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
January, noted for its average high-temperature of 6°C (42.8°F) and an average low-temperature of 1.8°C (35.2°F), is considered the coldest month.Humidity
January and December, with an average relative humidity of 86%, are the most humid months.Rainfall
In Mennecy, France, in January, it is raining for 13.3 days, with typically 20mm (0.79") of accumulated precipitation. Throughout the year, there are 153.5 rainfall days, and 330mm (12.99") of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall in Mennecy, France. In Mennecy, in January, during 2.4 snowfall days, 14mm (0.55") of snow is typically accumulated. In Mennecy, during the entire year, snow falls for 8.2 days and aggregates up to 51mm (2.01") of snow.Daylight
In Mennecy, the average length of the day in January is 8h and 50min.On the first day of January, sunrise is at 08:42 and sunset at 17:04. On the last day of the month, sunrise is at 08:21 and sunset at 17:45 CET.
Sunshine
January has the least sunshine of the year in Mennecy, with an average of 3.9h of sunshine.UV index
The months with the lowest UV index in Mennecy are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index, 2 in January, converts into the following recommendations:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Frequently asked questions
What time of the year is the coldest in Mennecy?
Is it cold in Mennecy during January?
What is the most humid month in Mennecy?
What is the average humidity in January in Mennecy?
How many days does it rain in January in Mennecy?
How many days does it snow in January in Mennecy?
How many hours of daylight does Mennecy have in January?
What time are sunrise and sunset in January in Mennecy?
What is the month with the least sunshine in Mennecy?
How many hours of sunshine does Mennecy have in January?
When is the lowest UV index in Mennecy?
What is the UV index intensity in January in Mennecy?
Average temperature in January
Mennecy, France
- Average high temperature in January: 6°C
The warmest month (with the highest average high temperature) is August (24.9°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°C).
The coldest months (with the lowest average low temperature) are January and February (1.8°C).
Average pressure in January
Mennecy, France
- Average pressure in January: 1017.8mbar
The month with the highest atmospheric pressure is December (1018.5mbar).
The month with the lowest atmospheric pressure is November (1013.6mbar).
Average wind speed in January
Mennecy, 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 (10km/h).
Average humidity in January
Mennecy, 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
Mennecy, France
- Average rainfall in January: 20mm
The wettest month (with the highest rainfall) is June (40mm).
The driest month (with the least rainfall) is September (16mm).
Average rainfall days in January
Mennecy, France
- Average rainfall days in January: 13.3 days
The month with the highest number of rainy days is June (15.2 days).
The month with the least rainy days is September (9.1 days).
Average snowfall in January
Mennecy, France
- Average snowfall in January: 14mm
The months with the highest snowfall are February and December (15mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in January
Mennecy, France
- Average snowfall days in January: 2.4 days
The month with the highest number of snowfall days is February (2.7 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
Mennecy, 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 24min).
- Average sunshine in January: 3h and 5min
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 54min).
Average sunshine days in January
Mennecy, France
- Average sunshine days in January: 13.6 days
The month with the most sunshine days is September (18.4 days).
The month with the least sunshine days is June (11 days).
Average UV index in January
Mennecy, 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
Mennecy, 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
Mennecy, 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).
Mennecy, France
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