July weather forecast and climate
Key Largo, FL

A clear seascape and cloudy evening sky in Key Largo, Florida
A clear seascape and cloudy evening sky in Key Largo, Florida

What are the warmest months in Key Largo?

Warmest months in Key Largo, Florida, are July through September, with an average high-temperature of 89.6°F (32°C).

What is the temperature in July in Key Largo?

In Key Largo, in July, the average high-temperature is 89.6°F (32°C), and the average low-temperature is 73.4°F (23°C).

How much does it rain in Key Largo in July?

In Key Largo, Florida, in July, it is raining for 15 days, with typically 5.9" (150mm) of accumulated precipitation.

How warm is the water in July in Key Largo?

In Key Largo, Florida, in July, the average water temperature is 85.6°F (29.8°C). For swimming, diving, and other water activities, temperatures between 77°F (25°C) and 84.2°F (29°C) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.
Average temperature in July - Key Largo, FL
  • Average high temperature in July: 90°F

Warmest months (with the highest average high temperature) are July, August and September (90°F).
The month with the lowest average high temperature is January (75°F).

  • Average low temperature in July: 73°F

Months with the highest average low temperature are July, August and September (73°F).
Coldest months (with the lowest average low temperature) are January and February (57°F).

Average rainfall in July - Key Largo, FL
  • Average rainfall in July: 5.9"

The wettest month (with the highest rainfall) is June (10").
The driest month (with the lowest rainfall) is December (1.4").

Average rainfall days in July - Key Largo, FL
  • Average rainfall days in July: 15 days

Months with the highest number of rainy days are August and September (17 days).
The month with the lowest number of rainy days is April (5 days).

Average sea temperature in July - Key Largo, FL
  • Average sea temperature in July: 85.5°F

The best month for swimming (with the highest average sea temperature) is August (86.8°F).
The coldest month (with the lowest average sea temperature) is February (72.6°F).

Average daylight in July / Average sunshine in July - Key Largo, FL
  • Average daylight in July: 13.5h

The month with the longest days is June (Average daylight: 13.7h).
The month with shortest days is December (Average daylight: 10.6h).

  • Average sunshine in July: 10h

Months with most sunshine are April, May, June and July (Average sunshine: 10h).
Months with least sunshine are January, November and December (Average sunshine: 7).

Average UV index in July - Key Largo, FL
  • Average UV index in July: 11

Months with the highest UV index are April, May, June, July and August (UV index 11).
The month with the lowest UV index is December (UV index 5).

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