Measurements:
°C
°F
Key Largo
82°F
W 17 mph
Feels like: 84°F
Precip: 0%
World Resorts USA Key Largo Weather

7 Day Weather Forecast

04.23
thu
DAY
80°F
W 15 mph
precip
0%
NIGHT
76°F
W 16 mph
precip
0%
04.24
fri
DAY
72°F
W 14 mph
precip
100%
NIGHT
76°F
W 14 mph
precip
0%
04.25
sat
DAY
78°F
W 9 mph
precip
0%
NIGHT
78°F
W 8 mph
precip
0%
04.26
sun
DAY
78°F
NW 8 mph
precip
0%
NIGHT
78°F
W 7 mph
precip
0%
04.27
mon
DAY
80°F
NW 6 mph
precip
0%
NIGHT
80°F
W 12 mph
precip
0%
04.28
tue
DAY
80°F
NW 6 mph
precip
0%
NIGHT
80°F
NW 9 mph
precip
0%
04.29
wed
DAY
80°F
NW 6 mph
precip
0%
NIGHT
80°F
NW 7 mph
precip
0%

Key Largo Sea Water Temperature in April, °F

Select Year: 2026 2025 2024

The average sea surface temperature in April 2026 for Key Largo was 25.5°F. The maximum and minimum values were 24.5°F and 26.9°F respectively.

Key Largo on the Weather Map

Best Time to Visit Key Largo
The most sunny months:
February 12 days
March 12 days
December 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