July weather forecast
Unionville, VA

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Weather in July

July in Unionville, Virginia, is a hot summer month, with temperature in the range of an average high of 88.3°F (31.3°C) and an average low of 66°F (18.9°C).

Temperature

July, recognised by an average high temperature of 88.3°F (31.3°C) and a low of 66°F (18.9°C), is Unionville's warmest month.

Heat index

The heat index for July is estimated at a sweltering 102.2°F (39°C). Adopt enhanced safety measures, heat exhaustion and heat cramps could occur. Continuous activity may induce heatstroke.
Keep in mind the heat index values are meant for areas in shade and with light wind. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', combines air temperature and relative humidity to represent a human perceived temperature equivalent. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values hold particular significance for children. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
To combat high temperatures, the human body perspires and relies on sweat evaporation for cooling. When the air holds a significant amount of moisture, the efficiency of the evaporation process is decreased, preventing the body from cooling down efficiently, leading to the sensation of overheating. Temperature imbalances caused by excessive heat retention can trigger heat-related maladies.

Humidity

The least humid month is July, with an average relative humidity of 71%.

Rainfall

In Unionville, in July, it is raining for 16.5 days, with typically 2.32" (59mm) of accumulated precipitation. Throughout the year, there are 158.3 rainfall days, and 28.5" (724mm) of precipitation is accumulated.

Snowfall

In Unionville, snow does not fall in May through October.

Daylight

The average length of the day in July is 14h and 31min.
On the first day of July, sunrise is at 5:52 am and sunset at 8:39 pm. On the last day of the month, sunrise is at 6:14 am and sunset at 8:22 pm EDT.

Sunshine

The month with the most sunshine is July, with an average of 10.7h of sunshine.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for average individuals.
Note: In July, the maximum UV index of 6 transforms into these recommendations:
Stay clear of intense sun exposure. Solar protection is of utmost significance. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Updated: Jul 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the hottest in Unionville?

July registers as the month with the average highest temperatures, reaching 88.3°F (31.3°C) at its peak and 66°F (18.9°C) at the lowest.

How hot is it in July?

Unionville in July has an average high-temperature of 88.3°F (31.3°C) and an average low-temperature of 66°F (18.9°C). In July, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is estimated at 102.2°F (39°C).

What is the least humid month?

July is the least humid month, with an average relative humidity of 71%.

What is the average humidity in July?

In Unionville, the average relative humidity in July is 71%.

How much does it rain in July?

In Unionville, during July, the rain falls for 16.5 days and regularly aggregates up to 2.32" (59mm) of precipitation.

When it does not snow?

In Unionville, snow does not fall in May through October.

How many hours of daylight does Unionville have in July?

In July, the average day length is 14h and 31min.

When is the sunrise / sunset in July?

In July, on the first day of the month, sunrise is at 5:52 am and sunset at 8:39 pm. On the last day of the month, in Unionville, sunrise is at 6:14 am and sunset at 8:22 pm EDT.

What month has the most sunshine?

The month with the most sunshine is July, with an average of 10.7h of sunshine.

How long on average sun shines in July?

In July, the average sunshine duration is 10.7h.

What is the month with the highest UV index?

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

What is the UV index reading in July?

The average daily maximum UV index in July is 6. A UV Index of 6 to 7 symbolizes a high health threat from exposure to Sun's UV rays.
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
Unionville, VA

Average temperature in July - Unionville, VA
  • Average high temperature in July: 88.3°F

The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (41.5°F).

  • Average low temperature in July: 66°F

The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).

Average pressure in July
Unionville, VA

Average pressure in July - Unionville, VA
  • Average pressure in July: 29.98"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

Average wind speed in July
Unionville, VA

Average wind speed in July - Unionville, VA
  • Average wind speed in July: 4.6mph

The windiest month (with the highest average wind speed) is April (6.7mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

Average humidity in July
Unionville, VA

Average humidity in July - Unionville, VA
  • Average humidity in July: 71%

The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (71%).

Average rainfall in July
Unionville, VA

Average rainfall in July - Unionville, VA
  • Average rainfall in July: 2.32"

The wettest month (with the highest rainfall) is April (2.95").
The driest months (with the least rainfall) are January and September (1.85").

Average rainfall days in July
Unionville, VA

Average rainfall days in July - Unionville, VA
  • Average rainfall days in July: 16.5 days

The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is November (9.1 days).

Average snowfall in July
Unionville, VA

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

The month with the highest snowfall is January (2.99").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in July
Unionville, VA

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

The month with the highest number of snowfall days is January (4.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in July / Average sunshine in July - Unionville, VA
  • Average daylight in July: 14h and 3min

The month with the longest days is June (Average daylight: 14h and 48min).
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 42min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).

Average sunshine days in July
Unionville, VA

Average sunshine days in July - Unionville, VA
  • Average sunshine days in July: 12.3 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is May (11.7 days).

Average UV index in July
Unionville, VA

Average UV index in July - Unionville, 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).

Average cloud cover in July
Unionville, VA

Average cloud cover in July - Unionville, VA
  • Average cloud cover in July: 30

The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 30).

Average visibility in July
Unionville, VA

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

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

Unionville, Virginia, USA

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