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
Lannion experiences its lowest average temperatures in January, reaching a peak of 9°C (48.2°F) and a minimum of 5.9°C (42.6°F).Humidity
The average relative humidity in January in Lannion is 83%.Rainfall
In January, the rain falls for 20.9 days. Throughout January, 69mm (2.72") of precipitation is accumulated. In Lannion, during the entire year, the rain falls for 214.5 days and collects up to 643mm (25.31") of precipitation.Snowfall
Months with snowfall are January through March, November and December. January is the month with the most snowfall in Lannion. Snow falls for 0.9 days and accumulates 11mm (0.43") of snow.Daylight
The average length of the day in January is 8h and 49min.On the first day of January, sunrise is at 09:06 and sunset at 17:27. On the last day of the month, sunrise is at 08:45 and sunset at 18:09 CET.
Sunshine
January has the least sunshine of the year in Lannion, with an average of 3.4h of sunshine.UV index
January, February and November, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: In January, the maximum UV index of 2 suggests these recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Boost your sun resistance with garments that are densely woven yet spacious. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest?
What is the average January temperature?
What is the average humidity in January?
How many days does it rain in January?
When does it snow the most?
How many days does it snow in January?
How many hours of daylight does Lannion have in January?
When is the sunrise / sunset in January?
What is the month with the least sunshine?
How many hours of sunshine does Lannion have in January?
What is the month with the lowest UV index?
How high is the UV index in January?
Average temperature in January
Lannion, France
- Average high temperature in January: 9°C
The warmest month (with the highest average high temperature) is August (19.1°C).
The month with the lowest average high temperature is January (9°C).
- Average low temperature in January: 5.9°C
The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is February (5.4°C).
Average pressure in January
Lannion, France
- Average pressure in January: 1016.6mbar
The month with the highest atmospheric pressure is September (1018.2mbar).
The month with the lowest atmospheric pressure is November (1011.9mbar).
Average wind speed in January
Lannion, France
- Average wind speed in January: 25.1km/h
The windiest months (with the highest average wind speed) are February and December (25.3km/h).
The calmest month (with the lowest average wind speed) is July (16.3km/h).
Average humidity in January
Lannion, France
- Average humidity in January: 83%
The month with the highest relative humidity is June (85%).
The months with the lowest relative humidity are February, March, April, September and October (82%).
Average rainfall in January
Lannion, France
- Average rainfall in January: 69mm
The wettest month (with the highest rainfall) is November (82mm).
The driest month (with the least rainfall) is September (28mm).
Average rainfall days in January
Lannion, France
- Average rainfall days in January: 20.9 days
The month with the highest number of rainy days is November (21.7 days).
The month with the least rainy days is September (13.7 days).
Average snowfall in January
Lannion, France
- Average snowfall in January: 11mm
The month with the highest snowfall is January (11mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in January
Lannion, France
- Average snowfall days in January: 0.9 days
The month with the highest number of snowfall days is February (1.9 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
Lannion, France
- Average daylight in January: 8h and 5min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in January: 3h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in January
Lannion, France
- Average sunshine days in January: 5.6 days
The month with the most sunshine days is September (11.1 days).
The month with the least sunshine days is November (4.8 days).
Average UV index in January
Lannion, France
- Average UV index in January: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February and November (UV index 2).
Average cloud cover in January
Lannion, France
- Average cloud cover in January: 62
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are April, July and September (Cloud cover 42).
Average visibility in January
Lannion, France
- Average visibility in January: 9km
The months with the highest visibility are March, April, June, July and September (10km).
The months with the lowest visibility are January, February, May, August, October, November and December (9km).
