Jacksonville
Florida, USA
Long-term weather forecast
Long-term weather forecast

October weather forecast and climate
Jacksonville, FL

Water geysers at the fountain of Jacksonville in Florida, with the cityscape
Water geysers at the fountain of Jacksonville in Florida, with the cityscape
October, like September, in Jacksonville, Florida, is a moderately hot autumn month, with average temperature fluctuating between 80.4°F (26.9°C) and 60.4°F (15.8°C).

Temperature

In October, the average high-temperature slightly decreases, from a hot 86.9°F (30.5°C) in September, to a warm 80.4°F (26.9°C). In Jacksonville, the average low-temperature is 60.4°F (15.8°C).

Humidity

In Jacksonville, Florida, the average relative humidity is 78.6%.

Rainfall

In October, the rain falls for 8.2 days. Throughout October, 3.9" (99.8mm) of precipitation is accumulated. In Jacksonville, during the entire year, the rain falls for 113.5 days and collects up to 52.4" (1330.6mm) of precipitation.

Ocean temperature

In October, the average ocean temperature is 78.8°F (26°C). For any water activity, surface water temperatures between 77°F (25°C) and 84.2°F (29°C) are considered as excellent and extremely pleasant for lengthened periods.

Daylight

In Jacksonville, the average length of the day in October is 11.4h.

Sunshine

The average sunshine in Jacksonville is 6.9h.

UV index

The average daily maximum UV index in Jacksonville is 7. A UV Index of 6 to 7 symbolizes a high threat to health from the exposure to the Sun's UV radiation for ordinary individuals.
In October, the average maximum UV index of 7 translate into the following recommendations:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.

What is the temperature in October in Jacksonville?

In October, in Jacksonville, Florida, the average high-temperature is 80.4°F (26.9°C), and the average low-temperature is 60.4°F (15.8°C).

What is the average humidity in October in Jacksonville?

In Jacksonville, Florida, the average relative humidity in October is 78.6%.

How much does it rain in Jacksonville in October?

In Jacksonville, during October, the rain falls for 8.2 days and regularly aggregates up to 3.9" (99.8mm) of precipitation.

How warm is the water in October in Jacksonville?

In Jacksonville, the average seawater temperature in October is 78.8°F (26°C). For any water activity, surface water temperatures between 77°F (25°C) and 84.2°F (29°C) are considered as excellent and extremely pleasant for lengthened periods.

What is the average length of the day in October in Jacksonville?

The average length of the day in October in Jacksonville is 11.4h.

How many hours of sunshine does Jacksonville have in October?

In Jacksonville, the average sunshine in October is 6.9h.

What is the UV index intensity in October in Jacksonville?

In October, the average daily maximum UV index in Jacksonville, Florida, is 7. A UV Index estimate of 6 to 7 represents a high health threat from the exposure to the Sun's UV rays.
Average temperature in October - Jacksonville, FL
  • Average high temperature in October: 80.4°F

The warmest month (with the highest average high temperature) is July (92°F).
The month with the lowest average high temperature is January (64.8°F).

  • Average low temperature in October: 60.5°F

The month with the highest average low temperature is August (72.7°F).
The coldest month (with the lowest average low temperature) is January (41.4°F).

Average humidity in October - Jacksonville, FL
  • Average humidity in October: 78.6%

The month with the highest relative humidity is September (80.8%).
The month with the lowest relative humidity is April (69.5%).

Average rainfall in October - Jacksonville, FL
  • Average rainfall in October: 3.9"

The wettest month (with the highest rainfall) is September (8.2").
The driest month (with the lowest rainfall) is November (2.1").

Average rainfall days in October - Jacksonville, FL
  • Average rainfall days in October: 8.2 days

The month with the highest number of rainy days is August (15 days).
The month with the lowest number of rainy days is April (5.7 days).

Average sea temperature in October - Jacksonville, FL
  • Average sea temperature in October: 78.8°F

The best month for swimming (with the highest average sea temperature) is August (83.5°F).
The coldest month (with the lowest average sea temperature) is February (60.4°F).

Average daylight in October / Average sunshine in October - Jacksonville, FL
  • Average daylight in October: 11.4h

The month with the longest days is June (Average daylight: 14.1h).
The month with shortest days is December (Average daylight: 10.2h).

  • Average sunshine in October: 6.9h

The month with most sunshine is May (Average sunshine: 9.8h).
The month with least sunshine is December (Average sunshine: 5.9h).

Average UV index in October - Jacksonville, FL
  • Average UV index in October: 7

Months with the highest UV index are June and July (UV index 11).
Months with the lowest UV index are January and December (UV index 4).