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
The coldest temperatures occur during January, when averages reach a peak of 6.2°C (43.2°F) and a low of 1.8°C (35.2°F).Humidity
In January, the average relative humidity is 86%.Rainfall
In January, the rain falls for 17.3 days. Throughout January, 50mm (1.97") of precipitation is accumulated. Throughout the year, in Sailly-sur-la-Lys, there are 152 rainfall days, and 397mm (15.63") of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. The month with the most snowfall in Sailly-sur-la-Lys is January, when snow falls for 3.3 days and typically aggregates up to 34mm (1.34") of snow.Daylight
In Sailly-sur-la-Lys, the average length of the day in January is 8h and 34min.On the first day of the month, sunrise is at 08:50 and sunset at 16:54. On the last day of January, sunrise is at 08:26 and sunset at 17:38 CET.
Sunshine
January and December, with an average of 4h of sunshine, are months with the least sunshine in Sailly-sur-la-Lys.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 estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the average person.Note: An average maximum UV index of 2 in January leads to these recommendations:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Frequently asked questions
What is the coldest time of year in Sailly-sur-la-Lys?
Is it cold in Sailly-sur-la-Lys during January?
What is the average humidity in January in Sailly-sur-la-Lys?
How much does it rain in Sailly-sur-la-Lys in January?
When does it snow the most in Sailly-sur-la-Lys?
How many days does it snow in January in Sailly-sur-la-Lys?
How many hours of daylight does Sailly-sur-la-Lys have in January?
When is the sunrise / sunset in January in Sailly-sur-la-Lys?
What is the month with the least sunshine in Sailly-sur-la-Lys?
How long on average sun shines in January in Sailly-sur-la-Lys?
What is the month with the lowest UV index in Sailly-sur-la-Lys?
What is the UV index reading in January in Sailly-sur-la-Lys?
Average temperature in January
Sailly-sur-la-Lys, France
- Average high temperature in January: 6.2°C
The warmest months (with the highest average high temperature) are July and August (22.7°C).
The month with the lowest average high temperature is January (6.2°C).
- Average low temperature in January: 1.8°C
The month with the highest average low temperature is August (14.3°C).
The coldest month (with the lowest average low temperature) is January (1.8°C).
Average pressure in January
Sailly-sur-la-Lys, France
- Average pressure in January: 1015.8mbar
The month with the highest atmospheric pressure is September (1017.5mbar).
The month with the lowest atmospheric pressure is November (1011.9mbar).
Average wind speed in January
Sailly-sur-la-Lys, France
- Average wind speed in January: 17.4km/h
The windiest month (with the highest average wind speed) is December (18.2km/h).
The calmest month (with the lowest average wind speed) is August (12.9km/h).
Average humidity in January
Sailly-sur-la-Lys, France
- Average humidity in January: 86%
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is August (74%).
Average rainfall in January
Sailly-sur-la-Lys, France
- Average rainfall in January: 50mm
The wettest month (with the highest rainfall) is December (61mm).
The driest month (with the least rainfall) is September (12mm).
Average rainfall days in January
Sailly-sur-la-Lys, France
- Average rainfall days in January: 17.3 days
The month with the highest number of rainy days is December (18 days).
The month with the least rainy days is September (7.5 days).
Average snowfall in January
Sailly-sur-la-Lys, France
- Average snowfall in January: 34mm
The month with the highest snowfall is January (34mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in January
Sailly-sur-la-Lys, France
- Average snowfall days in January: 3.3 days
The month with the highest number of snowfall days is February (4 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
Sailly-sur-la-Lys, France
- Average daylight in January: 8h and 4min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in January: 4h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The months with the least sunshine are January and December (Average sunshine: 4h and 0min).
Average sunshine days in January
Sailly-sur-la-Lys, France
- Average sunshine days in January: 8.8 days
The month with the most sunshine days is September (21.5 days).
The months with the least sunshine days are February and December (8.5 days).
Average UV index in January
Sailly-sur-la-Lys, 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
Sailly-sur-la-Lys, France
- Average cloud cover in January: 61
The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are April and August (Cloud cover 40).
Average visibility in January
Sailly-sur-la-Lys, 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).
Sailly-sur-la-Lys, France
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