October Weather in Jacksonville, United States

Last updated: June 24, 2025

In October, the average temperature in Jacksonville, United States is a pleasant 18°C (65°F). However, be prepared for fluctuations, as temperatures can dip as low as -1°C (31°F) or soar to a scorching 35°C (96°F). Expect about 108 mm (4.3 in) of precipitation over 9 days, contributing to an average humidity of 76%—perfect for a refreshing, albeit humid, experience!

October Temperature in Jacksonville

In October in Jacksonville, the average temperature is 18°C (65°F). Maximums can reach 35°C (96°F), and minimums can be as low as -1°C (31°F). This wide temperature range means travelers should be prepared for both warm days and cooler nights.

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

The chart illustrates October 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, October typically has an average temperature of 18°C (65°F), with highs reaching up to 35°C (96°F) and lows dropping to around -1°C (31°F).

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

October Precipitation in Jacksonville

In Jacksonville in October, the precipitation amount is 108 mm (4.3 in) spread over 9 days.

October Precipitation Trends in Jacksonville

The chart displays monthly precipitation patterns in Jacksonville, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Jacksonville, October typically receives around 108 mm (4.3 inches) of precipitation spread over approximately 9 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

October Humidity in Jacksonville

In Jacksonville in October, humidity is 76%. With an average temperature of 18°C (65°F), this humidity feels like a warm embrace, making travel a little sticky but enjoyable, as long as you stay hydrated and take breaks in the shade.

October Average Humidity in Jacksonville

This chart illustrates the average monthly humidity levels in Jacksonville, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Jacksonville is approximately 76%, offering insight into how humid the weather typically is during this month.

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

October UV Index in Jacksonville

In Jacksonville in October, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Jacksonville.

Maximum UV Index Levels in Jacksonville for October

The chart shows the monthly maximum UV Index (UVI) for Jacksonville in October, 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 October, the maximum UV index in Jacksonville typically reaches 7, which falls under the high exposure category.

Data source: Jacksonville October 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 October 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 October’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 October’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