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Key Largo Weather

Average monthly temperature and rainfall in Key Largo

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Key Largo Fishing

Fishing at sunset in Key Largo.

© Photographer Bob Krist/Florida Keys News Bureau

Key Largo, located in South Florida's Keys, has an overall average high temperature of 82° and an average low of 71°.

The highest recorded temperature in Key Largo was 98° in 1957 and the lowest recorded temperature was a very 35° in 1981. On average Key Largo's warmest month is July and February is the average coolest month. The maximum average rainfall usually falls in June.

January

  • Average High: 75° F
  • Average Low: 62° F
  • Average Precipitation: 2.47 inches

February

  • Average High Temperature: 76° F
  • Average Low Temperature: 62° F
  • Average Precipitation: 1.93 inches

March

  • Average High Temperature: 78° F
  • Average Low Temperature: 65° F
  • Average Precipitation: 2.14 inches

April

  • Average High Temperature: 82° F
  • Average Low Temperature: 70° F
  • Average Precipitation: 1.99 inches

May

  • Average High Temperature: 85° F
  • Average Low Temperature: 74° F
  • Average Precipitation: 3.73 inches

June

  • Average High Temperature: 87° F
  • Average Low Temperature: 77° F
  • Average Precipitation: 6.90 inches

July

  • Average High Temperature: 89° F
  • Average Low Temperature: 79° F
  • Average Precipitation: 3.23 inches

August

  • Average High Temperature: 89° F
  • Average Low Temperature: 78° F
  • Average Precipitation: 5.20 inches

September

  • Average High Temperature: 87° F
  • Average Low Temperature: 77° F
  • Average Precipitation: 6.72 inches

October

  • Average High Temperature: 84° F
  • Average Low Temperature: 74° F
  • Average Precipitation: 5.40 inches

November

  • Average High Temperature: 80° F
  • Average Low Temperature: 70° F
  • Average Precipitation: 3.08 inches

December

  • Average High Temperature: 76° F
  • Average Low Temperature: 65° F
  • Average Precipitation: 2.03 inches

Visit weather.com for current weather conditions, 5- or 10-day forecast and more.

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