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
Boulogne-sur-Mer's January weather, marked by an average high temperature of 7°C (44.6°F) and an average low temperature of 4.1°C (39.4°F), is the coldest in the year.Humidity
The months with the highest humidity are January, June and December, with an average relative humidity of 83%.Rainfall
In Boulogne-sur-Mer, France, in January, it is raining for 15.8 days, with typically 37mm (1.46") of accumulated precipitation. In Boulogne-sur-Mer, during the entire year, the rain falls for 175.8 days and collects up to 430mm (16.93") of precipitation.Snowfall
January through March, November and December are months with snowfall in Boulogne-sur-Mer. January is the month with the most snowfall in Boulogne-sur-Mer, France. Snow falls for 2.3 days and accumulates 21mm (0.83") of snow.Daylight
In Boulogne-sur-Mer, the average length of the day in January is 8h and 34min.On the first day of January, sunrise is at 08:55 and sunset at 16:58. On the last day of the month, sunrise is at 08:31 and sunset at 17:42 CET.
Sunshine
In Boulogne-sur-Mer, the average sunshine in January is 4.3h.UV index
The months with the lowest UV index are January, February and November, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for average individuals.Note: In January, the maximum UV index of 2 suggests this advice:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Frequently asked questions
What are the coldest months in Boulogne-sur-Mer?
Is it cold in Boulogne-sur-Mer during January?
What are the most humid months in Boulogne-sur-Mer?
What is the average humidity in January in Boulogne-sur-Mer?
How much does it rain in Boulogne-sur-Mer in January?
When does it snow the most in Boulogne-sur-Mer?
How many days does it snow in January in Boulogne-sur-Mer?
How many hours of daylight does Boulogne-sur-Mer have in January?
When are sunrise and sunset in January in Boulogne-sur-Mer?
How long on average sun shines in January in Boulogne-sur-Mer?
When is the lowest UV index in Boulogne-sur-Mer?
What is the UV index intensity in January in Boulogne-sur-Mer?
Average temperature in January
Boulogne-sur-Mer, France
- Average high temperature in January: 7°C
The warmest month (with the highest average high temperature) is August (19.6°C).
The month with the lowest average high temperature is January (7°C).
- Average low temperature in January: 4.1°C
The month with the highest average low temperature is August (15.7°C).
The coldest month (with the lowest average low temperature) is January (4.1°C).
Average pressure in January
Boulogne-sur-Mer, France
- Average pressure in January: 1015.7mbar
The month with the highest atmospheric pressure is September (1017.5mbar).
The month with the lowest atmospheric pressure is November (1011.6mbar).
Average wind speed in January
Boulogne-sur-Mer, France
- Average wind speed in January: 26km/h
The windiest month (with the highest average wind speed) is December (27.4km/h).
The calmest month (with the lowest average wind speed) is July (18.1km/h).
Average humidity in January
Boulogne-sur-Mer, France
- Average humidity in January: 83%
The months with the highest relative humidity are January, June and December (83%).
The months with the lowest relative humidity are August and September (79%).
Average rainfall in January
Boulogne-sur-Mer, France
- Average rainfall in January: 37mm
The wettest month (with the highest rainfall) is December (54mm).
The driest months (with the least rainfall) are April and May (19mm).
Average rainfall days in January
Boulogne-sur-Mer, France
- Average rainfall days in January: 15.8 days
The month with the highest number of rainy days is November (17.9 days).
The month with the least rainy days is April (11.5 days).
Average snowfall in January
Boulogne-sur-Mer, France
- Average snowfall in January: 21mm
The month with the highest snowfall is January (21mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in January
Boulogne-sur-Mer, France
- Average snowfall days in January: 2.3 days
The month with the highest number of snowfall days is February (2.5 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
Boulogne-sur-Mer, 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 2min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is November (Average sunshine: 4h and 12min).
Average sunshine days in January
Boulogne-sur-Mer, France
- Average sunshine days in January: 10.5 days
The month with the most sunshine days is April (15.4 days).
The month with the least sunshine days is November (9.2 days).
Average UV index in January
Boulogne-sur-Mer, 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 and November (UV index 2).
Average cloud cover in January
Boulogne-sur-Mer, France
- Average cloud cover in January: 57
The month with the most cloud cover is November (Cloud cover 59).
The months with the least cloud cover are April and August (Cloud cover 38).
Average visibility in January
Boulogne-sur-Mer, France
- Average visibility in January: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
Boulogne-sur-Mer, France
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