July weather forecast
Port Royal, VA

Share

Weather in July

July is a tropical summer month in Port Royal, Virginia, with temperature in the range of an average high of 87.4°F (30.8°C) and an average low of 69.4°F (20.8°C).

Temperature

Port Royal's July weather, marked by an average high temperature of 87.4°F (30.8°C) and an average low temperature of 69.4°F (20.8°C), is the warmest in the year.

Heat index

July's average heat index is calculated to be a very hot 100.4°F (38°C). Exercise heightened safety, heat cramps and heat exhaustion are probable. Persistent activity may provoke heatstroke.
Understanding the heat index involves considering values for shaded locales with light wind. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'feels like' or 'felt air temperature', embodies the combination of air temperature and moisture content to illustrate perceived heat. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.
The innate cooling system of the human body revolves around perspiration, with the evaporation of sweat being central to this process. 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. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.

Humidity

In Port Royal, the average relative humidity in July is 74%.

Rainfall

The months with the most rainfall in Port Royal are July and August, with an average 3.19" (81mm) of precipitation.

Snowfall

May through October are months without snowfall in Port Royal.

Daylight

The average length of the day in July is 14h and 31min.
On the first day of the month, sunrise is at 5:49 am and sunset at 8:35 pm. On the last day of July, in Port Royal, sunrise is at 6:11 am and sunset at 8:19 pm EDT.

Sunshine

The month with the most sunshine is July, with an average of 10.6h 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 estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In July, a daily UV index of 6 turns into the following recommendations:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the hottest in Port Royal?

In Port Royal, July is identified by the average highest temperatures, reaching a peak of 87.4°F (30.8°C) and a low of 69.4°F (20.8°C).

How hot is July in Port Royal?

July temperatures in Port Royal, Virginia, vary between a high-temperature of 87.4°F (30.8°C) and a low-temperature of 69.4°F (20.8°C). In July, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is calculated to be 100.4°F (38°C).

What is the average humidity in July in Port Royal?

In July, the average relative humidity in Port Royal is 74%.

What is the wettest month in Port Royal?

The months with the most rainfall are July and August, with an average 3.19" (81mm) of precipitation.

How many days does it rain in July in Port Royal?

In Port Royal, in July, during 16 rainfall days, 3.19" (81mm) of precipitation is typically accumulated.

When it does not snow in Port Royal?

May through October are months without snowfall.

How many hours of daylight does Port Royal have in July?

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

When are sunrise and sunset in July in Port Royal?

On the first day of July, sunrise is at 5:49 am and sunset at 8:35 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 8:19 pm EDT.

What month has the most sunshine in Port Royal?

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

How long on average sun shines in July in Port Royal?

In Port Royal, Virginia, the average sunshine duration in July is 10.6h.

When is the highest UV index in Port Royal?

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

What is the UV index reading in July in Port Royal?

In July, the average daily maximum UV index in Port Royal, Virginia, is 6. A UV Index reading of 6 to 7 represents a high health risk from unsafe 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
Port Royal, VA

Average temperature in July - Port Royal, VA
  • Average high temperature in July: 87.4°F

The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (42.3°F).

  • Average low temperature in July: 69.4°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).

Average pressure in July
Port Royal, VA

Average pressure in July - Port Royal, VA
  • Average pressure in July: 29.97"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).

Average wind speed in July
Port Royal, VA

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

The windiest month (with the highest average wind speed) is April (8mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

Average humidity in July
Port Royal, VA

Average humidity in July - Port Royal, VA
  • Average humidity in July: 74%

The months with the highest relative humidity are May and December (78%).
The month with the lowest relative humidity is April (73%).

Average rainfall in July
Port Royal, VA

Average rainfall in July - Port Royal, VA
  • Average rainfall in July: 3.19"

The wettest months (with the highest rainfall) are July and August (3.19").
The driest month (with the least rainfall) is September (1.97").

Average rainfall days in July
Port Royal, VA

Average rainfall days in July - Port Royal, VA
  • Average rainfall days in July: 16 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (9.4 days).

Average snowfall in July
Port Royal, VA

Average snowfall in July - Port Royal, VA
  • Average snowfall in July: 0"

The month with the highest snowfall is January (1.85").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in July
Port Royal, VA

Average snowfall days in July - Port Royal, VA
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (4 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
Port Royal, VA

Average daylight in July / Average sunshine in July - Port Royal, 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 36min).
The months with the least sunshine are February and December (Average sunshine: 5h and 6min).

Average sunshine days in July
Port Royal, VA

Average sunshine days in July - Port Royal, VA
  • Average sunshine days in July: 12.6 days

The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is May (11.9 days).

Average UV index in July
Port Royal, VA

Average UV index in July - Port Royal, 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 and December (UV index 2).

Average cloud cover in July
Port Royal, VA

Average cloud cover in July - Port Royal, VA
  • Average cloud cover in July: 31

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 31).

Average visibility in July
Port Royal, VA

Average visibility in July - Port Royal, VA
  • Average visibility in July: 6mi

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

Port Royal, Virginia, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location