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 Roullée, the lowest average temperatures are observed in January, with a high of 6.3°C (43.3°F) and a low of 1.3°C (34.3°F).Humidity
January and December, with an average relative humidity of 90%, are the most humid months in Roullée, France.Rainfall
In Roullée, in January, it is raining for 15.8 days, with typically 47mm (1.85") of accumulated precipitation. Throughout the year, in Roullée, there are 190.6 rainfall days, and 566mm (22.28") of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In Roullée, in January, snow falls for 2.6 days, with typically accumulated 20mm (0.79") of snow. In Roullée, during the entire year, snow falls for 8.6 days and aggregates up to 85mm (3.35") 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 08:50 and sunset at 17:13. On the last day of January, in Roullée, sunrise is at 08:29 and sunset at 17:54 CET.
Sunshine
January has the least sunshine of the year, with an average of 3.6h of sunshine.UV index
The months with the lowest UV index in Roullée are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In January, the average maximum UV index of 2 translates into the following recommendations:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Frequently asked questions
What time of the year is the coldest in Roullée?
How cold does it get in Roullée in January?
What are the most humid months in Roullée?
What is the average humidity in January in Roullée?
How much does it rain in Roullée in January?
How much does it snow in Roullée in January?
What is the average length of the day in January in Roullée?
When is the sunrise / sunset in January in Roullée?
What is the month with the least sunshine in Roullée?
How long on average sun shines in January in Roullée?
What is the month with the lowest UV index in Roullée?
What is the UV index intensity in January in Roullée?
Average temperature in January
Roullée, France
- Average high temperature in January: 6.3°C
The warmest month (with the highest average high temperature) is August (22.6°C).
The month with the lowest average high temperature is January (6.3°C).
- Average low temperature in January: 1.3°C
The months with the highest average low temperature are July and August (12.4°C).
The coldest month (with the lowest average low temperature) is February (1.2°C).
Average pressure in January
Roullée, France
- Average pressure in January: 1017.6mbar
The month with the highest atmospheric pressure is December (1018.3mbar).
The month with the lowest atmospheric pressure is November (1013.1mbar).
Average wind speed in January
Roullée, France
- Average wind speed in January: 16km/h
The windiest month (with the highest average wind speed) is February (17.1km/h).
The calmest month (with the lowest average wind speed) is August (10.6km/h).
Average humidity in January
Roullée, France
- Average humidity in January: 90%
The months with the highest relative humidity are January and December (90%).
The month with the lowest relative humidity is August (78%).
Average rainfall in January
Roullée, France
- Average rainfall in January: 47mm
The wettest month (with the highest rainfall) is June (65mm).
The driest month (with the least rainfall) is September (28mm).
Average rainfall days in January
Roullée, France
- Average rainfall days in January: 15.8 days
The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is September (12.4 days).
Average snowfall in January
Roullée, France
- Average snowfall in January: 20mm
The month with the highest snowfall is December (32mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in January
Roullée, France
- Average snowfall days in January: 2.6 days
The month with the highest number of snowfall days is February (2.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Roullée, France
- Average daylight in January: 8h and 5min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in January: 3h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in January
Roullée, France
- Average sunshine days in January: 11.6 days
The month with the most sunshine days is September (14.3 days).
The month with the least sunshine days is November (8.9 days).
Average UV index in January
Roullée, 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
Roullée, France
- Average cloud cover in January: 63
The month with the most cloud cover is November (Cloud cover 65).
The month with the least cloud cover is September (Cloud cover 44).
Average visibility in January
Roullée, France
- Average visibility in January: 8km
The months with the highest visibility are February and March (9km).
The months with the lowest visibility are January, April, May, June, July, August, September, October, November and December (8km).
Roullée, France
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