July weather forecastColonial Heights, VA
July
Weather in July
July in Colonial Heights witnesses peak summer conditions, with soaring temperatures and largely bright, sunny days. The high reaches an apex of 90.1°F (32.3°C), making this month the warmest in the year. Residents anticipate beach days and picnics, taking advantage of the summertime weather. Despite the high heat, the occurrence of atmospheric humidity and rainfall helps moderate the sweltering temperatures. Overall, July presents an archetype of summer weather perfect for all outdoor activities.Temperature
Colonial Heights experiences its highest average temperatures in July, reaching a peak of 90.1°F (32.3°C) and a minimum of 69.4°F (20.8°C).Heat index
For most parts of July, the heat index is appraised at an extremely hot 107.6°F (42°C). Take extra safety measures to prevent heat exhaustion and heat cramps. Heatstroke could follow lengthy activity.Always consider that heat index estimations are for light winds and places in the shade. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a value derived by merging air temperature with the humidity to convey how the climate feels. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
The evaporation of sweat is a natural cooling mechanism of the human body, facilitated by perspiration. With higher relative humidity, the rate of evaporation is reduced, resulting in increased heat retention in the body compared to drier air. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.
Humidity
With an average relative humidity of 71%, July is the least humid month.Rainfall
In Colonial Heights, during July, the rain falls for 11.5 days and regularly aggregates up to 0.75" (19mm) of precipitation. In Colonial Heights, during the entire year, the rain falls for 109.6 days and collects up to 9.96" (253mm) of precipitation.Snowfall
In Colonial Heights, snow does not fall in May through October.Daylight
The average length of the day in July is 14h and 26min.On the first day of the month, sunrise is at 5:53 am and sunset at 8:34 pm. On the last day of July, sunrise is at 6:14 am and sunset at 8:17 pm EDT.
Sunshine
July has the most sunshine of the year, with an average of 10.7h of sunshine.UV index
July is the month with the highest UV index, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 7 during July leads to these advisories:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Colonial Heights, VA
- Average high temperature in July: 90.1°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (45.3°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 (30°F).
Average pressure in July
Colonial Heights, 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
Colonial Heights, VA
- Average wind speed in July: 5.5mph
The windiest month (with the highest average wind speed) is April (7.8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in July
Colonial Heights, 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
Colonial Heights, VA
- Average rainfall in July: 0.75"
The wettest month (with the highest rainfall) is August (1.22").
The driest month (with the least rainfall) is September (0.59").
Average rainfall days in July
Colonial Heights, VA
- Average rainfall days in July: 11.5 days
The month with the highest number of rainy days is May (12.2 days).
The month with the least rainy days is October (5.6 days).
Average snowfall in July
Colonial Heights, VA
- Average snowfall in July: 0"
The month with the highest snowfall is February (0.35").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in July
Colonial Heights, VA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (1.8 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
Colonial Heights, VA
- Average daylight in July: 14h and 24min
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 42min).
- Average sunshine in July: 10h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The months with the least sunshine are February and December (Average sunshine: 5h and 24min).
Average sunshine days in July
Colonial Heights, VA
- Average sunshine days in July: 16.9 days
The month with the most sunshine days is October (23.6 days).
The month with the least sunshine days is May (15.3 days).
Average UV index in July
Colonial Heights, 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).
Average cloud cover in July
Colonial Heights, VA
- Average cloud cover in July: 31
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in July
Colonial Heights, 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).
