Measurements:
°C
°F
CURRENT WEATHER
17:31
Key Largo
90°F
NW 12 mph
Feels like: 102°F
Precip: 6%
World Resorts USA Key Largo Weather

7 Day Weather Forecast

07.15
wed
DAY
94°F
W 13 mph
precip
7%
NIGHT
88°F
SW 6 mph
precip
7%
07.16
thu
DAY
88°F
W 7 mph
precip
8%
NIGHT
88°F
NW 5 mph
precip
13%
07.17
fri
DAY
88°F
NW 6 mph
precip
7%
NIGHT
88°F
NW 6 mph
precip
5%
07.18
sat
DAY
88°F
NW 9 mph
precip
15%
NIGHT
88°F
NW 10 mph
precip
7%
07.19
sun
DAY
88°F
NW 9 mph
precip
9%
NIGHT
88°F
NW 11 mph
precip
5%
07.20
mon
DAY
88°F
NW 6 mph
precip
6%
NIGHT
88°F
NW 11 mph
precip
8%
07.21
tue
DAY
88°F
NW 11 mph
precip
6%
NIGHT
88°F
W 12 mph
precip
8%

Key Largo Sea Water Temperature in July, °F

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Key Largo was 31.4°F. The maximum and minimum values were 30.8°F and 32.1°F respectively.

Key Largo on the Weather Map

Best Time to Visit Key Largo
The most sunny months:
December 12 days
February 12 days
March 12 days
The most warm months:
August 89.1 °F
July 89.0 °F
September 88.4 °F
Warmest sea temperature:
August 91.7 °F
July 91.2 °F
September 90.7 °F
The most cold months:
January 72.9 °F
February 75.2 °F
December 75.6 °F
The most rainy months:
June 3 days
September 3 days
July 3 days
The most windy months:
March 14 mph
November 14 mph
April 13 mph
more details