Islamorada Weather

Average monthly temperature, rainfall and sea temperature in Islamorada

Islamorada Bonefish
••• Islamorada Bonefishing. © Photographer Bob Krist/Florida Keys News Bureau

Fishing will happen rain or shine in Islamorada, because as the "Sportsfishing Capital of the World" nothing is going to stop you from fishing. Of course, with an overall average high temperature of 82° and an average low of 71° there just has to be a lot more sunshine. The maximum average rainfall usually falls in June, so avoid that month if you're looking forward to taking full advantage of Islamorada's seemingly unlimited outdoor recreation and attractions.

Islamorada, located in South Florida's Keys and just an hour-and-a-half drive from Miami, enjoys its warmest month in July. Islamorada's coolest month is in February. The highest recorded temperature in Islamorada was 98° in 1957 and the lowest recorded temperature was a very 35° in 1981. The Florida Keys are not often affected by hurricanes, but do know that the unpredictable storms are a possibility during the Atlantic hurricane season which runs from June 1 through November 30.

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

Average temperatures, rainfall and sea temperatures for Islamorada:

January

  • Average High: 75° F
  • Average Low: 62° F
  • Average Precipitation: 2.47 inches
  • Average Sea Temperature: 74° F

February

  • Average High Temperature: 76° F
  • Average Low Temperature: 62° F
  • Average Precipitation: 1.93 inches
  • Average Sea Temperature: 73.7° F

March

  • Average High Temperature: 78° F
  • Average Low Temperature: 65° F
  • Average Precipitation: 2.14 inches
  • Average Sea Temperature: 75.5° F

April

  • Average High Temperature: 82° F
  • Average Low Temperature: 70° F
  • Average Precipitation: 1.99 inches
  • Average Sea Temperature: 78.8° F

    May

    • Average High Temperature: 85° F
    • Average Low Temperature: 74° F
    • Average Precipitation: 3.73 inches
    • Average Sea Temperature: 81° F

    June

    • Average High Temperature: 87° F
    • Average Low Temperature: 77° F
    • Average Precipitation: 6.90 inches
    • Average Sea Temperature: 83.4° F

    July

    • Average High Temperature: 89° F
    • Average Low Temperature: 79° F
    • Average Precipitation: 3.23 inches
    • Average Sea Temperature: 85.4° F

    August

    • Average High Temperature: 89° F
    • Average Low Temperature: 78° F
    • Average Precipitation: 5.20 inches
    • Average Sea Temperature: 86.6° F

    September

    • Average High Temperature: 87° F
    • Average Low Temperature: 77° F
    • Average Precipitation: 6.72 inches
    • Average Sea Temperature: 85.3° F

    October

    • Average High Temperature: 84° F
    • Average Low Temperature: 74° F
    • Average Precipitation: 5.40 inches
    • Average Sea Temperature: 82.7° F

    November

    • Average High Temperature: 80° F
    • Average Low Temperature: 70° F
    • Average Precipitation: 3.08 inches
    • Average Sea Temperature: 79° F

    December

    • Average High Temperature: 76° F
    • Average Low Temperature: 65° F
    • Average Precipitation: 2.03 inches
    • Average Sea Temperature: 76.4° F

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

    If you're planning a Florida vacation or getaway, find out more about weather, events and crowd levels from our month-by-month guides.