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

August weather forecast and climate
Arcachon, France

The last month of the summer, August, is also a moderately hot month in Arcachon, France, with average temperature fluctuating between 24°C (75.2°F) and 15°C (59°F).

Temperature

In Arcachon, the average high-temperature is relatively the same as in July - a still warm 24°C (75.2°F). In August, the average low-temperature is 15°C (59°F).

Rainfall

In Arcachon, during August, the rain falls for 13 days and regularly aggregates up to 75mm (3") of precipitation. Throughout the year, there are 181 rainfall days, and 1136mm (44.7") of precipitation is accumulated.

Sea temperature

August is the month with the warmest seawater in Arcachon, with an average sea temperature of 22°C (71.6°F).
Note: Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 22°C (71.6°F) water may be enjoyable. (FYI: The official water temperature required for the Olympic swimming competition is 25°C (77°F) to 28°C (82.4°F).)

Daylight

In August, the average length of the day in Arcachon is 14h.

Sunshine

In August, the average sunshine in Arcachon is 7h.

UV index

The average daily maximum UV index in Arcachon is 7. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to the UV radiation for the ordinary person.
Note: In August, the average maximum UV index of 7 translate into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.

What is the temperature in August in Arcachon?

In Arcachon, France, in August, the average high-temperature is 24°C (75.2°F), and the average low-temperature is 15°C (59°F).

How much does it rain in Arcachon in August?

In Arcachon, France, in August, it is raining for 13 days, with typically 75mm (3") of accumulated precipitation.

When is the sea warmest in Arcachon?

With an average sea temperature of 22°C (71.6°F), August is the month with the warmest seawater in Arcachon.

What is the sea temperature in August in Arcachon?

In Arcachon, the average seawater temperature in August is 22°C (71.6°F). Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 22°C (71.6°F) water may be enjoyable.

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

In August, the average length of the day in Arcachon is 14h.

How long on average sun shines in August in Arcachon?

In Arcachon, France, the average sunshine in August is 7h.

What is the UV index intensity in August in Arcachon?

In Arcachon, France, the average daily maximum UV index in August is 7. A UV Index value of 6 to 7 symbolizes a high health threat from the exposure to the Sun's UV radiation.
Average temperature in August - Arcachon, France
  • Average high temperature in August: 24°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 August: 15°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 August - Arcachon, France
  • Average rainfall in August: 75mm

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 August - Arcachon, France
  • Average rainfall days in August: 13 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 August - Arcachon, France
  • Average sea temperature in August: 22°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 August / Average sunshine in August - Arcachon, France
  • Average daylight in August: 14h

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 August: 7h

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 August - Arcachon, France
  • Average UV index in August: 7

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).