January weather forecastRoullens, France
January weather for Roullens, France: January, the same as December, in Roullens, France, is another chilly winter month, with temperature in the range of an average high of 8.1°C (46.6°F) and an average low of 2.3°C (36.1°F). January is the month when Roullens, France, sees the average lowest temperatures, with a high of 8.1°C (46.6°F) and a low of 2.3°C (36.1°F).
January
Weather in January
January, the same as December, in Roullens, France, is another chilly winter month, with temperature in the range of an average high of 8.1°C (46.6°F) and an average low of 2.3°C (36.1°F).Temperature
With an average high-temperature of 8.1°C (46.6°F) and an average low-temperature of 2.3°C (36.1°F), January is the coldest month.Humidity
The months with the highest humidity in Roullens are January, November and December, with an average relative humidity of 81%.Rainfall
In Roullens, France, in January, it is raining for 12.8 days, with typically 37mm (1.46") of accumulated precipitation. Throughout the year, in Roullens, there are 137.8 rainfall days, and 335mm (13.19") of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. In Roullens, in January, snow falls for 1.9 days, with typically accumulated 9mm (0.35") of snow. In Roullens, during the entire year, snow falls for 6.8 days and aggregates up to 40mm (1.57") of snow.Daylight
The average length of the day in January in Roullens is 9h and 25min.On the first day of the month, sunrise is at 08:22 and sunset at 17:25. On the last day of January, sunrise is at 08:07 and sunset at 18:00 CET.
Sunshine
The month with the least sunshine is January, with an average of 5.5h of sunshine.UV index
January, February and November, 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 minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: A daily high UV index of 2 in January leads to these guidelines:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Roullens, France
- Average high temperature in January: 8.1°C
The warmest month (with the highest average high temperature) is August (27.8°C).
The month with the lowest average high temperature is January (8.1°C).
- Average low temperature in January: 2.3°C
The month with the highest average low temperature is August (15.4°C).
The coldest month (with the lowest average low temperature) is February (1.7°C).
Average pressure in January
Roullens, France
- Average pressure in January: 1019.4mbar
The month with the highest atmospheric pressure is December (1021.3mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).
Average wind speed in January
Roullens, France
- Average wind speed in January: 14.5km/h
The windiest month (with the highest average wind speed) is February (15.3km/h).
The calmest month (with the lowest average wind speed) is September (11.2km/h).
Average humidity in January
Roullens, France
- Average humidity in January: 81%
The months with the highest relative humidity are January, November and December (81%).
The month with the lowest relative humidity is August (65%).
Average rainfall in January
Roullens, France
- Average rainfall in January: 37mm
The wettest month (with the highest rainfall) is October (43mm).
The driest months (with the least rainfall) are August and September (16mm).
Average rainfall days in January
Roullens, France
- Average rainfall days in January: 12.8 days
The month with the highest number of rainy days is April (13.5 days).
The month with the least rainy days is August (8.8 days).
Average snowfall in January
Roullens, France
- Average snowfall in January: 9mm
The month with the highest snowfall is February (13mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in January
Roullens, France
- Average snowfall days in January: 1.9 days
The month with the highest number of snowfall days is February (2.4 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Roullens, France
- Average daylight in January: 9h and 24min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January: 5h and 30min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).
Average sunshine days in January
Roullens, France
- Average sunshine days in January: 13.6 days
The month with the most sunshine days is August (18.3 days).
The month with the least sunshine days is November (12.5 days).
Average UV index in January
Roullens, 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
Roullens, France
- Average cloud cover in January: 45
The month with the most cloud cover is January (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in January
Roullens, France
- Average visibility in January: 9km
The months with the highest visibility are June, July and August (10km).
The months with the lowest visibility are January, February, March, April, May, September, October, November and December (9km).
