August weather forecast
Naples, Italy

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A distant view of Mount Vesuvius, from Naples in Italy, with a beautiful blue waterfront
A distant view of Mount Vesuvius, from Naples in Italy, with a beautiful blue waterfront

Weather in August

August extends the reign of summer in Naples. It closely matches July’s weather conditions with slight nuances. The high temperatures continue to persist, albeit with a marginal drop, and rainfall maintains the minimal values of 8mm (0.31"), marking it as the driest month of the year. The calm wind, warm sea, and abundant sunshine create the perfect conditions for beach activities and summer enjoyment.

Temperature

August, with an average high of 30°C (86°F) and a low of 22.7°C (72.9°F), signifies the warmest month of the year.

Heat index

In August, the heat index is calculated to be a tropical 33°C (91.4°F). Greater safety measures are needed, risk of heat exhaustion and heat cramps is high. Continuous activity might trigger heatstroke.
Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'felt air temperature', arises from combining readings of air temperature and relative moisture content. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.

Humidity

August is the least humid month, with an average relative humidity of 61%.

Rainfall

The month with the least rainfall in Naples is August, when the rain falls for 5.2 days and typically collects 8mm (0.31") of precipitation.

Snowfall

In Naples, snow does not fall in March through December.

Sea temperature

August is the month with the warmest seawater, with an average sea temperature of 26°C (78.8°F).
Note: Water activities in surface temperatures between 25°C (77°F) and 29°C (84.2°F) are seen as exceptional and extremely agreeable for lengthened time spans.

Daylight

The average length of the day in August is 13h and 46min.
On the first day of the month, sunrise is at 05:59 and sunset at 20:18. On the last day of August, in Naples, sunrise is at 06:29 and sunset at 19:36 CEST.

Sunshine

In Naples, Italy, the average sunshine in August is 12h.

UV index

In August, the average daily maximum UV index in Naples is 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the average person.
Note: In August, a regular UV index of 6 translates into these guidelines:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Be mindful! Sand and water reflections can up the Sun's UV exposure.

Frequently asked questions

What is the hottest time of year in Naples?

August, recognised by an average high temperature of 30°C (86°F) and a low of 22.7°C (72.9°F), is Naples's warmest month.

Is it hot in Naples during August?

During August, Naples experiences an average high-temperature of 30°C (86°F) and a low-temperature of 22.7°C (72.9°F). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, in August is calculated to be 33°C (91.4°F).

What is the least humid month in Naples?

With an average relative humidity of 61%, August is the least humid month in Naples, Italy.

What is the average humidity in August in Naples?

In August, the average relative humidity is 61%.

What is the driest month in Naples?

August is the month with the least rainfall. Rain falls for 5.2 days and accumulates 8mm (0.31") of precipitation.

How many days does it rain in August in Naples?

In Naples, in August, it is raining for 5.2 days, with typically 8mm (0.31") of accumulated precipitation.

When it does not snow in Naples?

March through December are months without snowfall in Naples.

When is the sea warmest in Naples?

August is the month with the warmest seawater in Naples, with an average sea temperature of 26°C (78.8°F).

What is the sea water temperature in August in Naples?

In Naples, the average seawater temperature in August is 26°C (78.8°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

What is the average length of the day in August in Naples?

In Naples, Italy, the average day length in August is 13h and 46min.

When are sunrise and sunset in August in Naples?

On the first day of August in Naples, sunrise is at 05:59 and sunset at 20:18. On the last day of the month, sunrise is at 06:29 and sunset at 19:36 CEST.

How many hours of sunshine does Naples have in August?

The average sunshine duration in August in Naples, Italy, is 12h.

What is the UV index intensity in August in Naples?

In August, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health risk from 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 temperature in August
Naples, Italy

Average temperature in August - Naples, Italy
  • Average high temperature in August: 30°C

The warmest month (with the highest average high temperature) is August (30°C).
The month with the lowest average high temperature is January (12.3°C).

  • Average low temperature in August: 22.7°C

The month with the highest average low temperature is August (22.7°C).
The coldest months (with the lowest average low temperature) are January and February (7.8°C).

Average pressure in August
Naples, Italy

Average pressure in August - Naples, Italy
  • Average pressure in August: 1014.6mbar

The month with the highest atmospheric pressure is December (1018.4mbar).
The month with the lowest atmospheric pressure is April (1014mbar).

Average wind speed in August
Naples, Italy

Average wind speed in August - Naples, Italy
  • Average wind speed in August: 8.7km/h

The windiest month (with the highest average wind speed) is February (13.9km/h).
The calmest month (with the lowest average wind speed) is August (8.7km/h).

Average humidity in August
Naples, Italy

Average humidity in August - Naples, Italy
  • Average humidity in August: 61%

The months with the highest relative humidity are January and November (73%).
The month with the lowest relative humidity is August (61%).

Average rainfall in August
Naples, Italy

Average rainfall in August - Naples, Italy
  • Average rainfall in August: 8mm

The wettest month (with the highest rainfall) is November (114mm).
The driest month (with the least rainfall) is August (8mm).

Average rainfall days in August
Naples, Italy

Average rainfall days in August - Naples, Italy
  • Average rainfall days in August: 5.2 days

The month with the highest number of rainy days is January (15.4 days).
The months with the least rainy days are July and August (5.2 days).

Average snowfall in August
Naples, Italy

Average snowfall in August - Naples, Italy
  • Average snowfall in August: 0mm

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

Average snowfall days in August
Naples, Italy

Average snowfall days in August - Naples, Italy
  • Average snowfall days in August: 0 days

The months with the highest number of snowfall days are January and February (0.4 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).

Average sea temperature in August
Naples, Italy

Average sea temperature in August - Naples, Italy
  • Average sea temperature in August: 26°C

The best month for swimming (with the highest average sea temperature) is August (26°C).
The coldest month (with the lowest average sea temperature) is February (13.9°C).

Average daylight in August /
Average sunshine in August
Naples, Italy

Average daylight in August / Average sunshine in August - Naples, Italy
  • Average daylight in August: 13h and 5min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in August: 12h and 0min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).

Average sunshine days in August
Naples, Italy

Average sunshine days in August - Naples, Italy
  • Average sunshine days in August: 23.6 days

The month with the most sunshine days is July (24 days).
The month with the least sunshine days is February (11.1 days).

Average UV index in August
Naples, Italy

Average UV index in August - Naples, Italy
  • Average UV index in August: 6

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).

Average cloud cover in August
Naples, Italy

Average cloud cover in August - Naples, Italy
  • Average cloud cover in August: 9

The month with the most cloud cover is January (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 9).

Average visibility in August
Naples, Italy

Average visibility in August - Naples, Italy
  • 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).

Naples, Italy

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