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May Weather in Jacksonville, United States

Last updated: June 24, 2025

In Jacksonville, United States, the average temperature in May is a delightful 24°C (75°F). However, be prepared for a range, as it can drop to a refreshing 7°C (46°F) and rise to a sizzling 36°C (97°F). Expect 148 mm (5.8 in) of precipitation spread over 13 days, with an average humidity level of 81% adding to the tropical feel.

May Temperature in Jacksonville

In May in Jacksonville, the average temperature is 24°C (75°F). Maximums can reach 36°C (97°F), and minimums can be as low as 7°C (46°F). This climate offers a diverse range of experiences, so be prepared for both warm days and cooler evenings during your travels.

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 24°C (75°F), with highs reaching up to 36°C (97°F) and lows dropping to around 7°C (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec495261667581848580705853
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 148 mm (5.8 in) occurring over the course of 13 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 148 mm (5.8 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec10914012013214810079798511165115
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 81%. With an average temperature of 24°C (75°F), this humidity feels like a warm, thick blanket enveloping you, making traveling a bit sticky and sweaty, yet still inviting for those who enjoy the rich, tropical atmosphere.

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 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%80%78%79%81%77%71%67%69%73%82%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 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 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 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec478101111121110864
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 Weather10°C (49°F)109 mm (4.3 inches)79%moderate
February Weather11°C (52°F)140 mm (5.5 inches)80%high
March Weather16°C (62°F)119 mm (4.7 inches)78%very high
April Weather19°C (66°F)132 mm (5.2 inches)79%very high
May Weather24°C (75°F)148 mm (5.8 inches)81%extreme
June Weather27°C (81°F)100 mm (4.0 inches)77%extreme
July Weather29°C (85°F)79 mm (3.1 inches)71%extreme
August Weather29°C (85°F)79 mm (3.1 inches)67%extreme
September Weather26°C (80°F)85 mm (3.3 inches)69%very high
October Weather21°C (70°F)111 mm (4.4 inches)73%very high
November Weather14°C (58°F)65 mm (2.5 inches)82%high
December Weather12°C (54°F)115 mm (4.5 inches)87%moderate

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