Measurements:
°C
°F
CURRENT WEATHER
13:01
Key Largo
92°F
E 16 mph
Feels like: 102°F
Precip: 0%
World Resorts USA Key Largo Weather

7 Day Weather Forecast

05.14
thu
DAY
92°F
E 16 mph
precip
0%
NIGHT
84°F
E 14 mph
precip
0%
05.15
fri
DAY
84°F
E 9 mph
precip
0%
NIGHT
86°F
NE 2 mph
precip
0%
05.16
sat
DAY
86°F
W 13 mph
precip
75%
NIGHT
86°F
W 17 mph
precip
0%
05.17
sun
DAY
86°F
W 17 mph
precip
100%
NIGHT
86°F
W 21 mph
precip
85%
05.18
mon
DAY
86°F
W 18 mph
precip
88%
NIGHT
86°F
W 19 mph
precip
100%
05.19
tue
DAY
86°F
W 17 mph
precip
81%
NIGHT
86°F
W 20 mph
precip
81%
05.20
wed
DAY
86°F
W 13 mph
precip
55%
NIGHT
84°F
W 17 mph
precip
0%

Key Largo Sea Water Temperature in May, °F

Select Year: 2025 2024 2023

The average sea surface temperature in May 2025 for Key Largo was 28.6°F. The maximum and minimum values were 26.1°F and 30.9°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