July weather forecast
Mechanicsville, VA

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Weather in July

July is a tropical summer month in Mechanicsville, Virginia, with temperature in the range of an average high of 90.9°F (32.7°C) and an average low of 70.2°F (21.2°C).

Temperature

July, with its high-temperature average of 90.9°F (32.7°C) and a low-temperature average of 70.2°F (21.2°C), is the warmest month.

Heat index

The heat index for July is calculated to be a blisteringly hot 107.6°F (42°C). Apply extra caution, heat cramps and heat exhaustion could happen. Heatstroke might occur with long-duration activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', 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. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Young children typically face greater hazards than adults because they do not sweat as much. Their larger skin surface in comparison to their little bodies and the high heat production from their active nature compounds their vulnerability.
By perspiring, the human body can shed its excessive warmth since evaporated sweat cools it off. Heightened relative humidity interferes with the body's usual cooling mechanism by reducing evaporation, subsequently decreasing the body's cooling rate and increasing the sensation of heat. Overheating and potential dehydration arise when body heat gain eclipses its release capability.

Humidity

July is the least humid month in Mechanicsville, Virginia, with an average relative humidity of 68%.

Rainfall

In Mechanicsville, in July, during 15.3 rainfall days, 2.52" (64mm) of precipitation is typically accumulated. Throughout the year, in Mechanicsville, Virginia, there are 154.5 rainfall days, and 30.35" (771mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Daylight

In Mechanicsville, the average length of the day in July is 14h and 28min.
On the first day of July in Mechanicsville, sunrise is at 5:52 am and sunset at 8:34 pm. On the last day of the month, sunrise is at 6:13 am and sunset at 8:18 pm EDT.

Sunshine

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

UV index

July is the month with the highest UV index in Mechanicsville, Virginia, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The average daily UV index of 7 in July transforms into the following instructions:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Resources | Updated: Feb 14, 2024 | Published by: Weather U.S.

Frequently asked questions

What is the warmest month in Mechanicsville?

The warmest period in Mechanicsville tends to be July, when average temperatures fluctuate between a high of 90.9°F (32.7°C) and a low of 70.2°F (21.2°C).

How hot does it get in Mechanicsville in July?

In Mechanicsville, in July, the average high-temperature is 90.9°F (32.7°C), and the average low-temperature is 70.2°F (21.2°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines relative humidity and air temperature, in July is calculated to be 107.6°F (42°C).

What is the least humid month in Mechanicsville?

The least humid month in Mechanicsville, Virginia, is July, with an average relative humidity of 68%.

What is the average humidity in July in Mechanicsville?

The average relative humidity in July is 68%.

How much does it rain in Mechanicsville in July?

In July, the rain falls for 15.3 days. Throughout July, 2.52" (64mm) of precipitation is accumulated.

When it does not snow in Mechanicsville?

May through October are months without snowfall in Mechanicsville.

How many hours of daylight does Mechanicsville have in July?

In Mechanicsville, the average day length in July is 14h and 28min.

What time are sunrise and sunset in July in Mechanicsville?

On the first day of July in Mechanicsville, Virginia, sunrise is at 5:52 am and sunset at 8:34 pm. On the last day of the month, sunrise is at 6:13 am and sunset at 8:18 pm EDT.

What month has the most sunshine in Mechanicsville?

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

How long on average sun shines in July in Mechanicsville?

In Mechanicsville, Virginia, the average sunshine duration in July is 10.5h.

What is the month with the highest UV index in Mechanicsville?

July is the month with the highest UV index, with an average maximum UV index of 7.

What is the UV index reading in July in Mechanicsville?

In July, the average daily maximum UV index in Mechanicsville, Virginia, is 7. A UV Index estimate 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
Mechanicsville, VA

Average temperature in July - Mechanicsville, VA
  • Average high temperature in July: 90.9°F

The warmest month (with the highest average high temperature) is July (90.9°F).
The month with the lowest average high temperature is January (44.6°F).

  • Average low temperature in July: 70.2°F

The month with the highest average low temperature is July (70.2°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).

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Average pressure in July
Mechanicsville, VA

Average pressure in July - Mechanicsville, 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 (29.95"Hg).

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Average wind speed in July
Mechanicsville, VA

Average wind speed in July - Mechanicsville, VA
  • Average wind speed in July: 5.5mph

The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

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Average humidity in July
Mechanicsville, VA

Average humidity in July - Mechanicsville, VA
  • Average humidity in July: 68%

The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (68%).

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Average rainfall in July
Mechanicsville, VA

Average rainfall in July - Mechanicsville, VA
  • Average rainfall in July: 2.52"

The wettest month (with the highest rainfall) is August (2.87").
The driest month (with the least rainfall) is September (1.73").

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Average rainfall days in July
Mechanicsville, VA

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

The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is November (9.7 days).

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Average snowfall in July
Mechanicsville, VA

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

The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in July
Mechanicsville, VA

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

The month with the highest number of snowfall days is January (3.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

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

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 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 6min).

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Average sunshine days in July
Mechanicsville, VA

Average sunshine days in July - Mechanicsville, VA
  • Average sunshine days in July: 13.8 days

The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is May (12.1 days).

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Average UV index in July
Mechanicsville, VA

Average UV index in July - Mechanicsville, VA
  • Average UV index in July: 7

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).

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Average cloud cover in July
Mechanicsville, VA

Average cloud cover in July - Mechanicsville, VA
  • Average cloud cover in July: 32

The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 32).

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Average visibility in July
Mechanicsville, VA

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

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

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Mechanicsville, Virginia, USA

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