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Key Largo

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Key Largo Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Key Largo year round climate

  • Spring (March–May): Average 74–80°F, warm and dry climate with abundant sunshine and minimal rainfall. Common activities: snorkeling, scuba diving, fishing, boating, sunbathing. Recommended clothing: light and breathable short-sleeved clothing, shorts, sunglasses, sun hat.
  • Summer (June–August): Average 82–84°F, hot and humid climate with occasional showers. Common activities: swimming, water sports, beach relaxation. Recommended clothing: light and breathable clothing, swimwear, sunglasses, sunscreen.
  • Autumn (September–November): Average 75–84°F, warm and comfortable climate, with slightly more rainfall in October. Common activities: whale watching, bird watching, kayaking, cycling. Recommended clothing: comfortable long-sleeved or short-sleeved clothing, light rain gear as needed.
  • Winter (December–February): Average 68–70°F, mild and dry climate with little rainfall, a great season for diving. Common activities: diving, bird watching, visiting national parks. Recommended clothing: light jacket or long-sleeved clothing, a light jacket may be needed in the mornings and evenings.

Key Largo climatological average

Annual average temperature: approx. 77.7°F / Annual rainfall: approx. 49 mm / Summer humidity: 60%–70% / Rainiest month: October

Key Largo monthly average temperature and precipitation

Month
Air temperature (°F)
Precipitation (mm)
January
70.9°F
0.9
February
68.4°F
3.2
March
74.8°F
5
April
74.5°F
0.6
May
81°F
0.7
June
82.4°F
8.7
July
84.6°F
3
August
84.2°F
7.6
September
84.2°F
8.5
October
80.2°F
9.3
November
75.7°F
1.1
December
70.9°F
1.1

Key Largo weather for the next seven days

12/27
Saturday
Sunny
74.5°F/66.9°F
12/28
Sunday
Partly Cloudy
72.3°F/67.5°F
12/29
Monday
Partly Cloudy
70.3°F/66.7°F
12/30
Tuesday
Sunny
72°F/67.2°F
12/31
Wednesday
Sunny
68.6°F/59.4°F
1/1
Thursday
Overcast
70.6°F/67.3°F
1/2
Friday
Sunny
69.3°F/60.8°F

Key Largo Frequently Asked Questions and Useful Information for Travel

What is the best month to go to Key Largo?

For ideal weather in Key Largo, aim to visit between November and April. During these months, you'll enjoy pleasant temperatures in the 70s and are less likely to encounter rain, while also avoiding the summer hurricane season.

Is it safe to travel to Key Largo right now?

You should not be concerned about visiting Key Largo. There are no local, state, or federal advisories discouraging travel to Key Largo or anywhere else in the Florida Keys.

Is Key Largo, Florida worth visiting?

Key Largo is definitely worth visiting and is packed with attractions that cater to nature lovers and adventure seekers. The John Pennekamp Coral Reef State Park is a must-visit for its underwater coral reef tours. The Florida Keys Wild Bird Rehabilitation Center offers a chance to see rescued birds up close.

What airport do you fly into to go to Key Largo?

You will typically fly into Miami International Airport (MIA) to go to Key Largo, as it is the closest major commercial airport. The drive from MIA to Key Largo is roughly 1.5 to 2 hours, depending on traffic. Fort Lauderdale-Hollywood International Airport (FLL) is also a viable alternative.

What are the main attractions in Key Largo?

Key Largo is renowned for its stunning natural beauty and marine life. The John Pennekamp Coral Reef State Park offers incredible opportunities for snorkeling, scuba diving, and glass-bottom boat tours. Other popular spots include the Florida Keys Wild Bird Rehabilitation Center and various marinas offering fishing and boat charters.