World Resorts USA Key Largo Weather

Key Largo weather in July

Weather in Key Largo: July

Average day temperature: 85.4°F
Average night temperature: 83.6°F
Sea water temperature: 87.3°F
Number of sunny days: 8 days
Day length: 13.3 - 13.7 hours
Number of rainy days: 3 days
Precipitation totals: 1.8 in.

Air temperature in July, °F

Show year:
2026
2025
2024

The highest day temperature during July of 2026 was 90°F. At the same time the lowest night temperature was 79°F. Daily and nightly averages during July were 87.4°F and 84.1°F.

Sea water temperature in Key Largo in July, °F

Show year:
2026
2025
2024

The average sea water temperature in July of 2026 was 88.2°F. The highest and lowest sea temperatures during the month were 89.8°F and 87.3°F.

Sunny, partly cloudy and cloudy days

Mostly all days in July are partly cloudy but sunny or cloudy days are also possible.

Precipitation total in July, in.

Precipitation total value in Key Largo in July is 1.8 in. Other months of the year show relatively similar values.

Wind speed in July, mph

The average wind speed value in July is 10.3 mph It makes July one of the least windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in July is: 7.6.

Best time for vacation in Key Largo

Sunniest months:
December 12 days
February 12 days
March 12 days
Warmest months:
July 85.4 °F
August 85.2 °F
September 84.5 °F
Warmest sea temp:
August 87.6 °F
July 87.3 °F
September 86.6 °F
Coldest months:
January 70.6 °F
February 72.7 °F
December 73.0 °F
Rainiest months:
June 3 days
September 3 days
July 3 days
Windiest months:
March 13.9 mph
November 13.9 mph
April 13.7 mph

Key Largo on a weather map

Key Largo
+86°F
NW 12 mph
Feels like: +95°F
Precip.: 14%
Places in USA:
Name
°F
+81°F
+88°F
+79°F
+91°F
+82°F
+90°F
+75°F
+91°F
+86°F
+75°F
+64°F
+77°F
+93°F
+100°F
+75°F
24 Hours Forecast
Key Largo
Local time: 15:15
August 15, saturday
1800
88°F
W
14 mph
2100
86°F
W
14 mph
August 16, sunday
0000
86°F
W
14 mph
0300
86°F
NW
11 mph
0600
86°F
NW
12 mph
0900
86°F
NW
13 mph
1200
86°F
W
11 mph
1500
86°F
W
11 mph
Units of measurement: °C / °F