October weather forecast
Treasure Island, FL

October witnesses a noticeable dip in temperature with readings ranging from 72.5°F (22.5°C) to 81.5°F (27.5°C). Daylight hours taper down, signaling the onset of the cooler, autumnal months. While rainfall takes a significant plunge, occurring only on approximately 9.9 days in the month—an affirmative sign of the receding monsoon. The wind picks up pace, blowing at nearly 9.7mph (15.6km/h), playfully rustling through the palm-fringed coasts of Treasure Island. Meanwhile, the sea takes on a distinct coolness, while still maintaining comfortable swimmable conditions.

Temperature

October's arrival in Treasure Island brings an average high-temperature of a warm 81.5°F (27.5°C), demonstrating subtle variation from the preceding month. The nighttime temperature in Treasure Island in October experiences a minor dip, averaging an agreeable 72.5°F (22.5°C).

Heat index

During October, the heat index is calculated to be a tropical 86°F (30°C). With constant exposure and activity, a state of weariness might ensue, leading to potential heat cramps.
One should consider that heat index numbers are for shaded settings and light wind. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a measure of how hot it feels when the actual air humidity is factored in. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.

Humidity

The least humid month in Treasure Island is October, with an average relative humidity of 72%.

Rainfall

In Treasure Island, in October, during 9.9 rainfall days, 0.71" (18mm) of precipitation is typically accumulated. In Treasure Island, during the entire year, the rain falls for 122.3 days and collects up to 9.45" (240mm) of precipitation.

Ocean temperature

In Treasure Island, the average seawater temperature in October is 81.1°F (27.3°C).
Note: For activities in the water such as swimming or diving, temperatures from 77°F (25°C) to 84.2°F (29°C) are considered optimal for prolonged enjoyment without discomfort.

Daylight

In Treasure Island, the average length of the day in October is 11h and 29min.
On the first day of the month, sunrise is at 7:24 am and sunset at 7:16 pm. On the last day of October, sunrise is at 7:41 am and sunset at 6:47 pm EDT.

Sunshine

In October, the average sunshine in Treasure Island is 7.9h.

UV index

In October, the average daily maximum UV index in Treasure Island is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: In October, the UV index of 6 transforms into the following advice:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Stay vigilant! UV rays get a boost in intensity due to sand and water reflections.