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March Weather in Jacksonville, United States

Last updated: June 24, 2025

In March, the average temperature in Jacksonville, United States hovers around 18°C (65°F). However, temperatures can fluctuate dramatically, with a minimum of -1°C (30°F) and a sizzling maximum of 35°C (95°F). Expect 41 mm (1.6 in) of precipitation over 6 days, and keep in mind that the average humidity is at a comfortable 78%.

March Temperature in Jacksonville

In March in Jacksonville, the average temperature is 18°C (65°F). The maximum can reach 35°C (95°F), while the minimum can be as low as -1°C (30°F). Pack for a wide range of weather when traveling to Jacksonville this month!

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

The chart illustrates March temperature patterns in Jacksonville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jacksonville, March typically has an average temperature of 18°C (65°F), with highs reaching up to 35°C (95°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec566264707679818180746359
Data source: Temperature data for Jacksonville 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 Jacksonville

In Jacksonville in March, the precipitation amount is 41 mm (1.6 in) over the course of 6 days.

March Precipitation Trends in Jacksonville

The chart displays monthly precipitation patterns in Jacksonville, 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 Jacksonville, March typically receives around 41 mm (1.6 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec4370417187157184164137776579
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Jacksonville

In Jacksonville in March, humidity is 78%. With an average temperature of 18°C (65°F), this humidity feels like a warm, enveloping blanket, making travel quite muggy and potentially uncomfortable, as it can leave you feeling sticky and fatigued more quickly than usual.

March Average Humidity in Jacksonville

This chart illustrates the average monthly humidity levels in Jacksonville, 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 Jacksonville is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%79%78%73%72%74%82%82%83%79%82%85%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Jacksonville

In Jacksonville in March, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Jacksonville.

Maximum UV Index Levels in Jacksonville for March

The chart shows the monthly maximum UV Index (UVI) for Jacksonville 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 Jacksonville typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec579111111111110865
Data source: Jacksonville 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 Jacksonville Compares to Other Months

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

This table compares monthly weather conditions in Jacksonville, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather13°C (56°F)43 mm (1.7 inches)84%moderate
February Weather17°C (62°F)70 mm (2.8 inches)79%high
March Weather18°C (65°F)41 mm (1.6 inches)78%very high
April Weather21°C (70°F)71 mm (2.8 inches)72%extreme
May Weather24°C (76°F)87 mm (3.4 inches)72%extreme
June Weather26°C (80°F)157 mm (6.2 inches)74%extreme
July Weather27°C (81°F)184 mm (7.2 inches)82%extreme
August Weather27°C (82°F)164 mm (6.4 inches)82%extreme
September Weather26°C (80°F)137 mm (5.4 inches)83%very high
October Weather24°C (75°F)77 mm (3.0 inches)79%very high
November Weather17°C (64°F)65 mm (2.6 inches)82%high
December Weather15°C (59°F)79 mm (3.1 inches)85%moderate

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