October weather forecast and climate
Key Largo, FL

A clear seascape and cloudy evening sky in Key Largo, Florida
A clear seascape and cloudy evening sky in Key Largo, Florida

What is the temperature in October in Key Largo?

In Key Largo, in October, the average high-temperature is 86°F (30°C), and the average low-temperature is 69.8°F (21°C).

How much does it rain in Key Largo in October?

In Key Largo, Florida, in October, during 13 rainfall days, typically, 7" (179mm) of precipitation is accumulated.

How warm is the water in October in Key Largo?

In October, in Key Largo, Florida, the average sea temperature is 82.8°F (28.2°C). 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.
Average temperature in October - Key Largo, FL
  • Average high temperature in October: 86°F

Warmest months (with the highest average high temperature) are July, August and September (90°F).
The month with the lowest average high temperature is January (75°F).

  • Average low temperature in October: 70°F

Months with the highest average low temperature are July, August and September (73°F).
Coldest months (with the lowest average low temperature) are January and February (57°F).

Average rainfall in October - Key Largo, FL
  • Average rainfall in October: 7"

The wettest month (with the highest rainfall) is June (10").
The driest month (with the lowest rainfall) is December (1.4").

Average rainfall days in October - Key Largo, FL
  • Average rainfall days in October: 13 days

Months with the highest number of rainy days are August and September (17 days).
The month with the lowest number of rainy days is April (5 days).

Average sea temperature in October - Key Largo, FL
  • Average sea temperature in October: 82.8°F

The best month for swimming (with the highest average sea temperature) is August (86.8°F).
The coldest month (with the lowest average sea temperature) is February (72.6°F).

Average daylight in October / Average sunshine in October - Key Largo, FL
  • Average daylight in October: 11.6h

The month with the longest days is June (Average daylight: 13.7h).
The month with shortest days is December (Average daylight: 10.6h).

  • Average sunshine in October: 8h

Months with most sunshine are April, May, June and July (Average sunshine: 10h).
Months with least sunshine are January, November and December (Average sunshine: 7).

Average UV index in October - Key Largo, FL
  • Average UV index in October: 8

Months with the highest UV index are April, May, June, July and August (UV index 11).
The month with the lowest UV index is December (UV index 5).

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