Measurements:
°C
°F
Key Largo
66°F
S 17 mph
Feels like: 66°F
Precip: 0%
World Resorts USA Key Largo Weather

Key Largo Sea Water Temperature

Current Sea Water Temperature:
+76.8°F
Maximum Sea Water Temperature in December: 84.0°F
Minimum Sea Water Temperature in December: 71.6°F
Average water temperature in December: 78.1°F

Sea Water Temperature for the Last 10 Days:

December 22 76.8°F December 17 76.2°F
December 21 78.6°F December 16 74.4°F
December 20 79.4°F December 15 73.2°F
December 19 78.0°F December 14 73.0°F
December 18 78.0°F December 13 75.0°F

When is the Warmest Sea for Key Largo?

According to our data for the last three years for Key Largo the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2024 2023 2022

The average sea surface temperature in August 2024 for Key Largo was 91.5°F. The maximum and minimum values were 89.2°F and 93.8°F respectively.

Sea Water Temperature in July

Select Year: 2024 2023 2022

The average sea surface temperature in July 2024 for Key Largo was 91.2°F. The maximum and minimum values were 89.8°F and 92.6°F respectively.

Sea Water Temperature in September

Select Year: 2024 2023 2022

The average sea surface temperature in September 2024 for Key Largo was 91.3°F. The maximum and minimum values were 88.4°F and 93.0°F respectively.

Best Time to Visit Key Largo
The most sunny months:
January 10 days
April 10 days
February 9 days
The most warm months:
July 89.0 °F
August 88.8 °F
September 88.3 °F
Warmest sea temperature:
August 91.5 °F
July 91.4 °F
September 90.7 °F
The most cold months:
January 74.2 °F
December 75.4 °F
February 75.9 °F
The most rainy months:
June 4 days
July 3 days
September 3 days
The most windy months:
November 14 mph
March 14 mph
October 13 mph

Key Largo on the Weather Map

USA Resorts:
NAME
Boston +10
Chicago +20
Hawaii +78
Honolulu +78
Houston +46
Las Vegas +50
Los Angeles +54
Miami +62
New York +16
Orlando +50
San Diego +54
San Francisco +54
Sarasota +48
Tampa +46
Washington +20
24 Hours Weather Forecast
Key Largo
Local time: 05:01
22 dec, sunday
0600 66°F
S
17 mph
0900 64°F
S
17 mph
1200 68°F
S
13 mph
1500 72°F
SW
12 mph
1800 74°F
SW
13 mph
2100 74°F
SW
14 mph
23 dec, monday
0000 72°F
SW
14 mph
0300 74°F
W
13 mph