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May Weather in Jacksonville, United States

Last updated: June 24, 2025

In Jacksonville, United States, the month of May brings an average temperature of 13°C (56°F). Expect temperatures to vary, with a minimum of 0°C (32°F) and soaring up to a maximum of 31°C (87°F). During this period, you can anticipate precipitation of 64 mm (2.5 in) spread over 8 days, and the air will feel quite humid, with an average humidity of 83%.

May Temperature in Jacksonville

In May in Jacksonville, the average temperature is 13°C (56°F). The maximum can reach 31°C (87°F) and the minimum can be as low as 0°C (32°F). This variation makes Jacksonville an ideal destination for travelers seeking both warm and cool experiences.

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

The chart illustrates May 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, May typically has an average temperature of 13°C (56°F), with highs reaching up to 31°C (87°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec393943495664717063524438
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.

May Precipitation in Jacksonville

In Jacksonville in May, the precipitation amount is 64 mm (2.5 in) over the course of 8 days.

May Precipitation Trends in Jacksonville

The chart displays monthly precipitation patterns in Jacksonville, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Jacksonville, May typically receives around 64 mm (2.5 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec13114211794643148424590107
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Jacksonville

In Jacksonville in May humidity is 83%. With an average temperature of 13°C (56°F), this humidity feels like a damp blanket wrapping around you, making travel a bit uncomfortable as the air feels heavy and the moisture clings to your skin.

May Average Humidity in Jacksonville

This chart illustrates the average monthly humidity levels in Jacksonville, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Jacksonville is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%85%86%83%83%83%78%67%66%77%87%87%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Jacksonville

In Jacksonville in May, 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 Jacksonville.

Maximum UV Index Levels in Jacksonville for May

The chart shows the monthly maximum UV Index (UVI) for Jacksonville in May, 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 May, the maximum UV index in Jacksonville typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3468101110108642
Data source: Jacksonville May 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 May 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 May’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 May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)131 mm (5.2 inches)84%moderate
February Weather4°C (40°F)142 mm (5.6 inches)85%moderate
March Weather6°C (44°F)117 mm (4.6 inches)86%high
April Weather10°C (49°F)94 mm (3.7 inches)83%very high
May Weather13°C (56°F)64 mm (2.5 inches)83%very high
June Weather18°C (64°F)31 mm (1.2 inches)83%extreme
July Weather22°C (71°F)3 mm (0.1 inches)78%very high
August Weather21°C (71°F)8 mm (0.3 inches)67%very high
September Weather17°C (63°F)42 mm (1.7 inches)66%very high
October Weather11°C (52°F)45 mm (1.8 inches)77%high
November Weather7°C (44°F)90 mm (3.5 inches)87%moderate
December Weather3°C (38°F)107 mm (4.2 inches)87%low

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