World Resorts USA Key Largo Weather

Key Largo 7 Days Forecast

09.01
fri
Day
73°F
W 15 mph
Precip.
0%
Night
72°F
W 16 mph
Precip.
0%
10.01
sat
Day
72°F
NW 13 mph
Precip.
0%
Night
73°F
SW 8 mph
Precip.
0%
11.01
sun
Day
72°F
SW 2 mph
Precip.
0%
Night
73°F
SE 7 mph
Precip.
0%
12.01
mon
Day
72°F
SW 23 mph
Precip.
100%
Night
73°F
SW 17 mph
Precip.
100%
13.01
tue
Day
73°F
SW 10 mph
Precip.
100%
Night
73°F
W 9 mph
Precip.
0%
14.01
wed
Day
73°F
N 10 mph
Precip.
100%
Night
70°F
NW 11 mph
Precip.
28%
15.01
thu
Day
66°F
SE 8 mph
Precip.
0%
Night
64°F
SE 24 mph
Precip.
0%

Sea water temperature in January, °F

Show year:
2025
2024
2023

The average sea water temperature in January of 2025 was 71.1°F. The highest and lowest sea temperatures during the month were 75.7°F and 66.7°F.

Air temperature in Key Largo, °F

Precipitation total in Key Largo, in.

* Charts above show average data for the last 3 years.

Best time for vacation in Key Largo

Sunniest months:
December 12 days
March 11 days
April 11 days
Warmest months:
August 85.2 °F
July 85.1 °F
September 84.5 °F
Warmest sea temp:
August 87.6 °F
July 87.1 °F
September 86.6 °F
Coldest months:
January 70.8 °F
December 73.0 °F
February 73.5 °F
Rainiest months:
June 3 days
September 3 days
July 3 days
Windiest months:
November 13.9 mph
March 13.8 mph
April 13.5 mph

Key Largo on a weather map

Key Largo
+72°F
W 15 mph
Feels like: +77°F
Precip.: 0%
Places in USA:
Name
°F
+37°F
+73°F
+73°F
+41°F
+48°F
+70°F
+75°F
+68°F
+30°F
+50°F
+45°F
+64°F
+64°F
+66°F
+55°F
24 Hours Forecast
Key Largo
Local time: 02:38
January 09, friday
0300
72°F
W
15 mph
0600
72°F
W
15 mph
0900
72°F
W
16 mph
1200
73°F
W
15 mph
1500
73°F
W
14 mph
1800
73°F
W
14 mph
2100
73°F
W
16 mph
January 10, saturday
0000
72°F
W
16 mph
Units of measurement: °C / °F