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), with a wide range that can dip as low as 6°C (43°F) and soar up to 38°C (100°F). Expect precipitation of approximately 122 mm (4.8 in) over 11 days, contributing to a comforting average humidity level of 81%.

May Temperature in Jacksonville

In May in Jacksonville, the average temperature is 22°C (72°F). Maximum temperatures can reach up to 38°C (100°F), while the minimum can drop as low as 6°C (43°F). Travelers should be prepared for a wide range of temperatures, making it essential to pack accordingly for both warm and cool conditions.

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 38°C (100°F) and lows dropping to around 6°C (43°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 total precipitation amount is 122 mm (4.8 in) over a span of 11 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 122 mm (4.8 inches) of precipitation spread over approximately 11 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 81%. With an average temperature of 22°C (72°F), this humidity feels like a warm, enveloping blanket, making traveling feel both lush and a bit stifling, as the air clings to your skin and every step is accompanied by a gentle sheen of moisture.

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.

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	8°C (47°F)	73 mm (2.9 inches)	85%	moderate
February Weather	11°C (52°F)	98 mm (3.8 inches)	82%	high
March Weather	13°C (55°F)	67 mm (2.6 inches)	81%	very high
April Weather	17°C (63°F)	114 mm (4.5 inches)	80%	very high
May Weather	22°C (72°F)	122 mm (4.8 inches)	81%	extreme
June Weather	25°C (77°F)	191 mm (7.5 inches)	81%	extreme
July Weather	27°C (80°F)	176 mm (6.9 inches)	81%	extreme
August Weather	26°C (79°F)	215 mm (8.5 inches)	80%	very high
September Weather	24°C (76°F)	224 mm (8.8 inches)	79%	very high
October Weather	20°C (68°F)	69 mm (2.7 inches)	80%	very high
November Weather	13°C (55°F)	110 mm (4.3 inches)	85%	high
December Weather	10°C (50°F)	116 mm (4.6 inches)	86%	moderate