July weather forecast
Glen Lyn, VA

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Weather in July

July, the same as June, is another warm summer month in Glen Lyn, Virginia, with an average temperature fluctuating between 59.4°F (15.2°C) and 82.4°F (28°C).

Temperature

The warmest temperatures occur during July, when averages reach a peak of 82.4°F (28°C) and a low of 59.4°F (15.2°C).

Heat index

For July, the heat index is calculated to be a tropical 89.6°F (32°C). Prolonged exposure and physical activity might induce exhaustion, potentially causing heat cramps.
Be aware that heat index ratings are designed for shaded locations and minor breezes. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'real feel' or 'felt air temperature', offers an insight into how hot it feels when we factor in moisture content. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.

Humidity

The months with the lowest humidity are June, July and November, with an average relative humidity of 77%.

Rainfall

In Glen Lyn, in July, during 17.4 rainfall days, 1.93" (49mm) of precipitation is typically accumulated. In Glen Lyn, Virginia, during the entire year, the rain falls for 158.3 days and collects up to 23.5" (597mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In July, the average length of the day in Glen Lyn is 14h and 26min.
On the first day of July in Glen Lyn, sunrise is at 6:06 am and sunset at 8:48 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 8:31 pm EDT.

Sunshine

June and July, with an average of 10.1h of sunshine, are months with the most sunshine in Glen Lyn.

UV index

The average daily maximum UV index in July is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.
Note: In July, the maximum UV index of 5 suggests these recommendations:
Undertake protective steps - Preventing sun damage is advised. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the hottest time of year in Glen Lyn?

The warmest month in Glen Lyn, Virginia, is July, with an average high-temperature of 82.4°F (28°C) and an average low-temperature of 59.4°F (15.2°C).

Is it hot in Glen Lyn during July?

During July, Glen Lyn experiences an average high-temperature of 82.4°F (28°C) and a low-temperature of 59.4°F (15.2°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in July is calculated to be 89.6°F (32°C).

What is the least humid month in Glen Lyn?

June, July and November, with an average relative humidity of 77%, are the least humid months in Glen Lyn, Virginia.

What is the average humidity in July in Glen Lyn?

In Glen Lyn, Virginia, the average relative humidity in July is 77%.

How many days does it rain in July in Glen Lyn?

In Glen Lyn, Virginia, in July, during 17.4 rainfall days, 1.93" (49mm) of precipitation is typically accumulated.

When it does not snow in Glen Lyn?

June through September are months without snowfall.

What is the average length of the day in July in Glen Lyn?

In July, the average day length in Glen Lyn, Virginia, is 14h and 26min.

What time are sunrise and sunset in July in Glen Lyn?

On the first day of July in Glen Lyn, sunrise is at 6:06 am and sunset at 8:48 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 8:31 pm EDT.

What are the months with the most sunshine in Glen Lyn?

The months with the most sunshine in Glen Lyn, Virginia, are June and July, with an average of 10.1h of sunshine.

How long on average sun shines in July in Glen Lyn?

The average sunshine duration in July in Glen Lyn is 10.1h.

What is the UV index reading in July in Glen Lyn?

In Glen Lyn, Virginia, the average daily maximum UV index in July is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from unprotected exposure to 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
Glen Lyn, VA

Average temperature in July - Glen Lyn, VA
  • Average high temperature in July: 82.4°F

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (38.1°F).

  • Average low temperature in July: 59.4°F

The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

Average pressure in July
Glen Lyn, VA

Average pressure in July - Glen Lyn, VA
  • 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 (29.99"Hg).

Average wind speed in July
Glen Lyn, VA

Average wind speed in July - Glen Lyn, VA
  • Average wind speed in July: 4.5mph

The windiest months (with the highest average wind speed) are January and February (7.5mph).
The calmest month (with the lowest average wind speed) is August (4mph).

Average humidity in July
Glen Lyn, VA

Average humidity in July - Glen Lyn, VA
  • Average humidity in July: 77%

The months with the highest relative humidity are February and December (81%).
The months with the lowest relative humidity are June, July and November (77%).

Average rainfall in July
Glen Lyn, VA

Average rainfall in July - Glen Lyn, VA
  • Average rainfall in July: 1.93"

The wettest month (with the highest rainfall) is May (2.8").
The driest month (with the least rainfall) is September (1.34").

Average rainfall days in July
Glen Lyn, VA

Average rainfall days in July - Glen Lyn, VA
  • Average rainfall days in July: 17.4 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is October (8.8 days).

Average snowfall in July
Glen Lyn, VA

Average snowfall in July - Glen Lyn, VA
  • Average snowfall in July: 0"

The month with the highest snowfall is January (3.43").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in July
Glen Lyn, VA

Average snowfall days in July - Glen Lyn, VA
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is February (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in July /
Average sunshine in July
Glen Lyn, VA

Average daylight in July / Average sunshine in July - Glen Lyn, VA
  • Average daylight in July: 14h and 2min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in July: 10h and 1min

The months with the most sunshine are June and July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).

Average sunshine days in July
Glen Lyn, VA

Average sunshine days in July - Glen Lyn, VA
  • Average sunshine days in July: 11.3 days

The month with the most sunshine days is October (20.1 days).
The month with the least sunshine days is May (10.7 days).

Average UV index in July
Glen Lyn, VA

Average UV index in July - Glen Lyn, VA
  • Average UV index in July: 5

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

Average cloud cover in July
Glen Lyn, VA

Average cloud cover in July - Glen Lyn, VA
  • Average cloud cover in July: 38

The months with the most cloud cover are January and February (Cloud cover 56).
The months with the least cloud cover are June and July (Cloud cover 38).

Average visibility in July
Glen Lyn, VA

Average visibility in July - Glen Lyn, VA
  • Average visibility in July: 5mi

The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (5mi).
The month with the lowest visibility is September (4mi).

Glen Lyn, Virginia, USA

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