May Weather in Jacksonville, United States

Last updated: June 24, 2025

In May, the average temperature in Jacksonville, United States hovers around 22°C (72°F), offering a pleasant climate for visitors. However, temperatures can vary significantly, with a minimum of 8°C (47°F) and a maximum reaching 34°C (94°F). Expect 165 mm (6.5 in) of precipitation spread over 13 days, and humidity is typically high at 83%, creating a lush and vibrant atmosphere.

May Temperature in Jacksonville

In May in Jacksonville, the average temperature is 22°C (72°F). The maximum can reach 34°C (94°F), and the minimum can be as low as 8°C (47°F). This makes Jacksonville an ideal destination for travelers seeking a comfortable climate with a mix of warm and cooler days.

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 22°C (72°F), with highs reaching up to 34°C (94°F) and lows dropping to around 8°C (47°F).

Data source: Temperature data for Jacksonville generated using information from the Copernicus Climate Change Service.

May Precipitation in Jacksonville

In Jacksonville in May, the precipitation amount is 165 mm (6.5 in) spread over 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 165 mm (6.5 inches) of precipitation spread over approximately 13 days.

Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

May Humidity in Jacksonville

In Jacksonville in May humidity is 83%. With average temperature 22°C (72°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities challenging and prompting travelers to seek shade or frequent stops for hydration.

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.

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.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	6°C (43°F)	92 mm (3.6 inches)	84%	moderate
February Weather	8°C (46°F)	153 mm (6.0 inches)	83%	high
March Weather	13°C (56°F)	159 mm (6.3 inches)	81%	very high
April Weather	16°C (62°F)	166 mm (6.5 inches)	81%	very high
May Weather	22°C (72°F)	165 mm (6.5 inches)	83%	extreme
June Weather	26°C (79°F)	103 mm (4.0 inches)	83%	extreme
July Weather	28°C (82°F)	106 mm (4.2 inches)	81%	extreme
August Weather	27°C (81°F)	111 mm (4.4 inches)	74%	very high
September Weather	25°C (77°F)	94 mm (3.7 inches)	71%	very high
October Weather	18°C (65°F)	108 mm (4.3 inches)	76%	high
November Weather	11°C (52°F)	77 mm (3.0 inches)	84%	moderate
December Weather	9°C (48°F)	151 mm (6.0 inches)	88%	moderate