October weather forecast
Port Saint Lucie, FL

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A small wooden gazebo over a natural preserve in Port Saint Lucie, Florida
A small wooden gazebo over a natural preserve in Port Saint Lucie, Florida

Weather in October

October nudges Port Saint Lucie further into the realm of autumn, showcasing more notable drops in temperature from the summer's peak. The days become marginally cooler while the prominence of sunny days continues to enhance the city's aesthetic appeal. Rainfall data for October shows a considerable decrease, setting up milder weather conditions for the remainder of the year. Despite brisk sea breezes, the sea temperatures ensure enjoyable conditions for watersports enthusiasts. The transition into November continues along the lines of cooler and dryer conditions, offering a sneak peek into the forthcoming winter.

Temperature

Port Saint Lucie, Florida, measures an average high-temperature of a still warm 82.2°F (27.9°C) in October, nearly consistent with the preceding month. Port Saint Lucie encounters a small divergence from daytime high temperatures, averaging a low-temperature of 73.6°F (23.1°C) during October nights.

Heat index

The average heat index in October is evaluated at a tropical 87.8°F (31°C). Prolonged activity during exposure might result in a state of fatigue and cause heat cramps.
Note that heat index values are valued for light wind and location in the shade. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is a measure of how hot it feels when the actual air humidity is factored in. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Children typically face more danger than adults as their sweat production is usually lower. Additionally, the bigger skin surface compared to their small size and the increased heat due to their activeness exacerbate the risk.

Humidity

In Port Saint Lucie, the average relative humidity in October is 76%.

Rainfall

In Port Saint Lucie, in October, during 14.8 rainfall days, 1.5" (38mm) of precipitation is typically accumulated. In Port Saint Lucie, during the entire year, the rain falls for 181.5 days and collects up to 18.11" (460mm) of precipitation.

Ocean temperature

In Port Saint Lucie, the average seawater temperature in October is 82°F (27.8°C).
Note: 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 Port Saint Lucie, the average length of the day in October is 11h and 30min.
On the first day of October, sunrise is at 7:14 am and sunset at 7:07 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 6:38 pm EDT.

Sunshine

The average sunshine in October is 7h.

UV index

The average daily maximum UV index in October in Port Saint Lucie is 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the average person.
Note: In October, the maximum UV index of 6 transforms into these recommendations:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Attention! The combination of sand and water reflections enhances UV ray intensity.
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Frequently asked questions

What is the temperature in October in Port Saint Lucie?

October temperatures vary between a high-temperature of 82.2°F (27.9°C) and a low-temperature of 73.6°F (23.1°C). In October, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines air temperature and relative humidity, is evaluated at 87.8°F (31°C).

What is the average humidity in October in Port Saint Lucie?

The average relative humidity in October is 76%.

How much does it rain in Port Saint Lucie in October?

In Port Saint Lucie, in October, it is raining for 14.8 days, with typically 1.5" (38mm) of accumulated precipitation.

What is the ocean temperature in October in Port Saint Lucie?

In Port Saint Lucie, Florida, in October, the average water temperature is 82°F (27.8°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.

What is the average length of the day in October in Port Saint Lucie?

In Port Saint Lucie, Florida, the average day length in October is 11h and 30min.

What time are sunrise and sunset in October in Port Saint Lucie?

On the first day of October in Port Saint Lucie, Florida, sunrise is at 7:14 am and sunset at 7:07 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 6:38 pm EDT.

How many hours of sunshine does Port Saint Lucie have in October?

In October, the average sunshine duration in Port Saint Lucie, Florida, is 7h.

What is the UV index reading in October in Port Saint Lucie?

In October, the average daily maximum UV index in Port Saint Lucie is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation.

Average temperature in October
Port Saint Lucie, FL

Average temperature in October - Port Saint Lucie, FL
  • Average high temperature in October: 82.2°F

The warmest month (with the highest average high temperature) is August (87.6°F).
The month with the lowest average high temperature is January (71.2°F).

  • Average low temperature in October: 73.6°F

The month with the highest average low temperature is August (78.4°F).
The coldest month (with the lowest average low temperature) is January (59.5°F).

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Average pressure in October
Port Saint Lucie, FL

Average pressure in October - Port Saint Lucie, FL
  • Average pressure in October: 29.97"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is September (29.96"Hg).

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Average wind speed in October
Port Saint Lucie, FL

Average wind speed in October - Port Saint Lucie, FL
  • Average wind speed in October: 8.9mph

The windiest month (with the highest average wind speed) is March (9.4mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).

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Average humidity in October
Port Saint Lucie, FL

Average humidity in October - Port Saint Lucie, FL
  • Average humidity in October: 76%

The months with the highest relative humidity are June, July, August and September (78%).
The month with the lowest relative humidity is March (71%).

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Average rainfall in October
Port Saint Lucie, FL

Average rainfall in October - Port Saint Lucie, FL
  • Average rainfall in October: 1.5"

The wettest month (with the highest rainfall) is August (2.99").
The driest month (with the least rainfall) is January (0.55").

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Average rainfall days in October
Port Saint Lucie, FL

Average rainfall days in October - Port Saint Lucie, FL
  • Average rainfall days in October: 14.8 days

The month with the highest number of rainy days is August (23.5 days).
The month with the least rainy days is January (8.2 days).

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Average sea temperature in October
Port Saint Lucie, FL

Average sea temperature in October - Port Saint Lucie, FL
  • Average sea temperature in October: 82°F

The best month for swimming (with the highest average sea temperature) is August (85.1°F).
The coldest month (with the lowest average sea temperature) is February (73.3°F).

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Average daylight in October /
Average sunshine in October
Port Saint Lucie, FL

Average daylight in October / Average sunshine in October - Port Saint Lucie, FL
  • Average daylight in October: 11h and 3min

The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).

  • Average sunshine in October: 7h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The months with the least sunshine are January and December (Average sunshine: 6h and 6min).

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Average sunshine days in October
Port Saint Lucie, FL

Average sunshine days in October - Port Saint Lucie, FL
  • Average sunshine days in October: 12.5 days

The month with the most sunshine days is January (18.7 days).
The month with the least sunshine days is August (3.8 days).

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Average UV index in October
Port Saint Lucie, FL

Average UV index in October - Port Saint Lucie, FL
  • Average UV index in October: 6

The months with the highest UV index are May, June, July, August and September (UV index 7).
The months with the lowest UV index are January, February and December (UV index 5).

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Average cloud cover in October
Port Saint Lucie, FL

Average cloud cover in October - Port Saint Lucie, FL
  • Average cloud cover in October: 31

The months with the most cloud cover are November and December (Cloud cover 34).
The months with the least cloud cover are May, July and August (Cloud cover 27).

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Average visibility in October
Port Saint Lucie, FL

Average visibility in October - Port Saint Lucie, FL
  • Average visibility in October: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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Port Saint Lucie, Florida, USA

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