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October Weather in Jacksonville, United States

Last updated: June 24, 2025

In October, the average temperature in Jacksonville, United States is a pleasant 21°C (70°F), but be prepared for a wide range, with minimums dropping to 1°C (33°F) and maximums soaring to 36°C (98°F). Expect about 111 mm (4.4 in) of precipitation spread over 10 days, contributing to an average humidity level of 73%.

October Temperature in Jacksonville

In October in Jacksonville, the average temperature is 21°C (70°F). Maximums can reach 36°C (98°F) and minimums can be as low as 1°C (33°F). Be prepared for a wide range of temperatures during your travels, so pack accordingly!

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 21°C (70°F), with highs reaching up to 36°C (98°F) and lows dropping to around 1°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec495261667581848580705853
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.

October Precipitation in Jacksonville

In Jacksonville in October, the precipitation amount is 111 mm (4.4 in) over a span of 10 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 111 mm (4.4 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec10914012013214810079798511165115
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Jacksonville

In Jacksonville in October, humidity is 73%. With an average temperature of 21°C (70°F), this humidity feels like a warm embrace that can make outdoor activities feel sweltering, so it's essential to stay hydrated and take breaks in the shade while exploring.

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 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%80%78%79%81%77%71%67%69%73%82%87%
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 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to 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 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec478101111121110864
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.
 TemperaturePrecipitationHumidityUV
January Weather10°C (49°F)109 mm (4.3 inches)79%moderate
February Weather11°C (52°F)140 mm (5.5 inches)80%high
March Weather16°C (62°F)119 mm (4.7 inches)78%very high
April Weather19°C (66°F)132 mm (5.2 inches)79%very high
May Weather24°C (75°F)148 mm (5.8 inches)81%extreme
June Weather27°C (81°F)100 mm (4.0 inches)77%extreme
July Weather29°C (85°F)79 mm (3.1 inches)71%extreme
August Weather29°C (85°F)79 mm (3.1 inches)67%extreme
September Weather26°C (80°F)85 mm (3.3 inches)69%very high
October Weather21°C (70°F)111 mm (4.4 inches)73%very high
November Weather14°C (58°F)65 mm (2.5 inches)82%high
December Weather12°C (54°F)115 mm (4.5 inches)87%moderate

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