July Weather in Jacksonville, United States

Last updated: June 24, 2025

In July, the average temperature in Jacksonville, United States hovers around 23°C (74°F), offering a comfortable climate for visitors. However, temperatures can fluctuate, with minimums dipping to 11°C (53°F) and soaring up to 35°C (95°F). Expect some rainfall, as 129 mm (5.1 in) of precipitation falls over approximately 15 days. Additionally, the average humidity sits at a relatively high 74%, creating a warm and humid atmosphere.

July Temperature in Jacksonville

In July in Jacksonville, the average temperature is 23°C (74°F). Maximum temperatures can reach 35°C (95°F), while minimums can dip to as low as 11°C (53°F). This makes it a perfect time for travelers to enjoy the pleasant weather while exploring the attractions.

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 23°C (74°F), with highs reaching up to 35°C (95°F) and lows dropping to around 11°C (53°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 129 mm (5.1 in) over a span of 15 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 129 mm (5.1 inches) of precipitation spread over approximately 15 days.

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

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Millimeters (mm) Inches (in)

July Humidity in Jacksonville

In Jacksonville in July humidity is 74%. With an average temperature of 23°C (74°F), this humidity feels like a warm, enveloping blanket, making outdoor activities a bit sticky and potentially exhausting, so travelers should stay hydrated and take frequent breaks in the shade.

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 74%, 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 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 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 10, which falls under the very high 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	-1°C (30°F)	96 mm (3.8 inches)	89%	moderate
February Weather	1°C (34°F)	130 mm (5.1 inches)	90%	moderate
March Weather	5°C (41°F)	111 mm (4.4 inches)	89%	high
April Weather	10°C (51°F)	132 mm (5.2 inches)	88%	very high
May Weather	16°C (61°F)	157 mm (6.2 inches)	80%	very high
June Weather	20°C (69°F)	136 mm (5.3 inches)	79%	very high
July Weather	23°C (74°F)	129 mm (5.1 inches)	74%	very high
August Weather	22°C (72°F)	84 mm (3.3 inches)	64%	very high
September Weather	19°C (66°F)	123 mm (4.9 inches)	67%	very high
October Weather	13°C (56°F)	116 mm (4.6 inches)	81%	high
November Weather	5°C (41°F)	95 mm (3.7 inches)	89%	moderate
December Weather	2°C (36°F)	109 mm (4.3 inches)	88%	low