January weather forecastHeilly, France
January
Weather in January
January, the same as December, is an icy winter month in Heilly, France, with an average temperature fluctuating between 1°C (33.8°F) and 5.8°C (42.4°F).Temperature
In Heilly, France, January records the lowest average temperatures, peaking at 5.8°C (42.4°F) and reaching a low of 1°C (33.8°F).Humidity
January and December, with an average relative humidity of 88%, are the most humid months.Rainfall
In January, the rain falls for 14.3 days. Throughout January, 24mm (0.94") of precipitation is accumulated. In Heilly, France, during the entire year, the rain falls for 163.7 days and collects up to 340mm (13.39") of precipitation.Snowfall
January through March, November and December are months with snowfall in Heilly. January is the month with the most snowfall. Snow falls for 2 days and accumulates 17mm (0.67") of snow.Daylight
The average length of the day in January in Heilly is 8h and 40min.On the first day of the month, sunrise is at 08:47 and sunset at 16:58. On the last day of January, sunrise is at 08:25 and sunset at 17:41 CET.
Sunshine
January has the least sunshine of the year in Heilly, with an average of 3.7h of sunshine.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 value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In January, a daily maximum UV index of 2 leads to the following instructions:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Heilly, France
- Average high temperature in January: 5.8°C
The warmest month (with the highest average high temperature) is August (22.8°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in January: 1°C
The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is January (1°C).
Average pressure in January
Heilly, France
- Average pressure in January: 1016.6mbar
The month with the highest atmospheric pressure is September (1017.8mbar).
The month with the lowest atmospheric pressure is November (1012.5mbar).
Average wind speed in January
Heilly, France
- Average wind speed in January: 17.4km/h
The windiest month (with the highest average wind speed) is February (18.2km/h).
The calmest month (with the lowest average wind speed) is August (11.9km/h).
Average humidity in January
Heilly, France
- Average humidity in January: 88%
The months with the highest relative humidity are January and December (88%).
The month with the lowest relative humidity is August (76%).
Average rainfall in January
Heilly, France
- Average rainfall in January: 24mm
The wettest month (with the highest rainfall) is December (43mm).
The driest month (with the least rainfall) is September (16mm).
Average rainfall days in January
Heilly, France
- Average rainfall days in January: 14.3 days
The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is September (11.3 days).
Average snowfall in January
Heilly, France
- Average snowfall in January: 17mm
The month with the highest snowfall is January (17mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in January
Heilly, France
- Average snowfall days in January: 2 days
The month with the highest number of snowfall days is February (2.8 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
Heilly, France
- Average daylight in January: 8h and 42min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in January: 3h and 42min
The month with the most sunshine is June (Average sunshine: 9h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in January
Heilly, France
- Average sunshine days in January: 12.5 days
The month with the most sunshine days is March (15.1 days).
The month with the least sunshine days is July (10.6 days).
Average UV index in January
Heilly, 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
Heilly, France
- Average cloud cover in January: 61
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 41).
Average visibility in January
Heilly, 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).





