August weather forecast
Cayeux-sur-Mer, France

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Weather in August

The last month of the summer, August, is also an agreeable month in Cayeux-sur-Mer, France, with an average temperature fluctuating between 13.8°C (56.8°F) and 21.7°C (71.1°F).

Temperature

August, noted for its average high-temperature of 21.7°C (71.1°F) and an average low-temperature of 13.8°C (56.8°F), is considered the warmest month.

Humidity

The least humid month in Cayeux-sur-Mer is August, with an average relative humidity of 78%.

Rainfall

In Cayeux-sur-Mer, during August, the rain falls for 17 days and regularly aggregates up to 48mm (1.89") of precipitation. In Cayeux-sur-Mer, France, during the entire year, the rain falls for 190.2 days and collects up to 547mm (21.54") of precipitation.

Snowfall

April through October are months without snowfall in Cayeux-sur-Mer, France.

Sea temperature

August and September, with an average sea temperature of 17.8°C (64°F), are months with the warmest seawater.
Note: A majority do not enjoy swimming in water at 17.8°C (64°F). The difficulty in controlling breathing increases progressively as the temperature dips below 21°C (69.8°F).

Daylight

In August, the average length of the day in Cayeux-sur-Mer is 14h and 26min.
On the first day of August in Cayeux-sur-Mer, sunrise is at 06:23 and sunset at 21:37. On the last day of the month, sunrise is at 07:08 and sunset at 20:40 CEST.

Sunshine

In August, the average sunshine is 8.9h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: In August, a daily UV index of 5 turns into the following recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
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Frequently asked questions

What time of the year is the hottest in Cayeux-sur-Mer?

Cayeux-sur-Mer, France, witnesses the warmest weather in August, with temperatures averaging a high of 21.7°C (71.1°F) and a low of 13.8°C (56.8°F).

What is the average August temperature in Cayeux-sur-Mer?

In Cayeux-sur-Mer, 21.7°C (71.1°F) is the average high-temperature and 13.8°C (56.8°F) is the average low-temperature during August.

What is the least humid month in Cayeux-sur-Mer?

August is the least humid month in Cayeux-sur-Mer, France, with an average relative humidity of 78%.

What is the average humidity in August in Cayeux-sur-Mer?

In Cayeux-sur-Mer, the average relative humidity in August is 78%.

How many days does it rain in August in Cayeux-sur-Mer?

In Cayeux-sur-Mer, in August, during 17 rainfall days, 48mm (1.89") of precipitation is typically accumulated.

When it does not snow in Cayeux-sur-Mer?

In Cayeux-sur-Mer, France, snow does not fall in April through October.

When is the sea warmest in Cayeux-sur-Mer?

August and September, with an average sea temperature of 17.8°C (64°F), are months with the warmest seawater in Cayeux-sur-Mer.

How cold is the water in August in Cayeux-sur-Mer?

In Cayeux-sur-Mer, in August, the average water temperature is 17.8°C (64°F). Swimming in 17.8°C (64°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

How many hours of daylight does Cayeux-sur-Mer have in August?

The average day length in August is 14h and 26min.

What time are sunrise and sunset in August in Cayeux-sur-Mer?

On the first day of August in Cayeux-sur-Mer, France, sunrise is at 06:23 and sunset at 21:37. On the last day of the month, sunrise is at 07:08 and sunset at 20:40 CEST.

How long on average sun shines in August in Cayeux-sur-Mer?

In August, the average sunshine duration in Cayeux-sur-Mer is 8.9h.

What are the months with the highest UV index in Cayeux-sur-Mer?

The months with the highest UV index are June through August, with an average maximum UV index of 5.

What is the UV index intensity in August in Cayeux-sur-Mer?

In Cayeux-sur-Mer, the average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a medium health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Cayeux-sur-Mer, France

Average temperature in August - Cayeux-sur-Mer, France
  • Average high temperature in August: 21.7°C

The warmest month (with the highest average high temperature) is August (21.7°C).
The month with the lowest average high temperature is January (6.3°C).

  • Average low temperature in August: 13.8°C

The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (1.8°C).

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Average pressure in August
Cayeux-sur-Mer, France

Average pressure in August - Cayeux-sur-Mer, France
  • Average pressure in August: 1016.1mbar

The month with the highest atmospheric pressure is September (1017.7mbar).
The month with the lowest atmospheric pressure is November (1012.2mbar).

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Average wind speed in August
Cayeux-sur-Mer, France

Average wind speed in August - Cayeux-sur-Mer, France
  • Average wind speed in August: 13.4km/h

The windiest month (with the highest average wind speed) is December (20.3km/h).
The calmest month (with the lowest average wind speed) is August (13.4km/h).

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Average humidity in August
Cayeux-sur-Mer, France

Average humidity in August - Cayeux-sur-Mer, France
  • Average humidity in August: 78%

The months with the highest relative humidity are January, November and December (87%).
The month with the lowest relative humidity is August (78%).

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Average rainfall in August
Cayeux-sur-Mer, France

Average rainfall in August - Cayeux-sur-Mer, France
  • Average rainfall in August: 48mm

The wettest month (with the highest rainfall) is December (71mm).
The driest month (with the least rainfall) is April (29mm).

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Average rainfall days in August
Cayeux-sur-Mer, France

Average rainfall days in August - Cayeux-sur-Mer, France
  • Average rainfall days in August: 17 days

The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is April (13.5 days).

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Average snowfall in August
Cayeux-sur-Mer, France

Average snowfall in August - Cayeux-sur-Mer, France
  • Average snowfall in August: 0mm

The month with the highest snowfall is January (29mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

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Average snowfall days in August
Cayeux-sur-Mer, France

Average snowfall days in August - Cayeux-sur-Mer, France
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (3.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average sea temperature in August
Cayeux-sur-Mer, France

Average sea temperature in August - Cayeux-sur-Mer, France
  • Average sea temperature in August: 17.8°C

The best months for swimming (with the highest average sea temperature) are August and September (17.8°C).
The coldest month (with the lowest average sea temperature) is March (7.9°C).

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Average daylight in August /
Average sunshine in August
Cayeux-sur-Mer, France

Average daylight in August / Average sunshine in August - Cayeux-sur-Mer, France
  • Average daylight in August: 14h and 2min

The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 6min).

  • Average sunshine in August: 8h and 5min

The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

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Average sunshine days in August
Cayeux-sur-Mer, France

Average sunshine days in August - Cayeux-sur-Mer, France
  • Average sunshine days in August: 10.7 days

The months with the most sunshine days are March and April (13.7 days).
The month with the least sunshine days is November (10.1 days).

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Average UV index in August
Cayeux-sur-Mer, France

Average UV index in August - Cayeux-sur-Mer, France
  • Average UV index in August: 5

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in August
Cayeux-sur-Mer, France

Average cloud cover in August - Cayeux-sur-Mer, France
  • Average cloud cover in August: 40

The months with the most cloud cover are January, November and December (Cloud cover 59).
The months with the least cloud cover are April and August (Cloud cover 40).

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Average visibility in August
Cayeux-sur-Mer, France

Average visibility in August - Cayeux-sur-Mer, France
  • Average visibility in August: 9km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).

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Cayeux-sur-Mer, France

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