July weather forecast
Colonial Beach, VA

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Weather in July

July in Colonial Beach, Virginia, is a tropical summer month, with an average temperature varying between 69.4°F (20.8°C) and 87.4°F (30.8°C).

Temperature

The warmest period tends to be July, when average temperatures fluctuate between a high of 87.4°F (30.8°C) and a low of 69.4°F (20.8°C).

Heat index

July's mean heat index is appraised at a torrid 100.4°F (38°C). Incorporate additional preventive steps, heat exhaustion and heat cramps are possible. Long-lasting activity may cause heatstroke.
Take note of the fact that heat index values are based on shaded circumstances with light airflows. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', gives an indication of how one might feel in terms of heat after considering humidity. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.
Through perspiration, the body has a natural mechanism to eliminate excessive heat via sweat evaporation. Excessive relative humidity disturbs the body's typical cooling process by reducing evaporation, leading to a decrease in body cooling rate and an increase in the sensation of warmth. Accumulating heat beyond the body's cooling measures leads to rising temperatures and potential ailments.

Humidity

In Colonial Beach, the average relative humidity in July is 74%.

Rainfall

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

Snowfall

May through October are months without snowfall in Colonial Beach.

Ocean temperature

In Colonial Beach, in July, the average water temperature is 76.8°F (24.9°C).
Note: While a person's sensitivity to cold is personal, factors like sunshine, wind, and the temperature can influence their comfort in 76.8°F (24.9°C) waters. Olympians, for perspective, swim in waters between 77°F (25°C) and 82.4°F (28°C).

Daylight

In July, the average length of the day is 14h and 31min.
On the first day of July in Colonial Beach, Virginia, sunrise is at 5:48 am and sunset at 8:35 pm. On the last day of the month, sunrise is at 6:10 am and sunset at 8:18 pm EDT.

Sunshine

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

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In July, a regular UV index of 6 translates into these guidelines:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Be vigilant! The Sun's UV rays get a boost from sand and water reflections.

Frequently asked questions

What are the warmest months?

July, noted for its average high-temperature of 87.4°F (30.8°C) and an average low-temperature of 69.4°F (20.8°C), is considered the warmest month.

How hot is it in Colonial Beach in July?

Colonial Beach in July has an average high-temperature of 87.4°F (30.8°C) and an average low-temperature of 69.4°F (20.8°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in July is appraised at 100.4°F (38°C).

What is the average humidity in July?

In July, the average relative humidity in Colonial Beach is 74%.

What is the wettest month?

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 Colonial Beach, in July, it is raining for 16 days, with typically 3.19" (81mm) of accumulated precipitation.

When it does not snow?

In Colonial Beach, snow does not fall in May through October.

What is the water temperature in July?

In July, the average ocean temperature is 76.8°F (24.9°C). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 76.8°F (24.9°C) water.

What is the average length of the day 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 5:48 am and sunset at 8:35 pm. On the last day of the month, sunrise is at 6:10 am and sunset at 8:18 pm EDT.

What month has the most sunshine?

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

How many hours of sunshine does Colonial Beach have in July?

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

What are the months with the highest UV index?

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

What is the UV index intensity in July?

The average daily maximum UV index in July is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability 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
Colonial Beach, VA

Average temperature in July - Colonial Beach, 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
Colonial Beach, VA

Average pressure in July - Colonial Beach, 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
Colonial Beach, VA

Average wind speed in July - Colonial Beach, 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
Colonial Beach, VA

Average humidity in July - Colonial Beach, 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
Colonial Beach, VA

Average rainfall in July - Colonial Beach, 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
Colonial Beach, VA

Average rainfall days in July - Colonial Beach, 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
Colonial Beach, VA

Average snowfall in July - Colonial Beach, 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
Colonial Beach, VA

Average snowfall days in July - Colonial Beach, 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 sea temperature in July
Colonial Beach, VA

Average sea temperature in July - Colonial Beach, VA
  • Average sea temperature in July: 76.8°F

The best month for swimming (with the highest average sea temperature) is August (78.4°F).
The coldest month (with the lowest average sea temperature) is February (47.1°F).

Average daylight in July /
Average sunshine in July
Colonial Beach, VA

Average daylight in July / Average sunshine in July - Colonial Beach, 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
Colonial Beach, VA

Average sunshine days in July - Colonial Beach, 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
Colonial Beach, VA

Average UV index in July - Colonial Beach, 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
Colonial Beach, VA

Average cloud cover in July - Colonial Beach, 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
Colonial Beach, VA

Average visibility in July - Colonial Beach, 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).

Colonial Beach, Virginia, USA

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