Climate and monthly weather forecast
Arcachon, France

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Weather in January

January, like December, in Arcachon, France, is a cool winter month, with an average temperature ranging between max 10.5°C (50.9°F) and min 6.5°C (43.7°F). 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). Weather in January »

Weather in February

February, the last month of the winter in Arcachon, is another cool month, with temperature in the range of an average high of 11.3°C (52.3°F) and an average low of 6°C (42.8°F). The initiation of February records an average high-temperature of a still cool 11.3°C (52.3°F), displaying a near consistency with the previous month. Weather in February »

Weather in March

The first month of the spring, March, is a refreshing month in Arcachon, France, with temperature in the range of an average low of 7.8°C (46°F) and an average high of 14.2°C (57.6°F). March's weather displays an average high-temperature of a mild 14.2°C (57.6°F), slightly varied from February's 11.3°C (52.3°F). Weather in March »

Weather in April

April is a comfortable spring month in Arcachon, France, with temperature in the range of an average low of 10.1°C (50.2°F) and an average high of 17°C (62.6°F). As Arcachon, France, steps into April, the average high-temperature holds at a comfortable 17°C (62.6°F), hinting at a minor fluctuation from the prior month. Weather in April »

Weather in May

The last month of the spring, May, is also an enjoyable month in Arcachon, France, with temperature in the range of an average high of 19.6°C (67.3°F) and an average low of 12.6°C (54.7°F). May reports an average high-temperature of a still comfortable 19.6°C (67.3°F), slightly varied from April's 17°C (62.6°F). Weather in May »

Weather in June

June, the first month of the summer in Arcachon, is an agreeable month, with an average temperature fluctuating between 15.8°C (60.4°F) and 22.8°C (73°F). With the onset of June, Arcachon's weather sees a minor temperature rise, transitioning from a comfortable 19.6°C (67.3°F) in May to a pleasant 22.8°C (73°F). Weather in June »

Weather in July

July is a moderately hot summer month in Arcachon, France, with an average temperature fluctuating between 25°C (77°F) and 17.4°C (63.3°F). The average high-temperature for July is a moderately hot 25°C (77°F), closely aligning with the temperature of the preceding month. Weather in July »

Weather in August

August, the last month of the summer in Arcachon, is another warm month, with an average temperature ranging between min 17.4°C (63.3°F) and max 25.4°C (77.7°F). With average high temperatures of 25.4°C (77.7°F) and lows of 17.4°C (63.3°F), August is the warmest month. Weather in August »

Weather in September

September, the first month of the autumn in Arcachon, is also a moderately hot month, with temperature in the range of an average low of 15.4°C (59.7°F) and an average high of 23.2°C (73.8°F). The high-temperature average in September for Arcachon is a still moderately hot 23.2°C (73.8°F), staying closely aligned with August's conditions. Weather in September »

Weather in October

October, like September, in Arcachon, France, is another comfortable autumn month, with an average temperature fluctuating between 19.3°C (66.7°F) and 13.3°C (55.9°F). October sees a slight reduction in average high-temperature, with a shift from a warm 23.2°C (73.8°F) in September to a refreshing 19.3°C (66.7°F). Weather in October »

Weather in November

The last month of the autumn, November, is another mild month in Arcachon, France, with an average temperature varying between 10.1°C (50.2°F) and 14.5°C (58.1°F). As October shifts into November, a minor alteration in temperatures is observed, with average highs reducing from 19.3°C (66.7°F) to a still refreshing 14.5°C (58.1°F). Weather in November »

Weather in December

The first month of the winter, December, is also a fresh month in Arcachon, France, with an average temperature ranging between min 7.5°C (45.5°F) and max 11.9°C (53.4°F). The onset of December manifests an average high-temperature of a fresh 11.9°C (53.4°F), demonstrating a minor variation from the preceding month. Weather in December »
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Frequently asked questions

What part of the year is the coldest in Arcachon?

January is the coldest month, with an average high-temperature of 10.5°C (50.9°F) and an average low-temperature of 6.5°C (43.7°F).

What is the most humid month in Arcachon?

January is the most humid month, with an average relative humidity of 81%.

