October weather forecast
Miami, FL

October in Miami, Florida experiences a significant decline in temperature and rainfall, signaling the onset of the dry season. A marked drop in rainfall to 1.65 in defines the climate situation this month. Compared to September, October brings a much-needed reprieve from the heavy rains and high temperatures. This month sees a return to more moderate and comfortable climatic conditions, which imply the farewell to thunderstorm-filled afternoons. As October rolls into November, temperatures continue to cool down, but the sunny days persist.

Temperature

The transition into October shows a subtle variation to a still warm 82.8°F (28.2°C) from September's 85.6°F (29.8°C) in the average high-temperature. Miami records a consistent average nighttime temperature of 77.5°F (25.3°C) in October, slightly lower than the daytime high.

Heat index

The heat index for October is estimated at a hot 89.6°F (32°C). If one sustains activity during exposure, it could lead to a sense of fatigue, with a chance of heat cramps.
Given the heat index, its values are aligned with shaded sites and gentle winds. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', takes into account both air temperature and humidity to illustrate what people actually feel. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.

Humidity

In Miami, the average relative humidity in October is 74%.

Rainfall

In October, in Miami, the rain falls for 17.3 days. Throughout October, 1.65" (42mm) of precipitation is accumulated. In Miami, during the entire year, the rain falls for 182.7 days and collects up to 16.38" (416mm) of precipitation.

Ocean temperature

In Miami, in October, the average water temperature is 82.9°F (28.3°C).
Note: Ideal surface water temperatures for any water activity fall between 77°F (25°C) and 84.2°F (29°C), offering maximum enjoyment for lengthened periods.

Daylight

In October, the average length of the day is 11h and 32min.
On the first day of the month, sunrise is at 7:13 am and sunset at 7:07 pm. On the last day of October, sunrise is at 7:28 am and sunset at 6:39 pm EDT.

Sunshine

In October, the average sunshine is 6.8h.

UV index

May through October, with an average maximum UV index of 7, are months with the highest UV index in Miami, Florida. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The UV index of 7 during October leads to these advisories:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Stay cautious! Sand and water reflections increase UV radiation potency.