August weather forecast
Naples, Italy

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

The last month of the summer, August, is a tropical month in Naples, Italy, with an average temperature varying between 22.7°C (72.9°F) and 30°C (86°F).
An excellent water temperature of 26°C (78.8°F) and only 5.2 rainfall days, with 8mm (0.31") of accumulated rainfall, makes August a prime for swimming and other water activities.

Temperature

August is the warmest month in Naples, with an average high-temperature of 30°C (86°F) and an average low-temperature of 22.7°C (72.9°F).

Heat index

In August, the average heat index is appraised at a hot 33°C (91.4°F). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'felt air temperature', 'real feel', or 'feels like', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. Additional factors like activity, metabolic differences, pregnancy, and wind affect individual temperature impact. Bear in mind that direct sunshine exposure increases weather impact, and may raise 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

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

Rainfall

The month with the least rainfall 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

The month with the warmest seawater in Naples is August, with an average sea temperature of 26°C (78.8°F).
Note: For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

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 20:19. On the last day of August, sunrise is at 06:28 and sunset at 19:37 CEST.

Sunshine

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

UV index

In Naples, the average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the ordinary person.
Note: The average daily UV index of 6 in August transform into the following instructions:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. 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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.
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FAQ

What is the warmest month in Naples?

With an average high-temperature of 30°C (86°F) and an average low-temperature of 22.7°C (72.9°F), August is the warmest month.

What is the temperature in August in Naples?

In August, in Naples, the average high-temperature is 30°C (86°F), and the average low-temperature is 22.7°C (72.9°F). The average heat index (a.k.a. 'feels like', 'real feel'), which represents the influence of relative humidity on air temperature, in August is appraised at 33°C (91.4°F).

What is the least humid month in Naples?

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

What is the average humidity in August in Naples?

In August, the average relative humidity in Naples is 61%.

What is the driest month in Naples?

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.

How many days does it rain in August in Naples?

In August, the rain falls for 5.2 days. Throughout August, 8mm (0.31") of precipitation is accumulated.

When it does not snow in Naples?

March through December are months without snowfall.

What is the month with the warmest sea water in Naples?

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

What is the water temperature in August in Naples?

In August, the average sea temperature is 26°C (78.8°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

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

In Naples, 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, Italy, sunrise is at 05:59 and sunset at 20:19. On the last day of the month, sunrise is at 06:28 and sunset at 19:37 CEST.

How long on average sun shines in August in Naples?

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

How high is the UV index in August in Naples?

In August, the average daily maximum UV index in Naples is 6. A UV Index of 6 to 7 symbolizes a high hazard to health 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
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).

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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).

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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).

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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%).

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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).

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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).

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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).

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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).

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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).

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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 46min

The month with the longest days is June (Average daylight: 15h and 4min).
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).

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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).

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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).

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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).

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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).

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