August weather forecast
Marseille, France

St. Jean Castle and the Cathedral de la Major, in the port of Marseille in France
St. Jean Castle and the Cathedral de la Major, in the port of Marseille in France

Weather in August

The last month of the summer, August, is also a moderately hot month in Marseille, France, with an average temperature ranging between min 20.8°C (69.4°F) and max 27.3°C (81.1°F).

Temperature

The warmest month is August, with an average high-temperature of 27.3°C (81.1°F) and an average low-temperature of 20.8°C (69.4°F).

Heat index

The average heat index in August is estimated at 28.7°C (83.7°F). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'feels like', 'apparent temperature', or 'felt air temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. This effect is individual, with diverse people perceiving weather differently for numerous reasons (clothing, metabolic differences, wind), and activity. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

With an average relative humidity of 63%, August is the least humid month.

Rainfall

In Marseille, during August, the rain falls for 5.6 days and regularly aggregates up to 14mm (0.55") of precipitation. Throughout the year, in Marseille, there are 106.6 rainfall days, and 428mm (16.85") of precipitation is accumulated.

Snowfall

In Marseille, snow does not fall in January, April through December.

Sea temperature

August and September, with an average sea temperature of 21.9°C (71.4°F), are months with the warmest seawater.
Note: For swimming, a surface water temperature of 21.9°C (71.4°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).

Daylight

In Marseille, the average length of the day in August is 13h and 55min.
On the first day of August in Marseille, sunrise is at 06:28 and sunset at 21:01. On the last day of the month, sunrise is at 07:01 and sunset at 20:16 CEST.

Sunshine

The average sunshine in August in Marseille is 11.7h.

UV index

The months with the highest UV index in Marseille are June through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 6 in August interpret into the following advice:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. 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. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.
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FAQ

What is the warmest month in Marseille?

With an average high-temperature of 27.3°C (81.1°F) and an average low-temperature of 20.8°C (69.4°F), August is the warmest month in Marseille.

What is the temperature in August in Marseille?

The average high-temperature, in August, in Marseille, is 27.3°C (81.1°F), while the average low-temperature is 20.8°C (69.4°F). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in August is estimated at 28.7°C (83.7°F).

What is the least humid month in Marseille?

The least humid month is August, with an average relative humidity of 63%.

What is the average humidity in August in Marseille?

The average relative humidity in August in Marseille, France, is 63%.

How many days does it rain in August in Marseille?

In Marseille, in August, it is raining for 5.6 days, with typically 14mm (0.55") of accumulated precipitation.

When it does not snow in Marseille?

In Marseille, France, snow does not fall in January, April through December.

What months are the sea warmest in Marseille?

August and September, with an average sea temperature of 21.9°C (71.4°F), are months with the warmest seawater in Marseille, France.

What is the sea temperature in August in Marseille?

In Marseille, France, in August, the average water temperature is 21.9°C (71.4°F). Swimming in 21.9°C (71.4°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 Marseille have in August?

In Marseille, the average day length in August is 13h and 55min.

When is the sunrise / sunset in August in Marseille?

In August, on the first day of the month, sunrise is at 06:28 and sunset at 21:01. On the last day of the month, sunrise is at 07:01 and sunset at 20:16 CEST.

How long on average sun shines in August in Marseille?

The average sunshine duration in August is 11.7h.

What is the month with the highest UV index in Marseille?

June through August, with an average maximum UV index of 6, are months with the highest UV index in Marseille, France.

How high is the UV index in August in Marseille?

In Marseille, the average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover

Average temperature in August
Marseille, France

Average temperature in August - Marseille, France
  • Average high temperature in August: 27.3°C

The warmest month (with the highest average high temperature) is August (27.3°C).
The month with the lowest average high temperature is January (10.4°C).

  • Average low temperature in August: 20.8°C

The month with the highest average low temperature is August (20.8°C).
The coldest month (with the lowest average low temperature) is February (6.1°C).

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Average pressure in August
Marseille, France

Average pressure in August - Marseille, France
  • Average pressure in August: 1015.8mbar

The month with the highest atmospheric pressure is December (1019.3mbar).
The month with the lowest atmospheric pressure is November (1014.2mbar).

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Average wind speed in August
Marseille, France

Average wind speed in August - Marseille, France
  • Average wind speed in August: 14.6km/h

The windiest month (with the highest average wind speed) is February (21.5km/h).
The calmest month (with the lowest average wind speed) is August (14.6km/h).

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Average humidity in August
Marseille, France

Average humidity in August - Marseille, France
  • Average humidity in August: 63%

The month with the highest relative humidity is November (75%).
The month with the lowest relative humidity is August (63%).

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Average rainfall in August
Marseille, France

Average rainfall in August - Marseille, France
  • Average rainfall in August: 14mm

The wettest month (with the highest rainfall) is November (77mm).
The driest month (with the least rainfall) is July (12mm).

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Average rainfall days in August
Marseille, France

Average rainfall days in August - Marseille, France
  • Average rainfall days in August: 5.6 days

The month with the highest number of rainy days is November (12.2 days).
The month with the least rainy days is July (4.8 days).

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Average snowfall in August
Marseille, France

Average snowfall in August - Marseille, France
  • Average snowfall in August: 0mm

The month with the highest snowfall is February (2mm).
The months with the least snowfall are January, April, May, June, July, August, September, October, November and December (0mm).

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Average snowfall days in August
Marseille, France

Average snowfall days in August - Marseille, France
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (0.8 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 in August
Marseille, France

Average sea temperature in August - Marseille, France
  • Average sea temperature in August: 21.9°C

The best months for swimming (with the highest average sea temperature) are August and September (21.9°C).
The coldest month (with the lowest average sea temperature) is February (12.9°C).

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Average daylight in August /
Average sunshine in August
Marseille, France

Average daylight in August / Average sunshine in August - Marseille, France
  • Average daylight in August: 13h and 55min

The month with the longest days is June (Average daylight: 15h and 20min).
The month with the shortest days is December (Average daylight: 9h and 2min).

  • Average sunshine in August: 11h and 42min

The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The months with the least sunshine are January and November (Average sunshine: 6h and 6min).

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Average sunshine days in August
Marseille, France

Average sunshine days in August - Marseille, France
  • Average sunshine days in August: 23.9 days

The month with the most sunshine days is July (24.3 days).
The month with the least sunshine days is April (16.3 days).

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Average UV index in August
Marseille, France

Average UV index in August - Marseille, France
  • Average UV index in August: 6

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).

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Average cloud cover in August
Marseille, France

Average cloud cover in August - Marseille, France
  • Average cloud cover in August: 10

The month with the most cloud cover is November (Cloud cover 34).
The months with the least cloud cover are July and August (Cloud cover 10).

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Average visibility in August
Marseille, France

Average visibility in August - Marseille, France
  • Average visibility in August: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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