July weather forecast
Mountain Island, NC

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Weather in July

July, like June, is another hot summer month in Mountain Island, North Carolina, with temperature in the range of an average low of 69.1°F (20.6°C) and an average high of 90.1°F (32.3°C).

Temperature

July, noted for its average high-temperature of 90.1°F (32.3°C) and an average low-temperature of 69.1°F (20.6°C), is considered the warmest month.

Heat index

The average heat index in July is appraised at a blisteringly hot 105.8°F (41°C). Take additional safety steps, risk of heat exhaustion and heat cramps is notable. Prolonged activity may cause heatstroke.
Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', takes into account both air temperature and humidity to illustrate what people actually feel. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.
The process of perspiration is vital for the human body to get rid of excess warmth by allowing sweat to evaporate. When air moisture content is high, the cooling process through evaporation is not as efficient, leading to an ineffective body cooling process and a feeling of overheating. If the body retains more heat than it can expel, the increasing temperature can lead to heat-related conditions.

Humidity

The least humid month is July, with an average relative humidity of 70%.

Rainfall

In Mountain Island, in July, it is raining for 18.3 days, with typically 2.72" (69mm) of accumulated precipitation. Throughout the year, there are 158.9 rainfall days, and 31.26" (794mm) of precipitation is accumulated.

Snowfall

In Mountain Island, snow does not fall in April through October.

Daylight

In Mountain Island, the average length of the day in July is 14h and 16min.
On the first day of the month, sunrise is at 6:12 am and sunset at 8:42 pm. On the last day of July, sunrise is at 6:32 am and sunset at 8:27 pm EDT.

Sunshine

The month with the most sunshine is July, with an average of 10.8h of sunshine.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: The average daily UV index of 6 in July transforms into the following instructions:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Updated: Aug 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the hottest?

July is the month when Mountain Island sees the average highest temperatures, with a high of 90.1°F (32.3°C) and a low of 69.1°F (20.6°C).

How hot is it in July?

The average high-temperature and low-temperature during July are 90.1°F (32.3°C) and 69.1°F (20.6°C) respectively. In July, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, is appraised at 105.8°F (41°C).

What is the least humid month?

With an average relative humidity of 70%, July is the least humid month.

What is the average humidity in July?

In Mountain Island, the average relative humidity in July is 70%.

How much does it rain in July?

In Mountain Island, in July, it is raining for 18.3 days, with typically 2.72" (69mm) of accumulated precipitation.

When it does not snow?

April through October are months without snowfall.

What is the average length of the day in July?

In Mountain Island, the average day length in July is 14h and 16min.

When are sunrise and sunset in July?

On the first day of July, sunrise is at 6:12 am and sunset at 8:42 pm. On the last day of the month, sunrise is at 6:32 am and sunset at 8:27 pm EDT.

What month has the most sunshine?

July has the most sunshine of the year, with an average of 10.8h of sunshine.

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

In Mountain Island, the average sunshine duration in July is 10.8h.

When is the highest UV index?

The months with the highest UV index are May through August, with an average maximum UV index of 6.

How high is the UV index in July?

In July, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Mountain Island, NC

Average temperature in July - Mountain Island, NC
  • Average high temperature in July: 90.1°F

The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (47.8°F).

  • Average low temperature in July: 69.1°F

The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (32.5°F).

Average pressure in July
Mountain Island, NC

Average pressure in July - Mountain Island, NC
  • Average pressure in July: 30.01"Hg

The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

Average wind speed in July
Mountain Island, NC

Average wind speed in July - Mountain Island, NC
  • Average wind speed in July: 4.5mph

The windiest month (with the highest average wind speed) is April (7.2mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

Average humidity in July
Mountain Island, NC

Average humidity in July - Mountain Island, NC
  • Average humidity in July: 70%

The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is July (70%).

Average rainfall in July
Mountain Island, NC

Average rainfall in July - Mountain Island, NC
  • Average rainfall in July: 2.72"

The wettest month (with the highest rainfall) is August (3.43").
The driest month (with the least rainfall) is October (1.93").

Average rainfall days in July
Mountain Island, NC

Average rainfall days in July - Mountain Island, NC
  • Average rainfall days in July: 18.3 days

The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is November (8.8 days).

Average snowfall in July
Mountain Island, NC

Average snowfall in July - Mountain Island, NC
  • Average snowfall in July: 0"

The month with the highest snowfall is December (2.01").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in July
Mountain Island, NC

Average snowfall days in July - Mountain Island, NC
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is February (1.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in July /
Average sunshine in July
Mountain Island, NC

Average daylight in July / Average sunshine in July - Mountain Island, NC
  • Average daylight in July: 14h and 2min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in July: 10h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).

Average sunshine days in July
Mountain Island, NC

Average sunshine days in July - Mountain Island, NC
  • Average sunshine days in July: 10.6 days

The month with the most sunshine days is October (20.7 days).
The month with the least sunshine days is July (10.6 days).

Average UV index in July
Mountain Island, NC

Average UV index in July - Mountain Island, NC
  • Average UV index in July: 6

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).

Average cloud cover in July
Mountain Island, NC

Average cloud cover in July - Mountain Island, NC
  • Average cloud cover in July: 30

The month with the most cloud cover is December (Cloud cover 43).
The months with the least cloud cover are June and July (Cloud cover 30).

Average visibility in July
Mountain Island, NC

Average visibility in July - Mountain Island, NC
  • 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).

Mountain Island, North Carolina, USA

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