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 sea temperature 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
January is Vannes's coldest month, registering average high temperatures of 9.3°C (48.7°F) and lows of 5.8°C (42.4°F).Humidity
The months with the highest humidity are January and December, with an average relative humidity of 83%.Rainfall
In Vannes, in January, during 17.7 rainfall days, 62mm (2.44") of precipitation is typically accumulated. Throughout the year, in Vannes, there are 169.8 rainfall days, and 593mm (23.35") of precipitation is accumulated.Snowfall
January, March, May through November are months without snowfall in Vannes.Sea temperature
In January, the average sea temperature in Vannes is 11°C (51.8°F).Note: Swimming in 11°C (51.8°F) poses a severe threat. Even short exposure to 13°C (55.4°F) is chilling, and going below 10°C (50°F) can cause breathing irregularities and intense cold shock, based on one's stamina.
Daylight
In Vannes, France, the average length of the day in January is 8h and 56min.On the first day of the month, sunrise is at 08:59 and sunset at 17:29. On the last day of January, sunrise is at 08:39 and sunset at 18:09 CET.
Sunshine
January has the least sunshine of the year in Vannes, with an average of 4.5h of sunshine.UV index
January through April, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Vannes. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum high daily UV index of 3 during January translates into the following directions:
Ensure safety - Imperative it is to shield skin and eyes from damage. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Frequently asked questions
What is the coldest time of year in Vannes?
What is the usual temperature for Vannes in January?
What is the most humid month in Vannes?
What is the average humidity in January in Vannes?
How much does it rain in Vannes in January?
When it does not snow in Vannes?
Does it snow in Vannes in January?
What is the sea water temperature in January in Vannes?
What is the average length of the day in January in Vannes?
When are sunrise and sunset in January in Vannes?
What is the month with the least sunshine in Vannes?
How many hours of sunshine does Vannes have in January?
What is the month with the lowest UV index in Vannes?
What is the UV index intensity in January in Vannes?
Average temperature in January
Vannes, France
- Average high temperature in January: 9.3°C
The warmest month (with the highest average high temperature) is July (21.3°C).
The month with the lowest average high temperature is January (9.3°C).
- Average low temperature in January: 5.8°C
The month with the highest average low temperature is August (15°C).
The coldest month (with the lowest average low temperature) is February (5.3°C).
Average pressure in January
Vannes, France
- Average pressure in January: 1017.8mbar
The month with the highest atmospheric pressure is December (1018.6mbar).
The month with the lowest atmospheric pressure is November (1013mbar).
Average wind speed in January
Vannes, France
- Average wind speed in January: 22.5km/h
The windiest month (with the highest average wind speed) is December (22.9km/h).
The calmest month (with the lowest average wind speed) is August (15.5km/h).
Average humidity in January
Vannes, France
- Average humidity in January: 83%
The months with the highest relative humidity are January and December (83%).
The months with the lowest relative humidity are August and September (78%).
Average rainfall in January
Vannes, France
- Average rainfall in January: 62mm
The wettest month (with the highest rainfall) is November (81mm).
The driest month (with the least rainfall) is September (24mm).
Average rainfall days in January
Vannes, France
- Average rainfall days in January: 17.7 days
The month with the highest number of rainy days is January (17.7 days).
The month with the least rainy days is September (10 days).
Average snowfall in January
Vannes, France
- Average snowfall in January: 0mm
The months with the highest snowfall are February, April and December (1mm).
The months with the least snowfall are January, March, May, June, July, August, September, October and November (0mm).
Average snowfall days in January
Vannes, France
- Average snowfall days in January: 0.2 days
The month with the highest number of snowfall days is February (0.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in January
Vannes, France
- Average sea temperature in January: 11°C
The best months for swimming (with the highest average sea temperature) are July and August (18°C).
The coldest months (with the lowest average sea temperature) are February and March (10°C).
Average daylight in January /
Average sunshine in January
Vannes, France
- Average daylight in January: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in January: 4h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in January
Vannes, France
- Average sunshine days in January: 11.2 days
The month with the most sunshine days is September (18.1 days).
The month with the least sunshine days is November (10.4 days).
Average UV index in January
Vannes, France
- Average UV index in January: 3
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, March, April, November and December (UV index 3).
Average cloud cover in January
Vannes, France
- Average cloud cover in January: 56
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is September (Cloud cover 33).
Average visibility in January
Vannes, 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).
Vannes, France
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