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
With an average high-temperature of 5.7°C (42.3°F) and an average low-temperature of 1.1°C (34°F), January is the coldest month.Humidity
In Roost-Warendin, the average relative humidity in January is 87%.Rainfall
In Roost-Warendin, in January, during 7.6 rainfall days, 9mm (0.35") of precipitation is typically accumulated. Throughout the year, there are 108.2 rainfall days, and 145mm (5.71") of precipitation is accumulated.Snowfall
Months with snowfall are January, February and December. The month with the most snowfall in Roost-Warendin is January, when snow falls for 1.6 days and typically aggregates up to 9mm (0.35") of snow.Daylight
In Roost-Warendin, the average length of the day in January is 8h and 36min.On the first day of January, sunrise is at 08:47 and sunset at 16:53. On the last day of the month, sunrise is at 08:24 and sunset at 17:37 CET.
Sunshine
With an average of 3.9h of sunshine, January has the least sunshine of the year.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 of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: The average daily UV index of 2 in January transforms into the following instructions:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year?
Is it cold during January?
What is the average humidity in January?
How much does it rain in January?
What is the snowiest month in Roost-Warendin?
How many days does it snow in January?
How many hours of daylight does Roost-Warendin have in January?
What time are sunrise and sunset in January?
What is the month with the least sunshine?
How many hours of sunshine does Roost-Warendin have in January?
When is the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Roost-Warendin, France
- Average high temperature in January: 5.7°C
The warmest month (with the highest average high temperature) is August (23.3°C).
The month with the lowest average high temperature is January (5.7°C).
- Average low temperature in January: 1.1°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (1.1°C).
Average pressure in January
Roost-Warendin, France
- Average pressure in January: 1016.3mbar
The month with the highest atmospheric pressure is September (1017.6mbar).
The month with the lowest atmospheric pressure is November (1012.4mbar).
Average wind speed in January
Roost-Warendin, France
- Average wind speed in January: 17.5km/h
The windiest months (with the highest average wind speed) are February and December (18.1km/h).
The calmest month (with the lowest average wind speed) is August (12.1km/h).
Average humidity in January
Roost-Warendin, France
- Average humidity in January: 87%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (73%).
Average rainfall in January
Roost-Warendin, France
- Average rainfall in January: 9mm
The wettest month (with the highest rainfall) is December (18mm).
The driest month (with the least rainfall) is September (5mm).
Average rainfall days in January
Roost-Warendin, France
- Average rainfall days in January: 7.6 days
The month with the highest number of rainy days is June (11.1 days).
The month with the least rainy days is September (7 days).
Average snowfall in January
Roost-Warendin, France
- Average snowfall in January: 9mm
The month with the highest snowfall is January (9mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in January
Roost-Warendin, France
- Average snowfall days in January: 1.6 days
The month with the highest number of snowfall days is February (2.5 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
Roost-Warendin, 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: 3h and 5min
The month with the most sunshine is June (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in January
Roost-Warendin, France
- Average sunshine days in January: 18.8 days
The month with the most sunshine days is October (20 days).
The month with the least sunshine days is June (14.1 days).
Average UV index in January
Roost-Warendin, 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
Roost-Warendin, France
- Average cloud cover in January: 60
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are April and August (Cloud cover 41).
Average visibility in January
Roost-Warendin, 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).
