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July Weather in Jacksonville, United States

Last updated: June 24, 2025

In July, the average temperature in Jacksonville, United States is a pleasant 25°C (78°F). You'll experience a comfortable range with minimum temperatures dipping to 14°C (57°F) and peaking at a warm 35°C (96°F). However, don’t forget your umbrella! With an average precipitation of 103 mm (4.0 in) spread over 10 days, humidity can reach up to 81%, making it feel quite tropical.

July Temperature in Jacksonville

In July in Jacksonville, the average temperature is 25°C (78°F). The maximum can reach 35°C (96°F), and the minimum can be as low as 14°C (57°F). This makes Jacksonville an ideal destination for travelers seeking pleasant weather and diverse activities during this time.

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 25°C (78°F), with highs reaching up to 35°C (96°F) and lows dropping to around 14°C (57°F).
JanFebMarAprMayJunJulAugSepOctNovDec293244536675787571574236
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.

July Precipitation in Jacksonville

In Jacksonville in July, the precipitation amount is 103 mm (4.0 in) over a span of 10 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 103 mm (4.0 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec676413712315012310391641026648
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Jacksonville

In Jacksonville in July humidity is 81%. With an average temperature of 25°C (78°F), this humidity feels like a warm, heavy blanket enveloping you, making outdoor activities less comfortable and requiring frequent breaks to stay hydrated.

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.
JanFebMarAprMayJunJulAugSepOctNovDec82%80%80%80%82%83%81%80%76%76%85%86%
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.
JanFebMarAprMayJunJulAugSepOctNovDec357910111199643
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.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)67 mm (2.6 inches)82%moderate
February Weather0°C (32°F)64 mm (2.5 inches)80%moderate
March Weather7°C (44°F)137 mm (5.4 inches)80%high
April Weather11°C (53°F)123 mm (4.8 inches)80%very high
May Weather19°C (66°F)150 mm (5.9 inches)82%very high
June Weather24°C (75°F)123 mm (4.9 inches)83%extreme
July Weather25°C (78°F)103 mm (4.0 inches)81%extreme
August Weather24°C (75°F)91 mm (3.6 inches)80%very high
September Weather22°C (71°F)64 mm (2.5 inches)76%very high
October Weather14°C (57°F)102 mm (4.0 inches)76%high
November Weather6°C (42°F)66 mm (2.6 inches)85%moderate
December Weather2°C (37°F)48 mm (1.9 inches)86%moderate

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