October weather forecast
Port Saint Lucie, FL

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.