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
In Roissy-en-France, January records the lowest average temperatures, peaking at 5.8°C (42.4°F) and reaching a low of 1.6°C (34.9°F).Humidity
The months with the highest humidity are January and December, with an average relative humidity of 86%.Rainfall
In Roissy-en-France, in January, it is raining for 15.8 days, with typically 36mm (1.42") of accumulated precipitation. Throughout the year, in Roissy-en-France, there are 155 rainfall days, and 440mm (17.32") of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. The month with the most snowfall in Roissy-en-France is January, when snow falls for 2.8 days and typically aggregates up to 38mm (1.5") of snow.Daylight
In January, the average length of the day is 8h and 47min.On the first day of January, sunrise is at 08:43 and sunset at 17:02. On the last day of the month, sunrise is at 08:22 and sunset at 17:44 CET.
Sunshine
With an average of 3.7h of sunshine, January has the least sunshine of the year in Roissy-en-France.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 reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 2 during January leads to these advisories:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Frequently asked questions
What time of the year is the coldest in Roissy-en-France?
How cold is it in Roissy-en-France in January?
What are the most humid months in Roissy-en-France?
What is the average humidity in January in Roissy-en-France?
How much does it rain in Roissy-en-France in January?
What is the snowiest month in Roissy-en-France?
How many days does it snow in January in Roissy-en-France?
What is the average length of the day in January in Roissy-en-France?
What time are sunrise and sunset in January in Roissy-en-France?
What is the month with the least sunshine in Roissy-en-France?
How long on average sun shines in January in Roissy-en-France?
What are the months with the lowest UV index in Roissy-en-France?
How high is the UV index in January in Roissy-en-France?
Average temperature in January
Roissy-en-France, France
- Average high temperature in January: 5.8°C
The warmest month (with the highest average high temperature) is August (24.3°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in January: 1.6°C
The month with the highest average low temperature is August (14.6°C).
The coldest month (with the lowest average low temperature) is January (1.6°C).
Average pressure in January
Roissy-en-France, France
- Average pressure in January: 1017.5mbar
The month with the highest atmospheric pressure is December (1018.1mbar).
The month with the lowest atmospheric pressure is November (1013.3mbar).
Average wind speed in January
Roissy-en-France, France
- Average wind speed in January: 14.6km/h
The windiest month (with the highest average wind speed) is February (15.6km/h).
The calmest month (with the lowest average wind speed) is August (10.1km/h).
Average humidity in January
Roissy-en-France, 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 (69%).
Average rainfall in January
Roissy-en-France, France
- Average rainfall in January: 36mm
The wettest month (with the highest rainfall) is December (57mm).
The driest month (with the least rainfall) is September (18mm).
Average rainfall days in January
Roissy-en-France, France
- Average rainfall days in January: 15.8 days
The month with the highest number of rainy days is December (16 days).
The month with the least rainy days is September (8.4 days).
Average snowfall in January
Roissy-en-France, France
- Average snowfall in January: 38mm
The month with the highest snowfall is January (38mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in January
Roissy-en-France, France
- Average snowfall days in January: 2.8 days
The month with the highest number of snowfall days is February (3.1 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
Roissy-en-France, 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 4min
The month with the most sunshine is August (Average sunshine: 9h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in January
Roissy-en-France, France
- Average sunshine days in January: 11.8 days
The month with the most sunshine days is September (20.1 days).
The month with the least sunshine days is February (10.5 days).
Average UV index in January
Roissy-en-France, 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
Roissy-en-France, France
- Average cloud cover in January: 62
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is September (Cloud cover 39).
Average visibility in January
Roissy-en-France, 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).
Roissy-en-France, France
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