March Weather in Naples, United States

Last updated: June 24, 2025

In March, the average temperature in Naples, United States hovers around 15°C (59°F). Expect a range that can dip to a chilly -6°C (22°F) and soar up to a warm 30°C (86°F). Precipitation is fairly common, with about 130 mm (5.1 in) expected over 13 days. Additionally, the average humidity levels around 78% can make the atmosphere feel quite muggy.

March Temperature in Naples

In March in Naples, the average temperature is 15°C (59°F). Maximum temperatures can reach 30°C (86°F), while minimum temperatures can drop as low as -6°C (22°F). This makes Naples an ideal destination for travelers looking to experience a mix of warm days and cooler nights.

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

The chart illustrates March 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, March typically has an average temperature of 15°C (59°F), with highs reaching up to 30°C (86°F) and lows dropping to around -6°C (22°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.

March Precipitation in Naples

In Naples in March, the precipitation amount is 130 mm (5.1 in) spread over 13 days.

March Precipitation Trends in Naples

The chart displays monthly precipitation patterns in Naples, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Naples, March typically receives around 130 mm (5.1 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec10314613119916410379848612067118
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Naples

In Naples in March, humidity is 78%. With an average temperature of 15°C (59°F), this humidity feels like a warm, enveloping blanket that clings to your skin, making outdoor activities a bit more tiring and requiring frequent breaks for hydration as you explore the area.

March Average Humidity in Naples

This chart illustrates the average monthly humidity levels in Naples, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in Naples is approximately 78%, 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 March generated using information from the Copernicus Climate Change Service.

March UV Index in Naples

In Naples in March, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Naples.

Maximum UV Index Levels in Naples for March

The chart shows the monthly maximum UV Index (UVI) for Naples in March, 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 March, the maximum UV index in Naples typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec478101112111110864
Data source: Naples March 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 March 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 March’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 March’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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