July weather forecast
Roanoke, VA

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Stunning dawn in the city of Roanoke, Virginia
Stunning dawn in the city of Roanoke, Virginia

Weather in July

Roanoke witnesses the peak of summer during July with temperatures reaching a high of 86.5°F (30.3°C) amidst extended durations of sunshine. Endless daylight hours coupled with long sunny days make this month ideal for outdoor activities and summer festivities. Constant balmy conditions persist, welcoming a wave of warmth across the city. Rainfall levels decrease compared to June, while the pleasant winds of spring and early summer settle down to a calm breeze. The dog days of summer in Roanoke certainly make their presence felt during this month.

Temperature

Temperature records mark July as the warmest month, with highs averaging 86.5°F (30.3°C) and lows at 62.6°F (17°C).

Heat index

The heat index value for July is computed to be a fiery hot 96.8°F (36°C). Ensure extra safety measures, heat exhaustion and heat cramps are likely. Continuous activity might result in heatstroke.
Bear in mind that the heat index values are determined for shaded areas and light breezes. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', evaluates the perceived heat by adding the effect of moisture in the air. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.
The human body has a built-in cooling mechanism through perspiration; evaporating sweat dissipates the excess heat. Augmented relative humidity impedes typical body cooling mechanisms by lowering the evaporation rate, resulting in decreased body cooling and an amplified perception of heat. Overheating and dehydration threats arise when heat gain goes beyond what the body can comfortably shed.

Humidity

The least humid month in Roanoke is July, with an average relative humidity of 72%.

Rainfall

In Roanoke, in July, during 15.3 rainfall days, 1.77" (45mm) of precipitation is typically accumulated. In Roanoke, during the entire year, the rain falls for 145.5 days and collects up to 25.04" (636mm) of precipitation.

Snowfall

In Roanoke, snow does not fall in May through September.

Daylight

In Roanoke, the average length of the day in July is 14h and 26min.
On the first day of July, sunrise is at 6:03 am and sunset at 8:44 pm. On the last day of the month, sunrise is at 6:24 am and sunset at 8:28 pm EDT.

Sunshine

July has the most sunshine of the year, with an average of 10.6h of sunshine.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index in Roanoke. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for average individuals.
Note: In July, a daily maximum UV index of 6 leads to the following instructions:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Opt for tightly woven and loose clothing to enhance protection from the Sun.
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Frequently asked questions

What is the hottest time of year in Roanoke?

July is the month when Roanoke sees the average highest temperatures, with a high of 86.5°F (30.3°C) and a low of 62.6°F (17°C).

How hot does it get in Roanoke in July?

The high-temperature, in July, in Roanoke, is 86.5°F (30.3°C), while the low-temperature averages to 62.6°F (17°C). The average heat index (a.k.a. 'real feel', 'feels like'), which combines relative humidity and air temperature, in July is computed to be 96.8°F (36°C).

What is the least humid month in Roanoke?

The least humid month is July, with an average relative humidity of 72%.

What is the average humidity in July in Roanoke?

The average relative humidity in July in Roanoke, Virginia, is 72%.

How many days does it rain in July in Roanoke?

In Roanoke, in July, it is raining for 15.3 days, with typically 1.77" (45mm) of accumulated precipitation.

When it does not snow in Roanoke?

In Roanoke, Virginia, snow does not fall in May through September.

What is the average length of the day in July in Roanoke?

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

When is the sunrise / sunset in July in Roanoke?

In July, on the first day of the month, sunrise is at 6:03 am and sunset at 8:44 pm. On the last day of the month, sunrise is at 6:24 am and sunset at 8:28 pm EDT.

What month has the most sunshine in Roanoke?

The month with the most sunshine in Roanoke, Virginia, is July, with an average of 10.6h of sunshine.

How long on average sun shines in July in Roanoke?

In July, the average sunshine duration in Roanoke is 10.6h.

What are the months with the highest UV index in Roanoke?

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

What is the UV index intensity in July in Roanoke?

In July, the average daily maximum UV index in Roanoke, Virginia, is 6. A UV Index of 6 to 7 symbolizes a high health risk 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
Roanoke, VA

Average temperature in July - Roanoke, VA
  • Average high temperature in July: 86.5°F

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (41.2°F).

  • Average low temperature in July: 62.6°F

The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).

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Average pressure in July
Roanoke, VA

Average pressure in July - Roanoke, 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 (29.98"Hg).

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Average wind speed in July
Roanoke, VA

Average wind speed in July - Roanoke, VA
  • Average wind speed in July: 4.2mph

The windiest month (with the highest average wind speed) is February (6.8mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).

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Average humidity in July
Roanoke, VA

Average humidity in July - Roanoke, VA
  • Average humidity in July: 72%

The months with the highest relative humidity are May, September and December (77%).
The month with the lowest relative humidity is July (72%).

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Average rainfall in July
Roanoke, VA

Average rainfall in July - Roanoke, VA
  • Average rainfall in July: 1.77"

The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is September (1.61").

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Average rainfall days in July
Roanoke, VA

Average rainfall days in July - Roanoke, VA
  • Average rainfall days in July: 15.3 days

The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is November (7.6 days).

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Average snowfall in July
Roanoke, VA

Average snowfall in July - Roanoke, VA
  • Average snowfall in July: 0"

The month with the highest snowfall is March (2.76").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in July
Roanoke, VA

Average snowfall days in July - Roanoke, VA
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is February (3.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in July /
Average sunshine in July
Roanoke, VA

Average daylight in July / Average sunshine in July - Roanoke, 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 4min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).

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Average sunshine days in July
Roanoke, VA

Average sunshine days in July - Roanoke, VA
  • Average sunshine days in July: 13.4 days

The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is May (11.6 days).

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Average UV index in July
Roanoke, VA

Average UV index in July - Roanoke, VA
  • 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, February, November and December (UV index 2).

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Average cloud cover in July
Roanoke, VA

Average cloud cover in July - Roanoke, VA
  • Average cloud cover in July: 31

The month with the most cloud cover is February (Cloud cover 45).
The months with the least cloud cover are June and July (Cloud cover 31).

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Average visibility in July
Roanoke, VA

Average visibility in July - Roanoke, VA
  • Average visibility in July: 6mi

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

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Roanoke, Virginia, USA

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