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
With an average high-temperature of 8.9°C (48°F) and an average low-temperature of 3.7°C (38.7°F), January is the coldest month.Humidity
January and December, with an average relative humidity of 85%, are the most humid months in La Roche-sur-Yon.Rainfall
In January, the rain falls for 14.3 days. Throughout January, 41mm (1.61") of precipitation is accumulated. Throughout the year, there are 151.1 rainfall days, and 468mm (18.43") of precipitation is accumulated.Snowfall
January through March and December are months with snowfall in La Roche-sur-Yon. January is the month with the most snowfall in La Roche-sur-Yon. Snow falls for 0.9 days and accumulates 5mm (0.2") of snow.Daylight
In January, the average length of the day in La Roche-sur-Yon is 9h and 3min.On the first day of the month, sunrise is at 08:50 and sunset at 17:28. On the last day of January, sunrise is at 08:31 and sunset at 18:06 CET.
Sunshine
The months with the least sunshine are January and December, with an average of 4.7h of sunshine.UV index
January and February, 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 minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 2 in January interprets into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Frequently asked questions
What are the coldest months in La Roche-sur-Yon?
What are January temperatures in La Roche-sur-Yon?
What are the most humid months in La Roche-sur-Yon?
What is the average humidity in January in La Roche-sur-Yon?
How many days does it rain in January in La Roche-sur-Yon?
What is the snowiest month in La Roche-sur-Yon?
How many days does it snow in January in La Roche-sur-Yon?
What is the average length of the day in January in La Roche-sur-Yon?
When is the sunrise / sunset in January in La Roche-sur-Yon?
What is the month with the least sunshine in La Roche-sur-Yon?
How long on average sun shines in January in La Roche-sur-Yon?
What are the months with the lowest UV index in La Roche-sur-Yon?
What is the UV index intensity in January in La Roche-sur-Yon?
Average temperature in January
La Roche-sur-Yon, France
- Average high temperature in January: 8.9°C
The warmest month (with the highest average high temperature) is August (24.5°C).
The month with the lowest average high temperature is January (8.9°C).
- Average low temperature in January: 3.7°C
The months with the highest average low temperature are July and August (14.8°C).
The coldest month (with the lowest average low temperature) is February (3.2°C).
Average pressure in January
La Roche-sur-Yon, France
- Average pressure in January: 1018.5mbar
The month with the highest atmospheric pressure is December (1019.6mbar).
The month with the lowest atmospheric pressure is November (1013.7mbar).
Average wind speed in January
La Roche-sur-Yon, France
- Average wind speed in January: 17.6km/h
The windiest month (with the highest average wind speed) is February (18.3km/h).
The calmest month (with the lowest average wind speed) is August (12km/h).
Average humidity in January
La Roche-sur-Yon, France
- Average humidity in January: 85%
The months with the highest relative humidity are January and December (85%).
The months with the lowest relative humidity are August and September (72%).
Average rainfall in January
La Roche-sur-Yon, France
- Average rainfall in January: 41mm
The wettest month (with the highest rainfall) is November (62mm).
The driest months (with the least rainfall) are July and August (23mm).
Average rainfall days in January
La Roche-sur-Yon, France
- Average rainfall days in January: 14.3 days
The month with the highest number of rainy days is November (15 days).
The month with the least rainy days is September (8.4 days).
Average snowfall in January
La Roche-sur-Yon, France
- Average snowfall in January: 5mm
The month with the highest snowfall is January (5mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in January
La Roche-sur-Yon, France
- Average snowfall days in January: 0.9 days
The month with the highest number of snowfall days is January (0.9 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
La Roche-sur-Yon, France
- Average daylight in January: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in January: 4h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The months with the least sunshine are January and December (Average sunshine: 4h and 42min).
Average sunshine days in January
La Roche-sur-Yon, France
- Average sunshine days in January: 14.2 days
The month with the most sunshine days is September (20.6 days).
The month with the least sunshine days is February (13 days).
Average UV index in January
La Roche-sur-Yon, France
- Average UV index in January: 2
The months with the highest UV index are May, June, July, August and September (UV index 5).
The months with the lowest UV index are January and February (UV index 2).
Average cloud cover in January
La Roche-sur-Yon, France
- Average cloud cover in January: 54
The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are August and September (Cloud cover 32).
Average visibility in January
La Roche-sur-Yon, 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).
La Roche-sur-Yon, France
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