July weather forecast
Myrtle Island, FL

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Weather in July

July, the same as June, in Myrtle Island, Florida, is another hot summer month, with an average temperature fluctuating between 74.7°F (23.7°C) and 91.6°F (33.1°C).

Temperature

July's average high-temperature is a still tropical 91.6°F (33.1°C), maintaining a close comparison with June's 90.7°F (32.6°C). Throughout July, the nighttime temperature averages to a moderately hot 74.7°F (23.7°C).

Heat index

The heat index for July is estimated at a life-threatening hot 116.6°F (47°C). Mindful: Heat cramps and heat exhaustion are to be expected. Extended physical effort might result in heatstroke.
Records show heat index calculations are tailored for shaded regions and mild winds. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'feels like', provides an understanding of perceived warmth by combining temperature and relative humidity. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.
The natural method the human body uses to remove excess heat is by perspiring and letting sweat evaporate. When relative humidity is on the rise, it curtails evaporation, thereby reducing the heat elimination from the body and causing the feeling of being excessively hot. Overheating risks increase with rising body temperatures, especially if heat release isn't efficient.

Humidity

July through September, with an average relative humidity of 77%, are the most humid months.

Rainfall

The month with the most rainfall is July, when the rain falls for 19.4 days and typically aggregates up to 2.68" (68mm) of precipitation.

Daylight

The average length of the day in July is 13h and 50min.
On the first day of July, sunrise is at 6:29 am and sunset at 8:30 pm. On the last day of the month, sunrise is at 6:45 am and sunset at 8:18 pm EDT.

Sunshine

With an average of 10.5h of sunshine, July has the most sunshine of the year.

UV index

May through August, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for average individuals.
Note: A typical high UV index of 7 in July suggests the following recommendations:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Updated: Jun 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in July?

Myrtle Island in July has an average high-temperature of 91.6°F (33.1°C) and an average low-temperature of 74.7°F (23.7°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in July is estimated at 116.6°F (47°C).

What is the most humid month?

The months with the highest humidity are July through September, with an average relative humidity of 77%.

What is the average humidity in July?

In Myrtle Island, the average relative humidity in July is 77%.

What is the rainiest month?

July is the month with the most rainfall. Rain falls for 19.4 days and accumulates 2.68" (68mm) of precipitation.

How much does it rain in July?

In Myrtle Island, in July, it is raining for 19.4 days, with typically 2.68" (68mm) of accumulated precipitation.

How many hours of daylight does Myrtle Island have in July?

The average day length in July is 13h and 50min.

When are sunrise and sunset in July?

On the first day of July in Myrtle Island, Florida, sunrise is at 6:29 am and sunset at 8:30 pm. On the last day of the month, sunrise is at 6:45 am and sunset at 8:18 pm EDT.

What month has the most sunshine?

The month with the most sunshine in Myrtle Island is July, with an average of 10.5h of sunshine.

How many hours of sunshine does Myrtle Island have in July?

The average sunshine duration in July is 10.5h.

When is the highest UV index?

The months with the highest UV index are May through August, with an average maximum UV index of 7.

What is the UV index intensity in July?

In July, the average daily maximum UV index is 7. A UV Index of 6 to 7 symbolizes a high health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Myrtle Island, FL

Average temperature in July - Myrtle Island, FL
  • Average high temperature in July: 91.6°F

The warmest month (with the highest average high temperature) is August (92.3°F).
The month with the lowest average high temperature is January (66.4°F).

  • Average low temperature in July: 74.7°F

The month with the highest average low temperature is August (75.2°F).
The coldest month (with the lowest average low temperature) is January (48.7°F).

Average pressure in July
Myrtle Island, FL

Average pressure in July - Myrtle Island, FL
  • Average pressure in July: 30.02"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is September (29.97"Hg).

Average wind speed in July
Myrtle Island, FL

Average wind speed in July - Myrtle Island, FL
  • Average wind speed in July: 4mph

The windiest month (with the highest average wind speed) is April (5.5mph).
The calmest month (with the lowest average wind speed) is July (4mph).

Average humidity in July
Myrtle Island, FL

Average humidity in July - Myrtle Island, FL
  • Average humidity in July: 77%

The months with the highest relative humidity are July, August and September (77%).
The month with the lowest relative humidity is March (71%).

Average rainfall in July
Myrtle Island, FL

Average rainfall in July - Myrtle Island, FL
  • Average rainfall in July: 2.68"

The wettest month (with the highest rainfall) is July (2.68").
The driest month (with the least rainfall) is January (0.71").

Average rainfall days in July
Myrtle Island, FL

Average rainfall days in July - Myrtle Island, FL
  • Average rainfall days in July: 19.4 days

The month with the highest number of rainy days is August (20.2 days).
The month with the least rainy days is November (8 days).

Average daylight in July /
Average sunshine in July
Myrtle Island, FL

Average daylight in July / Average sunshine in July - Myrtle Island, FL
  • Average daylight in July: 13h and 5min

The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).

  • Average sunshine in July: 10h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).

Average sunshine days in July
Myrtle Island, FL

Average sunshine days in July - Myrtle Island, FL
  • Average sunshine days in July: 9.9 days

The month with the most sunshine days is January (20.3 days).
The month with the least sunshine days is August (8.6 days).

Average UV index in July
Myrtle Island, FL

Average UV index in July - Myrtle Island, FL
  • Average UV index in July: 7

The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 4).

Average cloud cover in July
Myrtle Island, FL

Average cloud cover in July - Myrtle Island, FL
  • Average cloud cover in July: 33

The months with the most cloud cover are February and December (Cloud cover 42).
The month with the least cloud cover is May (Cloud cover 32).

Average visibility in July
Myrtle Island, FL

Average visibility in July - Myrtle Island, FL
  • Average visibility in July: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is December (5mi).

Myrtle Island, Florida, USA

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