July weather forecastDuck Key, FL
July
Weather in July
July, the same as June, is a moderately hot summer month in Duck Key, Florida, with an average temperature fluctuating between 84.6°F (29.2°C) and 82.6°F (28.1°C).Temperature
The advent of July reveals an average high-temperature of a still warm 84.6°F (29.2°C), showing minimal difference from the prior month. In Duck Key, July nights experience a modest descent in temperature from daily peaks, cooling down to an average of 82.6°F (28.1°C).Heat index
The average heat index in July is appraised at a tropical 93.2°F (34°C). Preventive measures are required to mitigate the risk of heat cramps and heat exhaustion. Continuous activity may precipitate heatstroke.In terms of the heat index, values are set with light wind and shade conditions in mind. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is the result of factoring in humidity to the air temperature, indicating perceived warmth. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
Humidity
In July, the average relative humidity is 74%.Rainfall
In Duck Key, in July, it is raining for 20.1 days, with typically 2.95" (75mm) of accumulated precipitation. Throughout the year, there are 186.2 rainfall days, and 24.45" (621mm) of precipitation is accumulated.Ocean temperature
In Duck Key, the average seawater temperature in July is 85.5°F (29.7°C).Note: For any water activity, surface water temperatures between 77°F (25°C) and 84.2°F (29°C) are considered as excellent and extremely pleasant for lengthened periods.
Daylight
The average length of the day in July is 13h and 30min.On the first day of the month, sunrise is at 6:38 am and sunset at 8:17 pm. On the last day of July, sunrise is at 6:51 am and sunset at 8:08 pm EDT.
Sunshine
July has the most sunshine of the year, with an average of 11.1h of sunshine.UV index
The months with the highest UV index are April through October, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the average person.Note: During July, 7 as the daily maximum UV index converts into the following advice:
Ward off overexposure. Defence against solar harm is crucial. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Experience reduced UV exposure by about half when donning a wide-brim hat. Caution! The reflection of sand and water significantly amplifies the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Duck Key, FL
- Average high temperature in July: 84.6°F
The warmest month (with the highest average high temperature) is August (85.5°F).
The month with the lowest average high temperature is January (72.9°F).
- Average low temperature in July: 82.6°F
The month with the highest average low temperature is August (82.9°F).
The coldest month (with the lowest average low temperature) is January (67.5°F).
Average pressure in July
Duck Key, FL
- Average pressure in July: 30.02"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are September and October (29.94"Hg).
Average wind speed in July
Duck Key, FL
- Average wind speed in July: 9mph
The windiest month (with the highest average wind speed) is January (13.4mph).
The calmest month (with the lowest average wind speed) is July (9mph).
Average humidity in July
Duck Key, FL
- Average humidity in July: 74%
The months with the highest relative humidity are February and December (77%).
The month with the lowest relative humidity is March (73%).
Average rainfall in July
Duck Key, FL
- Average rainfall in July: 2.95"
The wettest month (with the highest rainfall) is September (4.21").
The driest month (with the least rainfall) is March (0.43").
Average rainfall days in July
Duck Key, FL
- Average rainfall days in July: 20.1 days
The month with the highest number of rainy days is September (23 days).
The month with the least rainy days is February (10.3 days).
Average sea temperature in July
Duck Key, FL
- Average sea temperature in July: 85.5°F
The best month for swimming (with the highest average sea temperature) is August (86.6°F).
The coldest months (with the lowest average sea temperature) are January and February (73.9°F).
Average daylight in July /
Average sunshine in July
Duck Key, FL
- Average daylight in July: 13h and 30min
The month with the longest days is June (Average daylight: 13h and 42min).
The month with the shortest days is December (Average daylight: 10h and 36min).
- Average sunshine in July: 11h and 6min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).
Average sunshine days in July
Duck Key, FL
- Average sunshine days in July: 9.2 days
The month with the most sunshine days is March (18 days).
The month with the least sunshine days is September (4.6 days).
Average UV index in July
Duck Key, FL
- Average UV index in July: 7
The months with the highest UV index are April, May, June, July, August, September and October (UV index 7).
The month with the lowest UV index is January (UV index 5).
Average cloud cover in July
Duck Key, FL
- Average cloud cover in July: 26
The months with the most cloud cover are January and October (Cloud cover 32).
The month with the least cloud cover is April (Cloud cover 23).
Average visibility in July
Duck Key, FL
- Average visibility in July: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
