July weather forecast
Chesapeake, VA

July represents the quintessential Chesapeake summer, registering as the month with the highest average temperature at a scorching 86.4°F (30.2°C). Balmy days, heavy with heat, create the perfect backdrop for all manner of summer outdoor activities. This intense heat is somewhat moderated by the relatively high sea temperature that reaches 78.2°F (25.7°C) in July - the highest of the entire year. With the inflow of warmth, and the frequent occurrence of summer storms, the city is bathed in a unique blend of scalding sun and resounding showers. Even though the relentless beating down of the sun can be overwhelming at times, the plethora of summer festivals and activities on offer make July a joyous time for locals and visitors alike.

Temperature

Chesapeake, Virginia, records the warmest temperatures in July, averaging a high of 86.4°F (30.2°C) and a low of 73.6°F (23.1°C).

Heat index

July's heat index is computed to be a sweltering 98.6°F (37°C). Undertake additional safety actions, risk of heat cramps and heat exhaustion is significant. Persistent activity may induce heatstroke.
Heat index details are generally centered around shaded locations and a mild breeze. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', unifies temperature and humidity readings to offer a comprehensive feel of warmth. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.
The physiological response of the human body to excess warmth is to perspire, thereby cooling itself through sweat evaporation. In the presence of high relative humidity, the evaporation rate diminishes, resulting in the body retaining more warmth compared to dry conditions. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.

Humidity

July and November, with an average relative humidity of 74%, are the least humid months.

Rainfall

In Chesapeake, in July, it is raining for 17.4 days, with typically 2.2" (56mm) of accumulated precipitation. In Chesapeake, during the entire year, the rain falls for 151.9 days and collects up to 20.35" (517mm) of precipitation.

Snowfall

In Chesapeake, Virginia, snow does not fall in April through October.

Ocean temperature

In Chesapeake, in July, the average water temperature is 78.3°F (25.7°C).
Note: Water temperatures between 77°F (25°C) and 84.2°F (29°C) are ideal for all water activities, offering enjoyment without causing discomfort over extended periods.

Daylight

In Chesapeake, the average length of the day in July is 14h and 23min.
On the first day of the month, sunrise is at 5:50 am and sunset at 8:28 pm. On the last day of July, in Chesapeake, Virginia, sunrise is at 6:10 am and sunset at 8:12 pm EDT.

Sunshine

The month with the most sunshine is July, with an average of 10.9h of sunshine.

UV index

July and August, with an average maximum UV index of 7, are months with the highest UV index in Chesapeake. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: In July, a regular UV index of 7 translates into these guidelines:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Attention! UV strength is notably upped by the reflection of sand and water.