October weather forecast
St. Augustine, FL

Palm trees and colorful houses in front of water fountains in a popular town square in St. Augustine, Florida
Palm trees and colorful houses in front of water fountains in a popular town square in St. Augustine, Florida

Weather in October

October, like September, in St. Augustine is a moderately hot autumn month, with an average temperature fluctuating between 64.9°F (18.3°C) and 81°F (27.2°C).

Temperature

In St. Augustine, the average high-temperature in October is practically the same as in September - a warm 81°F (27.2°C). In St. Augustine, the average low-temperature is 64.9°F (18.3°C).

Rainfall

In St. Augustine, Florida, during October, the rain falls for 8 days and regularly aggregates up to 4.6" (116.8mm) of precipitation. In St. Augustine, during the entire year, the rain falls for 116 days and collects up to 50" (1269.9mm) of precipitation.

Ocean temperature

In October, the average ocean temperature in St. Augustine, Florida, is 79.9°F (26.6°C).
Note: Water temperature between 77°F (25°C) and 84.2°F (29°C) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

Daylight

The average length of the day in October in St. Augustine is 11h and 26min.
On the first day of the month, sunrise is at 7:18 am and sunset at 7:10 pm. On the last day of October, in St. Augustine, sunrise is at 7:38 am and sunset at 6:39 pm EDT.

Sunshine

In October, the average sunshine in St. Augustine is 7h.

UV index

In St. Augustine, the average daily maximum UV index in October is 7. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: In October, the average maximum UV index of 7 translate into the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.
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FAQ

How many days does it rain in October in St. Augustine?

In October, in St. Augustine, Florida, the rain falls for 8 days. Throughout October, 4.6" (116.8mm) of precipitation is accumulated.

How warm is the water in October in St. Augustine?

In St. Augustine, Florida, in October, the average water temperature is 79.9°F (26.6°C). For swimming, diving, and other water activities, temperatures between 77°F (25°C) and 84.2°F (29°C) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

How many hours of daylight does St. Augustine have in October?

In October, the average day length is 11h and 26min.

When are sunrise and sunset in October in St. Augustine?

On the first day of October, sunrise is at 7:18 am and sunset at 7:10 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 6:39 pm EDT.

How long on average sun shines in October in St. Augustine?

In October, the average sunshine duration in St. Augustine is 7h.

How high is the UV index in October in St. Augustine?

In St. Augustine, Florida, the average daily maximum UV index in October is 7. A UV Index value of 6 to 7 symbolizes a high health threat from unsafe exposure to Sun's UV rays.
Average rainfall days
Average sunshine
Average UV index

Average temperature in October
St. Augustine, FL

Average temperature in October - St. Augustine, FL
  • Average high temperature in October: 81°F

The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is January (66°F).

  • Average low temperature in October: 65°F

The month with the highest average low temperature is August (73°F).
The coldest month (with the lowest average low temperature) is January (46°F).

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Average rainfall in October
St. Augustine, FL

Average rainfall in October - St. Augustine, FL
  • Average rainfall in October: 4.6"

The wettest month (with the highest rainfall) is September (7.5").
The driest month (with the least rainfall) is November (2.3").

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Average rainfall days in October
St. Augustine, FL

Average rainfall days in October - St. Augustine, FL
  • Average rainfall days in October: 8 days

The months with the highest number of rainy days are July and August (15 days).
The month with the least rainy days is April (6 days).

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Average sea temperature in October
St. Augustine, FL

Average sea temperature in October - St. Augustine, FL
  • Average sea temperature in October: 79.9°F

The best month for swimming (with the highest average sea temperature) is August (83.8°F).
The coldest months (with the lowest average sea temperature) are January and February (64.3°F).

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Average daylight in October /
Average sunshine in October
St. Augustine, FL

Average daylight in October / Average sunshine in October - St. Augustine, FL
  • Average daylight in October: 11h and 26min

The month with the longest days is June (Average daylight: 14h and 2min).
The month with the shortest days is December (Average daylight: 10h and 16min).

  • Average sunshine in October: 7h

The months with the most sunshine are March, April, May, June, July and August (Average sunshine: 9h).
The month with the least sunshine is December (Average sunshine: 6h).

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Average UV index in October
St. Augustine, FL

Average UV index in October - St. Augustine, FL
  • Average UV index in October: 7

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

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