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July Weather in Jacksonville, United States

Last updated: June 24, 2025

In Jacksonville, United States, the average temperature in July typically hovers around 27°C (80°F). During this time, temperatures can dip as low as 17°C (63°F) and soar to a maximum of 36°C (97°F). Expect 105 mm (4.1 in) of precipitation spread over 15 days, and be prepared for a humidity level of 77% that might add a touch of stickiness to the warm air.

July Temperature in Jacksonville

In July in Jacksonville, the average temperature is 27°C (80°F), with maximums reaching 36°C (97°F) and minimums dropping as low as 17°C (63°F). This makes it an ideal time for travelers seeking warm weather and outdoor activities.

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 27°C (80°F), with highs reaching up to 36°C (97°F) and lows dropping to around 17°C (63°F).
JanFebMarAprMayJunJulAugSepOctNovDec465257637277807975665249
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 total precipitation amount is 105 mm (4.1 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 105 mm (4.1 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec1091591281491071231051368412283140
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 77%. With an average temperature of 27°C (80°F), this humidity feels like walking through a warm, damp blanket that clings to your skin, making outdoor activities feel more strenuous and requiring frequent breaks and hydration for comfort.

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 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%84%82%82%81%77%77%72%73%73%85%88%
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.
JanFebMarAprMayJunJulAugSepOctNovDec478101111111010864
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 Weather8°C (46°F)109 mm (4.3 inches)85%moderate
February Weather11°C (52°F)159 mm (6.2 inches)84%high
March Weather14°C (57°F)128 mm (5.0 inches)82%very high
April Weather17°C (63°F)149 mm (5.9 inches)82%very high
May Weather22°C (72°F)107 mm (4.2 inches)81%extreme
June Weather25°C (77°F)122 mm (4.8 inches)77%extreme
July Weather27°C (80°F)105 mm (4.1 inches)77%extreme
August Weather26°C (79°F)136 mm (5.3 inches)72%very high
September Weather24°C (76°F)84 mm (3.3 inches)73%very high
October Weather19°C (67°F)122 mm (4.8 inches)73%very high
November Weather11°C (53°F)83 mm (3.3 inches)85%high
December Weather9°C (49°F)140 mm (5.5 inches)88%moderate

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