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
January
Weather in January
Temperature
January is the coldest month, exhibiting average temperatures of 8.9°C (48°F) at the peak and 3.4°C (38.1°F) at the base.Humidity
With an average relative humidity of 85%, January is the most humid month.Rainfall
In January, the rain falls for 16 days. Throughout January, 48mm (1.89") of precipitation is accumulated. In Grayssas, France, during the entire year, the rain falls for 168.6 days and collects up to 505mm (19.88") of precipitation.Snowfall
January through March and December are months with snowfall in Grayssas. The month with the most snowfall in Grayssas is January, when snow falls for 0.5 days and typically aggregates up to 10mm (0.39") of snow.Daylight
The average length of the day in January in Grayssas, France, is 9h and 19min.On the first day of the month, sunrise is at 08:31 and sunset at 17:28. On the last day of January, sunrise is at 08:15 and sunset at 18:04 CET.
Sunshine
With an average of 5h of sunshine, January has the least sunshine of the year.UV index
The months with the lowest UV index in Grayssas are January, February and November, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 2 during January leads to these instructions:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. To protect against the Sun's most potent rays, avoid direct exposure around midday. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month in Grayssas?
What is the usual temperature for Grayssas in January?
What is the most humid month in Grayssas?
What is the average humidity in January in Grayssas?
How many days does it rain in January in Grayssas?
When does it snow the most in Grayssas?
How much does it snow in Grayssas in January?
What is the average length of the day in January in Grayssas?
What time are sunrise and sunset in January in Grayssas?
What is the month with the least sunshine in Grayssas?
How long on average sun shines in January in Grayssas?
What are the months with the lowest UV index in Grayssas?
What is the UV index reading in January in Grayssas?
Average temperature in January
Grayssas, France
- Average high temperature in January: 8.9°C
The warmest month (with the highest average high temperature) is August (28.3°C).
The month with the lowest average high temperature is January (8.9°C).
- Average low temperature in January: 3.4°C
The month with the highest average low temperature is August (16.1°C).
The coldest month (with the lowest average low temperature) is February (2.8°C).
Average pressure in January
Grayssas, France
- Average pressure in January: 1020.1mbar
The month with the highest atmospheric pressure is December (1021.6mbar).
The months with the lowest atmospheric pressure are April and November (1015.6mbar).
Average wind speed in January
Grayssas, France
- Average wind speed in January: 11.1km/h
The windiest month (with the highest average wind speed) is March (11.9km/h).
The calmest months (with the lowest average wind speed) are August and September (8.5km/h).
Average humidity in January
Grayssas, France
- Average humidity in January: 85%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (66%).
Average rainfall in January
Grayssas, France
- Average rainfall in January: 48mm
The wettest months (with the highest rainfall) are May and November (59mm).
The driest month (with the least rainfall) is September (20mm).
Average rainfall days in January
Grayssas, France
- Average rainfall days in January: 16 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is September (10 days).
Average snowfall in January
Grayssas, France
- Average snowfall in January: 10mm
The month with the highest snowfall is January (10mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in January
Grayssas, France
- Average snowfall days in January: 0.5 days
The month with the highest number of snowfall days is February (1.3 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
Grayssas, France
- Average daylight in January: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in January: 5h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days in January
Grayssas, France
- Average sunshine days in January: 12.7 days
The month with the most sunshine days is September (17.5 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in January
Grayssas, France
- Average UV index in January: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February and November (UV index 2).
Average cloud cover in January
Grayssas, France
- Average cloud cover in January: 52
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in January
Grayssas, France
- Average visibility in January: 8km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (9km).
The month with the lowest visibility is January (8km).
