August weather forecast
Marseille, France

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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

August offers the warmest sea temperature of the year at 21.9°C (71.4°F), attracting swimmers and water sports enthusiasts. Balmy temperatures, clear skies, and relatively low chances of rainfall come together to maintain a summertime charm in Marseille. The daylight hours start to cease, hinting at the approaching autumn. The wind speed decreases to 14.6km/h (9.1mph), letting the warmth of the sun envelope the city. August represents the last spell of the Marseille summer, overflowing with outdoor events and festivities.

Temperature

Temperature readings reach their annual highs in August, averaging 27.3°C (81.1°F) and a minimum average of 20.8°C (69.4°F).

Heat index

The average heat index in August is calculated to be 29°C (84.2°F). A sense of exhaustion might occur with extended exposure and activity, potentially causing heat cramps.
Be advised, the heat index considers values for conditions in shade and with a light breeze. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly 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

August is the least humid month in Marseille, with an average relative humidity of 63%.

Rainfall

In Marseille, in August, it is raining for 5.6 days, with typically 14mm (0.55") of accumulated precipitation. In Marseille, during the entire year, the rain falls for 106.6 days and collects up to 428mm (16.85") of precipitation.

Snowfall

January, April through December are months without snowfall in Marseille.

Sea temperature

The months with the warmest seawater are August and September, with an average sea temperature of 21.9°C (71.4°F).
Note: The majority of individuals find it unpleasurable to swim in 21.9°C (71.4°F). It becomes progressively harder to manage one's breathing as the water temperature falls 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, France, sunrise is at 06:29 and sunset at 21:00. On the last day of the month, sunrise is at 07:02 and sunset at 20:15 CEST.

Sunshine

In Marseille, the average sunshine in August is 11.7h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index in Marseille. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: An average maximum UV index of 6 in August leads to these recommendations:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Stay cautious! Sand and water reflections increase UV radiation potency.
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Frequently asked questions

What month is the hottest in Marseille?

The average temperatures in Marseille reach their apex in August, averaging 27.3°C (81.1°F) at the high end and 20.8°C (69.4°F) at the low end.

What is the temperature in August in Marseille?

The high-temperature, in August, in Marseille, records 27.3°C (81.1°F), while the low-temperature is 20.8°C (69.4°F). In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is calculated to be 29°C (84.2°F).

What is the least humid month in Marseille?

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

What is the average humidity in August in Marseille?

In August, the average relative humidity 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?

January, April through December are months without snowfall.

What are the months with the warmest sea water 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 August, the average sea temperature in Marseille, France, is 21.9°C (71.4°F). For most, swimming in 21.9°C (71.4°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).

How many hours of daylight does Marseille have in August?

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

When are sunrise and sunset in August in Marseille?

On the first day of August in Marseille, France, sunrise is at 06:29 and sunset at 21:00. On the last day of the month, sunrise is at 07:02 and sunset at 20:15 CEST.

How long on average sun shines in August in Marseille?

In August, the average sunshine duration is 11.7h.

What are the months 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?

The average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
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 5min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in August: 11h and 4min

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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Marseille, France

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