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April Weather in Naples, United States

Last updated: June 24, 2025

In Naples, United States, the average temperature in April hovers around 18°C (64°F), making it a comfortable time to explore. However, be prepared for a range of temperatures, as it can dip to a chilly 0°C (32°F) or heat up to a warm 32°C (90°F). This month also brings an average precipitation of 198 mm (7.8 in) spread over 10 days, so a raincoat might come in handy. With an average humidity of 79%, you'll feel the moist air enveloping you as you enjoy the sights!

April Temperature in Naples

In April in Naples, the average temperature is 18°C (64°F). Maximums can reach 32°C (90°F) and minimums can be as low as 0°C (32°F). This diverse temperature range makes Naples an ideal destination for travelers who enjoy both warm and cool conditions.

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

The chart illustrates April 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, April typically has an average temperature of 18°C (64°F), with highs reaching up to 32°C (90°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec464959647380838378675551
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.

April Precipitation in Naples

In Naples in April, the precipitation amount is 198 mm (7.8 in) over a span of 10 days.

April Precipitation Trends in Naples

The chart displays monthly precipitation patterns in Naples, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Naples, April typically receives around 198 mm (7.8 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec10314613119916410379848612067118
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Naples

In Naples in April, humidity is 79%. With an average temperature of 18°C (64°F), this humidity feels like a warm, sticky embrace that can make outdoor activities more challenging but also creates a lush, vibrant atmosphere that's perfect for exploring local culture and scenery.

April Average Humidity in Naples

This chart illustrates the average monthly humidity levels in Naples, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Naples is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%80%78%79%81%77%72%65%63%70%82%88%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Naples

In Naples in April, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Naples.

Maximum UV Index Levels in Naples for April

The chart shows the monthly maximum UV Index (UVI) for Naples in April, 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 April, the maximum UV index in Naples typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec478101112111110864
Data source: Naples April 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 April 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 April’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 April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (47°F)102 mm (4.0 inches)82%moderate
February Weather9°C (49°F)146 mm (5.8 inches)80%high
March Weather15°C (59°F)130 mm (5.1 inches)78%very high
April Weather18°C (64°F)198 mm (7.8 inches)79%very high
May Weather23°C (73°F)163 mm (6.4 inches)81%extreme
June Weather27°C (80°F)103 mm (4.1 inches)77%extreme
July Weather28°C (84°F)79 mm (3.1 inches)72%extreme
August Weather28°C (83°F)83 mm (3.3 inches)65%extreme
September Weather26°C (78°F)86 mm (3.4 inches)63%very high
October Weather20°C (67°F)120 mm (4.7 inches)70%very high
November Weather13°C (55°F)67 mm (2.6 inches)82%high
December Weather10°C (51°F)118 mm (4.6 inches)88%moderate

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