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August Weather in Naples, United States

Last updated: June 24, 2025

In Naples, United States, the average temperature in August is a pleasant 23°C (73°F). Expect cool nights with temperatures dipping to a minimum of 8°C (47°F), while daytime highs can reach a scorching 37°C (99°F). During this month, you can anticipate a modest amount of precipitation at 18 mm (0.7 in), typically spread over just 3 days. With an average humidity of 41%, it’s the perfect time to enjoy the outdoors!

August Temperature in Naples

In August in Naples, the average temperature is 23°C (73°F), with maximums reaching 37°C (99°F) and minimums dropping as low as 8°C (47°F). This makes it an ideal time for travelers seeking pleasant weather along with a variety of temperatures for different activities.

August Weather in Naples: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Naples, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Naples, August typically has an average temperature of 23°C (73°F), with highs reaching up to 37°C (99°F) and lows dropping to around 8°C (47°F).
JanFebMarAprMayJunJulAugSepOctNovDec202536465770767364463725
Data source: Temperature data for Naples generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Naples

In Naples in August, the precipitation amount is 18 mm (0.7 in) over a span of 3 days.

August Precipitation Trends in Naples

The chart displays monthly precipitation patterns in Naples, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Naples, August typically receives around 18 mm (0.7 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec263840313317111819352328
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Naples

In Naples in August, humidity is 41%. With an average temperature of 23°C (73°F), this humidity feels like a pleasantly warm embrace, making it enjoyable for traveling as long as one stays hydrated and takes breaks in the shade.

August Average Humidity in Naples

This chart illustrates the average monthly humidity levels in Naples, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Naples is approximately 41%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%93%85%73%64%57%45%41%50%70%84%90%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Naples

In Naples in August, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Naples.

Maximum UV Index Levels in Naples for August

The chart shows the monthly maximum UV Index (UVI) for Naples in August, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In August, the maximum UV index in Naples typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec368101112121110753
Data source: Naples August UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How August Weather in Naples Compares to Other Months

Weather in Naples varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Naples, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Naples, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (21°F)26 mm (1.0 inches)92%moderate
February Weather-4°C (25°F)38 mm (1.5 inches)93%high
March Weather2°C (37°F)40 mm (1.6 inches)85%very high
April Weather8°C (46°F)31 mm (1.2 inches)73%very high
May Weather14°C (57°F)33 mm (1.3 inches)64%extreme
June Weather21°C (70°F)17 mm (0.7 inches)57%extreme
July Weather25°C (77°F)11 mm (0.4 inches)45%extreme
August Weather23°C (73°F)18 mm (0.7 inches)41%extreme
September Weather18°C (64°F)19 mm (0.8 inches)50%very high
October Weather8°C (46°F)35 mm (1.4 inches)70%high
November Weather3°C (37°F)22 mm (0.9 inches)84%moderate
December Weather-4°C (25°F)28 mm (1.1 inches)90%moderate

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