October weather forecast
St. Augustine, FL

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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

In October, St. Augustine transitions towards a milder climate, marking the beginning of autumn in the city. The frequency of rainfall drops significantly as drier days become more prevailing. October's dominant feature would be a diminished rainfall measuring an average of 4.6" (117mm) in comparison to the summer months. Nevertheless, the weather remains amiable, leaving room for tourism and outdoor activity. The gorgeous weather in October affirms St. Augustine's popular standing as a year-round destination.

Temperature

St. Augustine's shift from September to October is accompanied by an average high-temperature of a warm 81°F (27.2°C), a slight deviation from 86°F (30°C). St. Augustine, during October nights, observes an average temperature of 64.9°F (18.3°C).

Rainfall

In October, in St. Augustine, Florida, the rain falls for 8 days. Throughout October, 4.61" (117mm) of precipitation is accumulated. In St. Augustine, during the entire year, the rain falls for 116 days and collects up to 50" (1270mm) 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 perceived as agreeably warm, making all water activities enjoyable without the risk of discomfort over lengthy durations.

Daylight

In St. Augustine, the average length of the day in October is 11h and 26min.
On the first day of October in St. Augustine, 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 6:38 pm EDT.

Sunshine

In October, the average sunshine in St. Augustine, Florida, 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 health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: An average UV index of 7 in October transforms into this advice:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Heads up! UV intensity is amplified by reflections from water and sand.

Frequently asked questions

What is the average October temperature?

The high-temperature during October is 81°F (27.2°C) and the low-temperature is 64.9°F (18.3°C).

How many days does it rain in October?

In St. Augustine, during October, the rain falls for 8 days and regularly aggregates up to 4.61" (117mm) of precipitation.

How warm is the water in October?

In St. Augustine, the average seawater temperature in October is 79.9°F (26.6°C). 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.

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

The average day length in October is 11h and 26min.

When is the sunrise / sunset in October?

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 6:38 pm EDT.

How long on average sun shines in October?

The average sunshine duration in October is 7h.

How high is the UV index in October?

The average daily maximum UV index in October is 7. A UV Index reading of 6 to 7 represents a high health threat from unprotected exposure to UV radiation.
Average rainfall days
Average daylight
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).

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").

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).

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).

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 2min

The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).

  • 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).

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).

St. Augustine, Florida, USA

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