days in January
Chartrettes, France
- Average rainfall days in January: 17.1 days
The months with the highest number of rainy days are May and June (18.7 days).
The month with the least rainy days is September (11.7 days).
Average snowfall in January
Chartrettes, France
- Average snowfall in January: 33mm
The month with the highest snowfall is January (33mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in January
Chartrettes, France
- Average snowfall days in January: 3.7 days
The month with the highest number of snowfall days is January (3.7 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
Chartrettes, 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 24min).
- Average sunshine in January: 3h and 48min
The month with the most sunshine is August (Average sunshine: 9h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in January
Chartrettes, France
- Average sunshine days in January: 9.7 days
The month with the most sunshine days is September (15.1 days).
The month with the least sunshine days is June (8.2 days).
Average UV index in January
Chartrettes, France
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Chartrettes, 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 36).
Average visibility in January
Chartrettes, France
- Average visibility in January: 8km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and December (9km).
The months with the lowest visibility are January and November (8km).
