July Weather in Jacksonville, United States

Last updated: June 24, 2025

In Jacksonville, United States, the average temperature in July typically reaches a warm 28°C (82°F). With a minimum of 18°C (64°F) and a scorching maximum of 38°C (101°F), this month can bring a delightful range of weather. Expect to see about 106 mm (4.2 in) of precipitation over 11 days, while humidity hovers around an average of 81%. Be prepared for a mix of sun and occasional showers!

July Temperature in Jacksonville

In July in Jacksonville, the average temperature is 28°C (82°F), with maximums reaching up to 38°C (101°F) and minimums dropping as low as 18°C (64°F). This makes it an ideal time to explore Jacksonville, perfect for enjoying outdoor activities while staying cool.

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

The chart illustrates July 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, July typically has an average temperature of 28°C (82°F), with highs reaching up to 38°C (101°F) and lows dropping to around 18°C (64°F).

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

July Precipitation in Jacksonville

In Jacksonville in July, the precipitation amount is 106 mm (4.2 in) spread over a duration of 11 days.

July Precipitation Trends in Jacksonville

The chart displays monthly precipitation patterns in Jacksonville, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Jacksonville, July typically receives around 106 mm (4.2 inches) of precipitation spread over approximately 11 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

July Humidity in Jacksonville

In Jacksonville in July, humidity is 81%. With an average temperature of 28°C (82°F), this humidity feels like a warm blanket wrapped around you, making traveling somewhat uncomfortable as the air thickens, leaving you longing for a refreshing breeze.

July Average Humidity in Jacksonville

This chart illustrates the average monthly humidity levels in Jacksonville, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Jacksonville is approximately 81%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Jacksonville

In Jacksonville in July, 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 July

The chart shows the monthly maximum UV Index (UVI) for Jacksonville in July, 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 July, the maximum UV index in Jacksonville typically reaches 11, which falls under the extreme exposure category.

Data source: Jacksonville July 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 July 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 July’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 July’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