Arcachon
France
Long-term weather forecast
Long-term weather forecast

January weather forecast and climate
Arcachon, France

January, the same as December, is a cool winter month in Arcachon, France, with average temperature ranging between max 10°C (50°F) and min 4°C (39.2°F).

Temperature

The coldest month is January, with an average high-temperature of 10°C (50°F) and an average low-temperature of 4°C (39.2°F).

Rainfall

In Arcachon, during January, the rain falls for 18 days and regularly aggregates up to 118mm (4.6") of precipitation. In Arcachon, during the entire year, the rain falls for 181 days and collects up to 1136mm (44.7") of precipitation.

Sea temperature

In Arcachon, in January, the average water temperature is 13°C (55.4°F).
Note: At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.

Daylight

In January, the average length of the day in Arcachon is 9.3h.

Sunshine

Months with the least sunshine in Arcachon, France, are January, November and December, with an average of 3h of sunshine.

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index in Arcachon. A UV Index reading of 2, and below, represents a low threat to health from the exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 1 in January interpret into the following advice:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the coldest month in Arcachon?

With an average high-temperature of 10°C (50°F) and an average low-temperature of 4°C (39.2°F), January is the coldest month in Arcachon.

What is the temperature in January in Arcachon?

In Arcachon, in January, the average high-temperature is 10°C (50°F), and the average low-temperature is 4°C (39.2°F).

How many days does it rain in January in Arcachon?

In Arcachon, during January, the rain falls for 18 days and regularly aggregates up to 118mm (4.6") of precipitation.

How cold is the water in January in Arcachon?

In January, the average sea temperature in Arcachon, France, is 13°C (55.4°F). Swimming in 13°C (55.4°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

What is the average length of the day in January in Arcachon?

In Arcachon, France, the average length of the day in January is 9.3h.

What is the month with the least sunshine in Arcachon?

January, November and December, with an average of 3h of sunshine, are months with the least sunshine.

How many hours of sunshine does Arcachon have in January?

The average sunshine in January in Arcachon, France, is 3h.

When is the lowest UV index in Arcachon?

Months with the lowest UV index are January and December, with an average maximum UV index of 1.

What is the UV index reading in January in Arcachon?

The average daily maximum UV index in January in Arcachon, France, is 1. A UV Index estimate of 2, and below, represents a low health threat from the exposure to the Sun's UV radiation.
Average temperature in January - Arcachon, France
  • Average high temperature in January: 10°C

The warmest month (with the highest average high temperature) is July (25°C).
The month with the lowest average high temperature is January (10°C).

  • Average low temperature in January: 4°C

Months with the highest average low temperature are July and August (15°C).
Coldest months (with the lowest average low temperature) are January, February and December (4°C).

Average rainfall in January - Arcachon, France
  • Average rainfall in January: 118mm

Wettest months (with the highest rainfall) are November and December (126mm).
The driest month (with the lowest rainfall) is July (53mm).

Average rainfall days in January - Arcachon, France
  • Average rainfall days in January: 18 days

The month with the highest number of rainy days is January (18 days).
The month with the lowest number of rainy days is July (11 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).
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: 9.3h

The month with the longest days is June (Average daylight: 15.5h).
The month with shortest days is December (Average daylight: 8.9h).

  • Average sunshine in January: 3h

Months with most sunshine are June and July (Average sunshine: 8h).
Months with least sunshine are January, November and December (Average sunshine: 3).

Average UV index in January - Arcachon, France
  • Average UV index in January: 1

Months with the highest UV index are June and July (UV index 8).
Months with the lowest UV index are January and December (UV index 1).