July weather forecast and climate
Dismal Key, FL

Weather in July

July, the same as June, in Dismal Key, Florida, is another hot summer month, with average temperature ranging between max 87.4°F (30.8°C) and min 79.7°F (26.5°C).

Temperature

In Dismal Key, the average high-temperature in July is practically the same as in June - a still hot 87.4°F (30.8°C). In July, in Dismal Key, the average low-temperature is 79.7°F (26.5°C).

Heat index

In July, the average heat index is calculated to a torrid 100.4°F (38°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Note that heat index values are valued for light wind and location in the shade. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'felt air temperature', 'apparent temperature', or 'real feel', is a measure of how hot it feels when the actual air humidity is factored in. Additional factors like clothing, metabolic differences, pregnancy, and activity influence one's weather impression. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.

Humidity

In July, the average relative humidity is 73%.

Rainfall

In July, in Dismal Key, the rain falls for 20 days. Throughout July, 3.62" (92mm) of precipitation is accumulated. In Dismal Key, during the entire year, the rain falls for 162.1 days and collects up to 21.69" (551mm) of precipitation.

Daylight

In July, the average length of the day is 13.6h.

Sunshine

Months with the most sunshine are May and July, with an average of 11.1h of sunshine.

UV index

May through September, with an average maximum UV index of 7, are months with the highest UV index in Dismal Key. A UV Index estimate of 6 to 7 represents a high health vulnerability from the exposure to the Sun's UV radiation for the ordinary person.
Note: The average daily UV index of 7 transform into the following instructions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in July in Dismal Key?

In Dismal Key, in July, the average high-temperature is 87.4°F (30.8°C), and the average low-temperature is 79.7°F (26.5°C). The average heat index (a.k.a. 'real feel', 'feels like'), that combines both air temperature and relative humidity, in July is estimated at 100.4°F (38°C).

What is the average humidity in July in Dismal Key?

In Dismal Key, Florida, the average relative humidity in July is 73%.

How much does it rain in Dismal Key in July?

In Dismal Key, in July, during 20 rainfall days, 3.62" (92mm) of precipitation is typically accumulated.

How many hours of daylight does Dismal Key have in July?

In July, the average length of the day in Dismal Key, Florida, is 13.6h.

What is the month with the most sunshine in Dismal Key?

Months with the most sunshine in Dismal Key, Florida, are May and July, with an average of 11.1h of sunshine.

How long on average sun shines in July in Dismal Key?

In Dismal Key, Florida, the average sunshine in July is 11.1h.

What is the month with the highest UV index in Dismal Key?

Months with the highest UV index are May through September, with an average maximum UV index of 7.

How high is the UV index in July in Dismal Key?

The average daily maximum UV index in July in Dismal Key, Florida, is 7. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to the Sun's UV rays.

Average temperature in July
Dismal Key, FL

Average temperature in July - Dismal Key, FL
  • Average high temperature in July: 87.4°F

The warmest month (with the highest average high temperature) is August (88.3°F).
The month with the lowest average high temperature is January (71.6°F).

  • Average low temperature in July: 79.7°F

The month with the highest average low temperature is August (80.2°F).
The coldest month (with the lowest average low temperature) is January (59.5°F).

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Average pressure in July
Dismal Key, FL

Average pressure in July - Dismal Key, FL
  • Average pressure in July: 30.02"

The month with the highest atmospheric pressure is January (30.11").
The month with the lowest atmospheric pressure is September (29.94").

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Average wind speed in July
Dismal Key, FL

Average wind speed in July - Dismal Key, FL
  • Average wind speed in July: 6.2mph

The windiest month (with the highest average wind speed) is November (9.2mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).

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Average humidity in July
Dismal Key, FL

Average humidity in July - Dismal Key, FL
  • Average humidity in July: 73%

The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is March (72%).

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Average rainfall in July
Dismal Key, FL

Average rainfall in July - Dismal Key, FL
  • Average rainfall in July: 3.62"

The wettest month (with the highest rainfall) is August (4.29").
The driest month (with the least rainfall) is March (0.63").

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Average rainfall days in July
Dismal Key, FL

Average rainfall days in July - Dismal Key, FL
  • Average rainfall days in July: 20 days

The month with the highest number of rainy days is August (22.4 days).
The month with the least rainy days is February (7 days).

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Average daylight in July /
Average sunshine in July
Dismal Key, FL

Average daylight in July / Average sunshine in July - Dismal Key, FL
  • Average daylight in July: 13.6h

The month with the longest days is June (Average daylight: 13.7h).
The month with the shortest days is December (Average daylight: 10.5h).

  • Average sunshine in July: 11.1h

Months with the most sunshine are May and July (Average sunshine: 11.1h).
The month with the least sunshine is December (Average sunshine: 6.7h).

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Average sunshine days in July
Dismal Key, FL

Average sunshine days in July - Dismal Key, FL
  • Average sunshine days in July: 8.3 days

The month with the most sunshine days is January (21.8 days).
The month with the least sunshine days is August (6.8 days).

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Average UV index in July
Dismal Key, FL

Average UV index in July - Dismal Key, FL
  • Average UV index in July: 7

Months with the highest UV index are May, June, July, August and September (UV index 7).
Months with the lowest UV index are January and February (UV index 5).

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Average cloud cover in July
Dismal Key, FL

Average cloud cover in July - Dismal Key, FL
  • Average cloud cover in July: 25

The month with the most cloud cover is January (Cloud cover 28).
Months with the least cloud cover are March and April (Cloud cover 22).

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Average visibility in July
Dismal Key, FL

Average visibility in July - Dismal Key, FL
  • Average visibility in July: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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