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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 23.6–27.2°C, 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 28.0–29.2°C, 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 24.3–29.0°C, 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 20.2–21.6°C, 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. 25.4°C / Annual rainfall: approx. 49 mm / Summer humidity: 60%–70% / Rainiest month: October

Key Largo monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
21.6°C
0.9
February
20.2°C
3.2
March
23.8°C
5
April
23.6°C
0.6
May
27.2°C
0.7
June
28°C
8.7
July
29.2°C
3
August
29°C
7.6
September
29°C
8.5
October
26.8°C
9.3
November
24.3°C
1.1
December
21.6°C
1.1

Key Largo weather for the next seven days

4/28
Tuesday
Sunny
27.8°C/25.3°C
4/29
Wednesday
Patchy rain nearby
25.8°C/25.3°C
4/30
Thursday
Sunny
26.3°C/25.4°C
5/1
Friday
Sunny
26.6°C/25.6°C
5/2
Saturday
Sunny
27.5°C/26.6°C
5/3
Sunday
Patchy rain nearby
28.1°C/26.7°C
5/4
Monday
Moderate rain
25.2°C/22.7°C