How many days does it rain in Arcachon?

In Arcachon, France, during the entire year, the rain falls for 160.9 days and collects up to 555mm (21.85") of precipitation.

When does it snow in Arcachon?

January, February and December are months with snowfall in Arcachon, France.

How much does it snow in Arcachon?

In Arcachon, France, during the entire year, snow falls for 1.4 days and aggregates up to 12mm (0.47") of snow.

What are the months with the lowest UV index in Arcachon?

January through March, November and December, with an average maximum UV index of 3, are months with the lowest UV index.

What is the snowiest month in Arcachon?

The month with the most snowfall in Arcachon is February, when snow falls for 0.5 days and typically aggregates up to 9mm (0.35") of snow.

What are the months with the coldest sea water in Arcachon?

February and March, with an average sea temperature of 12°C (53.6°F), are months with the coldest seawater.

When it does not snow in Arcachon?

March through November are months without snowfall.

When are the longest days in Arcachon?

The month with the longest days in Arcachon is June, with an average of 15h and 30min of daylight.

What are the months with the highest UV index in Arcachon?

The months with the highest UV index in Arcachon, France, are June and July, with an average maximum UV index of 6.

What month has the most sunshine in Arcachon?

With an average of 10.2h of sunshine, July has the most sunshine of the year in Arcachon.

What part of the year is the hottest in Arcachon?

Arcachon's August weather, marked by an average high temperature of 25.4°C (77.7°F) and an average low temperature of 17.4°C (63.3°F), is the warmest in the year.

What is the least humid month in Arcachon?

August and September, with an average relative humidity of 71%, are the least humid months in Arcachon.

What is the driest month in Arcachon?

The months with the least rainfall in Arcachon, France, are August and September Rain falls for 11.3 days and accumulates 29mm (1.14") of rain.

What month is the sea warmest in Arcachon?

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

When is Daylight Saving Time (DST) in Arcachon?

On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends in Arcachon, and the time zone changes from CEST to CET. The next Daylight Saving Time starts on Sunday, 30. March 2025, at 02:00, and the time zone reverts from CET to CEST.

What is the wettest month in Arcachon?

November is the month with the most rainfall in Arcachon, France. Rain falls for 17.1 days and accumulates 89mm (3.5") of precipitation.

What is the month with the least sunshine in Arcachon?

November and December, with an average of 4.9h of sunshine, are months with the least sunshine.

What is the month with the shortest days in Arcachon?

The month with the shortest days in Arcachon, France, is December, with an average of 8h and 54min of daylight.

Average temperature
Arcachon, France

Average temperature - Arcachon, France

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).

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).

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Average pressure
Arcachon, France

Average pressure - Arcachon, France

The month with the highest atmospheric pressure is December (1021mbar).
The month with the lowest atmospheric pressure is November (1015mbar).

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Average wind speed
Arcachon, France

Average wind speed - Arcachon, France

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).

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Average humidity
Arcachon, France

Average humidity - Arcachon, France

The month with the highest relative humidity is January (81%).
The months with the lowest relative humidity are August and September (71%).

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Average rainfall
Arcachon, France

Average rainfall - Arcachon, France

The wettest month (with the highest rainfall) is November (89mm).
The driest months (with the least rainfall) are August and September (29mm).

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Average rainfall days
Arcachon, France

Average rainfall days - Arcachon, France

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).

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Average snowfall
Arcachon, France

Average snowfall - Arcachon, France

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).

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Average snowfall days
Arcachon, France

Average snowfall days - Arcachon, France

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).

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Average sea temperature
Arcachon, France

Average sea temperature - Arcachon, France

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).

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Average daylight / Average sunshine
Arcachon, France

Average daylight / Average sunshine - Arcachon, France

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).

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).

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Average sunshine days
Arcachon, France

Average sunshine days - Arcachon, France

The month with the most sunshine days is September (17.8 days).
The month with the least sunshine days is November (11.4 days).

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Average UV index
Arcachon, France

Average UV index - Arcachon, France

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).

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Average visibility
Arcachon, France

Average visibility - Arcachon, France

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).

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Arcachon, France

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