July weather forecast and climate
Bay Harbor Islands, FL

Weather in July

July in Bay Harbor Islands, Florida, is a hot summer month, with average temperature varying between 81.3°F (27.4°C) and 87.4°F (30.8°C).

Temperature

In July, the average high-temperature is practically the same as in June - a tropical 87.4°F (30.8°C). In Bay Harbor Islands, Florida,, the average low-temperature is 81.3°F (27.4°C).

Heat index

In July, the average heat index is calculated to be a torrid 99.9°F (37.7°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'feels like', 'apparent temperature', or 'real feel', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. Additional factors like pregnancy, differences in body mass, height, and shape, metabolic differences, and activity influence one's weather impression. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. 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.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.

Humidity

The average relative humidity is 72%.

Rainfall

In July, the rain falls for 18.2 days. Throughout July, 1.69" (43mm) of precipitation is accumulated. Throughout the year, in Bay Harbor Islands, there are 157 rainfall days, and 11.34" (288mm) of precipitation is accumulated.

Snowfall

January through August, October through December are months without snowfall.

Ocean temperature

In July, the average ocean temperature is 85.3°F (29.6°C).
Note: 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.

Daylight

In Bay Harbor Islands, the average length of the day is 13.6h.

Sunshine

July has the most sunshine of the year in Bay Harbor Islands, with an average of 11h of sunshine.

UV index

May through September, with an average maximum UV index of 7, are months with the highest UV index in Bay Harbor Islands. A UV Index reading of 6 to 7 represents a high threat to health from the exposure to the Sun's UV radiation for the ordinary person.
Note: In July, the average maximum UV index of 7 translate into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in July in Bay Harbor Islands?

In July, in Bay Harbor Islands, Florida, the average high-temperature is 87.4°F (30.8°C), and the average low-temperature is 81.3°F (27.4°C). In July, the average heat index (a.k.a. 'feels like', 'real feel'), which factors the actual air temperature with the relative humidity, is calculated to be 99.9°F (37.7°C).

What is the average humidity in July in Bay Harbor Islands?

The average relative humidity in July in Bay Harbor Islands, Florida, is 72%.

How many days does it rain in July in Bay Harbor Islands?

In July, in Bay Harbor Islands, the rain falls for 18.2 days. Throughout July, 1.69" (43mm) of precipitation is accumulated.

When it does not snow in Bay Harbor Islands?

January through August, October through December are months without snowfall.

What is the ocean temperature in July in Bay Harbor Islands?

In July, the average ocean temperature is 85.3°F (29.6°C). 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.

How many hours of daylight does Bay Harbor Islands have in July?

The average length of the day in July in Bay Harbor Islands is 13.6h.

What month has the most sunshine in Bay Harbor Islands?

The month with the most sunshine is July, with an average of 11h of sunshine.

How many hours of sunshine does Bay Harbor Islands have in July?

In July, the average sunshine in Bay Harbor Islands is 11h.

What are the months with the highest UV index in Bay Harbor Islands?

Months with the highest UV index in Bay Harbor Islands, Florida, are May through September, with an average maximum UV index of 7.

What is the UV index reading in July in Bay Harbor Islands?

In Bay Harbor Islands, Florida, the average daily maximum UV index in July is 7. A UV Index estimate of 6 to 7 represents a high hazard to health from the exposure to the Sun's UV radiation.

Average temperature in July
Bay Harbor Islands, FL

Average temperature in July - Bay Harbor Islands, FL
  • Average high temperature in July: 87.4°F

The warmest month (with the highest average high temperature) is August (87.6°F).
The month with the lowest average high temperature is January (73°F).

  • Average low temperature in July: 81.3°F

The month with the highest average low temperature is August (82°F).
The coldest month (with the lowest average low temperature) is January (64°F).

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Average pressure in July
Bay Harbor Islands, FL

Average pressure in July - Bay Harbor Islands, FL
  • Average pressure in July: 30.03"

The month with the highest atmospheric pressure is January (30.11").
Months with the lowest atmospheric pressure are September and October (29.95").

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Average wind speed in July
Bay Harbor Islands, FL

Average wind speed in July - Bay Harbor Islands, FL
  • Average wind speed in July: 7.7mph

The windiest month (with the highest average wind speed) is March (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.7mph).

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Average humidity in July
Bay Harbor Islands, FL

Average humidity in July - Bay Harbor Islands, FL
  • Average humidity in July: 72%

The month with the highest relative humidity is December (75%).
The month with the lowest relative humidity is March (69%).

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Average rainfall in July
Bay Harbor Islands, FL

Average rainfall in July - Bay Harbor Islands, FL
  • Average rainfall in July: 1.69"

The wettest month (with the highest rainfall) is August (1.97").
The driest month (with the least rainfall) is January (0.31").

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Average rainfall days in July
Bay Harbor Islands, FL

Average rainfall days in July - Bay Harbor Islands, FL
  • Average rainfall days in July: 18.2 days

The month with the highest number of rainy days is September (21.7 days).
The month with the least rainy days is February (6.8 days).

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Average snowfall in July
Bay Harbor Islands, FL

Average snowfall in July - Bay Harbor Islands, FL
  • Average snowfall in July: 0"

The month with the highest snowfall is September (0.04").
Months with the least snowfall are January, February, March, April, May, June, July, August, October, November and December (0").

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Average snowfall days in July
Bay Harbor Islands, FL

Average snowfall days in July - Bay Harbor Islands, FL
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is September (0.1 days).
Months with the least snowfall days are January, February, March, April, May, June, July, August, October, November and December (0 days).

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Average sea temperature in July
Bay Harbor Islands, FL

Average sea temperature in July - Bay Harbor Islands, FL
  • Average sea temperature in July: 85.3°F

The best month for swimming (with the highest average sea temperature) is August (86.5°F).
The coldest month (with the lowest average sea temperature) is February (74°F).

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Average daylight in July /
Average sunshine in July
Bay Harbor Islands, FL

Average daylight in July / Average sunshine in July - Bay Harbor Islands, 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: 11h

The month with the most sunshine is July (Average sunshine: 11h).
The month with the least sunshine is December (Average sunshine: 6.3h).

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Average sunshine days in July
Bay Harbor Islands, FL

Average sunshine days in July - Bay Harbor Islands, FL
  • Average sunshine days in July: 6.5 days

The month with the most sunshine days is March (20.3 days).
The month with the least sunshine days is September (4.4 days).

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Average UV index in July
Bay Harbor Islands, FL

Average UV index in July - Bay Harbor Islands, FL
  • Average UV index in July: 7

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

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Average cloud cover in July
Bay Harbor Islands, FL

Average cloud cover in July - Bay Harbor Islands, FL
  • Average cloud cover in July: 28

The month with the most cloud cover is October (Cloud cover 35).
The month with the least cloud cover is April (Cloud cover 27).

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Average visibility in July
Bay Harbor Islands, FL

Average visibility in July - Bay Harbor Islands, 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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