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 the month when Arcachon sees the lowest average temperatures, with a high of 10.5°C (50.9°F) and a low of 6.5°C (43.7°F).Humidity
With an average relative humidity of 81%, January is the most humid month in Arcachon.Rainfall
In Arcachon, in January, during 15.6 rainfall days, 58mm (2.28") of precipitation is typically accumulated. In Arcachon, during the entire year, the rain falls for 160.9 days and collects up to 555mm (21.85") of precipitation.Snowfall
Months with snowfall are January, February and December. In Arcachon, France, in January, during 0.3 snowfall days, 2mm (0.08") of snow is typically accumulated. In Arcachon, during the entire year, snow falls for 1.4 days and aggregates up to 12mm (0.47") of snow.Sea temperature
In January, the average sea temperature in Arcachon is 13°C (55.4°F).Note: Swimming in 13°C (55.4°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 January, the average length of the day in Arcachon is 9h and 16min.On the first day of January, sunrise is at 08:41 and sunset at 17:34. On the last day of the month, sunrise is at 08:25 and sunset at 18:11 CET.
Sunshine
In Arcachon, the average sunshine in January is 5h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: A typical high UV index of 3 in January suggests the following recommendations:
Exercise caution. Those with pale skin may experience burns in less than half an hour. To protect against the Sun's most potent rays, avoid direct exposure around midday. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Frequently asked questions
What part of the year is the coldest in Arcachon?
What are the temperatures in Arcachon in January?
What is the most humid month in Arcachon?
What is the average humidity in January in Arcachon?
How many days does it rain in January in Arcachon?
How much does it snow in Arcachon in January?
What is the water temperature in January in Arcachon?
What is the average length of the day in January in Arcachon?
When is the sunrise / sunset in January in Arcachon?
How long on average sun shines in January in Arcachon?
What are the months with the lowest UV index in Arcachon?
What is the UV index reading in January in Arcachon?
Average temperature in January
Arcachon, France
- Average high temperature in January: 10.5°C
The warmest month (with the highest average high temperature) is August (25.4°C).
The month with the lowest average high temperature is January (10.5°C).
- Average low temperature in January: 6.5°C
The months with the highest average low temperature are July and August (17.4°C).
The coldest month (with the lowest average low temperature) is February (6°C).
Average pressure in January
Arcachon, France
- Average pressure in January: 1019.8mbar
The month with the highest atmospheric pressure is December (1021mbar).
The month with the lowest atmospheric pressure is November (1015mbar).
Average wind speed in January
Arcachon, France
- Average wind speed in January: 15.3km/h
The windiest month (with the highest average wind speed) is February (15.4km/h).
The calmest month (with the lowest average wind speed) is August (11km/h).
Average humidity in January
Arcachon, France
- Average humidity in January: 81%
The month with the highest relative humidity is January (81%).
The months with the lowest relative humidity are August and September (71%).
Average rainfall in January
Arcachon, France
- Average rainfall in January: 58mm
The wettest month (with the highest rainfall) is November (89mm).
The driest months (with the least rainfall) are August and September (29mm).
Average rainfall days in January
Arcachon, France
- Average rainfall days in January: 15.6 days
The month with the highest number of rainy days is November (17.1 days).
The month with the least rainy days is September (10.4 days).
Average snowfall in January
Arcachon, France
- Average snowfall in January: 2mm
The month with the highest snowfall is February (9mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in January
Arcachon, France
- Average snowfall days in January: 0.3 days
The month with the highest number of snowfall days is February (0.5 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average sea temperature in January
Arcachon, France
- Average sea temperature in January: 13°C
The best month for swimming (with the highest average sea temperature) is August (22°C).
The coldest months (with the lowest average sea temperature) are February and March (12°C).
Average daylight in January /
Average sunshine in January
Arcachon, France
- Average daylight in January: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in January: 5h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The months with the least sunshine are November and December (Average sunshine: 4h and 54min).
Average sunshine days in January
Arcachon, France
- Average sunshine days in January: 14.2 days
The month with the most sunshine days is September (17.8 days).
The month with the least sunshine days is November (11.4 days).
Average UV index in January
Arcachon, France
- Average UV index in January: 3
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 3).
Average cloud cover in January
Arcachon, France
- Average cloud cover in January: 52
The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are August and September (Cloud cover 28).
Average visibility in January
Arcachon, France
- Average visibility in January: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and December (10km).
The months with the lowest visibility are January and November (9km).
Arcachon, France
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