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Arcachon weather in December

Weather in Arcachon: December


	Average day temperature:	53.5°F
	Average night temperature:	48.6°F

	Sea water temperature:	55.4°F

	Number of sunny days:	9 days
	Day length:	8.8 - 9.1 hours

	Number of rainy days:	6 days
	Precipitation totals:	3.4 in.

more information

14 days
forecast

Arcachon

sea water
temperature

Arcachon

January
February
March
April

May
June
July
August

September
October
November
December

Show year:

2024

2023

2022

Day temperature

Night temperature

The highest day temperature during December of 2024 was 62°F. At the same time the lowest night temperature was 38°F. Daily and nightly averages during December were 52.4°F and 48.4°F.

Show year:

2024

2023

2022

The average sea water temperature in December of 2024 was 54.7°F. The highest and lowest sea temperatures during the month were 56.8°F and 52.9°F.

	Sunny days
	Partly cloudy days
	Cloudy days

25%

22%

53%

Mostly all days in December are cloudy but sunny and partly cloudy days are also possible.

jan

feb

mar

apr

may

jun

jul

aug

sep

oct

nov

dec

0.0

0.7

1.4

2.1

2.8

3.6

4.3

5.0

5.7

3.3

2.6

1.9

1.1

1.4

2.7

2.6

1.4

1.9

2.1

3.0

4.1

3.3

2.6

1.9

1.1

1.4

2.7

2.6

1.4

1.9

2.1

3.0

Precipitation total value in Arcachon in December is 4.1 in. Other months of the year show relatively similar values.

jan

feb

mar

apr

may

jun

jul

aug

sep

oct

nov

dec

0.0

1.7

3.5

5.2

6.9

8.7

10.4

12.1

9.7

8.4

7.8

7.6

7.8

7.7

8.5

9.7

9.4

10.1

9.9

9.7

8.4

7.8

7.6

7.8

7.7

8.5

9.7

9.4

10.1

The average wind speed value in December is 9.9 mph It makes December one of the most windy months of the year.

jan

feb

mar

apr

may

jun

jul

aug

sep

oct

nov

dec

0.0

1.7

3.5

5.2

7.0

8.7

10.5

12.2

14.0

4.7

6.7

7.9

9.4

10.2

8.7

8.3

7.7

6.2

5.6

4.6

4.3

4.7

6.7

7.9

9.4

10.2

8.7

8.3

7.7

6.2

5.6

4.6

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in December is: 4.3.