August weather forecast
Monte Carlo, Monaco

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A large fountain of water geysers in front of the Monte Carlo Casino in Monte Carlo, Monaco
A large fountain of water geysers in front of the Monte Carlo Casino in Monte Carlo, Monaco

Weather in August

August signals the waning phase of summer in Monte Carlo with only slight climate fluctuations. Remarkably, the city pushes through August with the highest sea temperatures registered at 23.7°C (74.7°F). Outdoor activities remain in full swing and beach days are common. The weather remains consistently warm, ensuring that outdoor dining and late-night strolls can be enjoyed comfortably. Despite August being toward the end of the summer season, sun-protective gear continues to be indispensable.

Temperature

Monte Carlo's August weather, with an average high temperature of 26.6°C (79.9°F) and an average low temperature of 19.3°C (66.7°F), tends to be the warmest of the year.

Rainfall

In Monte Carlo, in August, it is raining for 3.1 days, with typically 31mm (1.22") of accumulated precipitation. Throughout the year, in Monte Carlo, there are 62.7 rainfall days, and 769mm (30.28") of precipitation is accumulated.

Sea temperature

With an average sea temperature of 23.7°C (74.7°F), August is the month with the warmest seawater.
Note: While a person's sensitivity to cold is personal, factors like sunshine, wind, and the temperature can influence their comfort in 23.7°C (74.7°F) waters. Olympians, for perspective, swim in waters between 25°C (77°F) and 28°C (82.4°F).

Daylight

The average length of the day in August in Monte Carlo is 13h and 57min.
On the first day of the month, sunrise is at 06:19 and sunset at 20:53. On the last day of August, in Monte Carlo, Monaco, sunrise is at 06:53 and sunset at 20:07 CEST.

Sunshine

The average sunshine in August is 9.9h.

UV index

The average daily maximum UV index in August is 7. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: The UV index of 7 during August translates into the following guidance:
Take precautions against overexposure. Protection against sun damage is needed. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Opt for tightly woven and loose clothing to enhance protection from the Sun. Stay vigilant! UV rays get a boost in intensity due to sand and water reflections.
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Frequently asked questions

What is the hottest time of year in Monte Carlo?

Monte Carlo's August weather reaches an average high of 26.6°C (79.9°F) and an average low of 19.3°C (66.7°F), making it the warmest month.

What is the temperature in August in Monte Carlo?

In August, in Monte Carlo, the average high-temperature is 26.6°C (79.9°F), and the average low-temperature is 19.3°C (66.7°F).

How many days does it rain in August in Monte Carlo?

In August, the rain falls for 3.1 days. Throughout August, 31mm (1.22") of precipitation is accumulated.

When is the sea warmest in Monte Carlo?

With an average sea temperature of 23.7°C (74.7°F), August is the month with the warmest seawater in Monte Carlo, Monaco.

What is the sea temperature in August in Monte Carlo?

In Monte Carlo, Monaco, in August, the average water temperature is 23.7°C (74.7°F). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 23.7°C (74.7°F) water.

How many hours of daylight does Monte Carlo have in August?

In Monte Carlo, Monaco, the average day length in August is 13h and 57min.

When are sunrise and sunset in August in Monte Carlo?

In August, on the first day of the month, sunrise is at 06:19 and sunset at 20:53. On the last day of the month, sunrise is at 06:53 and sunset at 20:07 CEST.

How many hours of sunshine does Monte Carlo have in August?

The average sunshine duration in August in Monte Carlo is 9.9h.

What is the UV index intensity in August in Monte Carlo?

In August, the average daily maximum UV index in Monte Carlo is 7. A UV Index of 6 to 7 symbolizes a high hazard to health from exposure to Sun's UV rays.

Average temperature in August
Monte Carlo, Monaco

Average temperature in August - Monte Carlo, Monaco
  • Average high temperature in August: 26.6°C

The warmest month (with the highest average high temperature) is August (26.6°C).
The month with the lowest average high temperature is January (12.5°C).

  • Average low temperature in August: 19.3°C

The months with the highest average low temperature are July and August (19.3°C).
The coldest month (with the lowest average low temperature) is January (4.9°C).

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Average rainfall in August
Monte Carlo, Monaco

Average rainfall in August - Monte Carlo, Monaco
  • Average rainfall in August: 31.3mm

The wettest month (with the highest rainfall) is October (108.2mm).
The driest month (with the least rainfall) is July (15.6mm).

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Average rainfall days in August
Monte Carlo, Monaco

Average rainfall days in August - Monte Carlo, Monaco
  • Average rainfall days in August: 3.1 days

The month with the highest number of rainy days is November (7 days).
The month with the least rainy days is July (1.9 days).

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Average sea temperature in August
Monte Carlo, Monaco

Average sea temperature in August - Monte Carlo, Monaco
  • Average sea temperature in August: 23.7°C

The best month for swimming (with the highest average sea temperature) is August (23.7°C).
The coldest month (with the lowest average sea temperature) is February (13.1°C).

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Average daylight in August /
Average sunshine in August
Monte Carlo, Monaco

Average daylight in August / Average sunshine in August - Monte Carlo, Monaco
  • Average daylight in August: 13h and 5min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in August: 9h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).

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Average UV index in August
Monte Carlo, Monaco

Average UV index in August - Monte Carlo, Monaco
  • Average UV index in August: 7

The months with the highest UV index are June and July (UV index 8).
The months with the lowest UV index are January and December (UV index 1).

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Monte Carlo, Monaco

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