Key Largo Average Monthly Temperatures and Rainfall

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Updated on 11/02/19

John Pennekamp Coral Reef State Park, Key Largo Florida Keys — benedek / Getty Images

Key Largo, located in the Florida Keys just south of Miami, has an overall average high temperature of 82° and an average low of 71°. Sandwiched between Florida Bay and the Atlantic Ocean, it is no wonder that most outdoor activities in Key Largo revolve around the water.

On average, Key Largo's warmest month is July, , and February is the average coolest month. Of course, this is Florida, and extremes do occur, but they seem to be mild compared to the rest of the state. The highest recorded temperature in Key Largo was 98° in 1957, and the lowest recorded temperature was a chilly 35° in 1981. The maximum average rainfall usually falls in June.

The Florida Keys are not often affected by hurricanes, but unpredictable storms are a possibility during the Atlantic hurricane season, which runs from June 1 through November 30. You should also be aware that you will be required to evacuate if a major storm threatens the area, so it's wise to follow these tips for traveling during hurricane season, including booking a hotel that offers a hurricane guarantee.

Packing for a vacation in Key Largo is pretty simple. Bring your bathing suit. Of course, you will also need resort casual clothing for dining out, but the dress code for just about anywhere in the Florida Keys is cool, casual, and comfortable.

Of course, when you visit Key Largo, it's all about the water. If you'll be diving or snorkeling from December through March, you'll want to either bring a wet suit or rent one. The water is just a bit too chilly to spent much time in the water otherwise.

Average temperatures, rainfall and sea temperatures for Key Largo: