Contents
- Weather in July
- Frequently asked questions
- Average temperature in July
- Average pressure in July
- Average wind speed in July
- Average humidity in July
- Average rainfall in July
- Average rainfall days in July
- Average snowfall in July
- Average snowfall days in July
- Average daylight in July
- Average sunshine in July
- Average sunshine days in July
- Average UV index in July
- Average cloud cover in July
- Average visibility in July
Weather in July
Temperature
Crystal Hill's July weather reaches an average high of 90.3°F (32.4°C) and an average low of 68.5°F (20.3°C), making it the warmest month.Heat index
July's mean heat index is computed to be a scorching 105.8°F (41°C). Extra precautions are necessary, heat cramps and heat exhaustion are plausible outcomes. Extended activity could lead to heatstroke.Heat index evaluations are typically in the context of light winds and shaded environments. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', represents the fusion of temperature and moisture in the air to suggest how warm it feels. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Younglings are generally more in peril than adults due to their reduced perspiration. Coupled with a larger skin surface relative to their tiny bodies and greater heat production because of their activity, they become more at risk.
Perspiration, followed by sweat evaporation, is the human body's chief method to maintain a balanced temperature. In circumstances of high air temperature and humidity (high heat index), the body's perspiration is restricted, heightening the feeling of warmth. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.
Humidity
With an average relative humidity of 69%, July is the least humid month.Rainfall
In Crystal Hill, Virginia, during July, the rain falls for 17.3 days and regularly aggregates up to 2.2" (56mm) of precipitation. Throughout the year, in Crystal Hill, Virginia, there are 157.9 rainfall days, and 29.57" (751mm) of precipitation is accumulated.Snowfall
In Crystal Hill, snow does not fall in May through October.Daylight
In Crystal Hill, the average length of the day in July is 14h and 24min.On the first day of the month, sunrise is at 6:00 am and sunset at 8:38 pm. On the last day of July, sunrise is at 6:21 am and sunset at 8:23 pm EDT.
Sunshine
In Crystal Hill, Virginia, the average sunshine in July is 10.6h.UV index
July is the month with the highest UV index, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A daily maximum UV index of 7 in July translates into the following instructions:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the hottest in Crystal Hill?
How hot does it get in Crystal Hill in July?
What is the least humid month in Crystal Hill?
What is the average humidity in July in Crystal Hill?
How much does it rain in Crystal Hill in July?
When it does not snow in Crystal Hill?
What is the average length of the day in July in Crystal Hill?
When are sunrise and sunset in July in Crystal Hill?
How many hours of sunshine does Crystal Hill have in July?
When is the highest UV index in Crystal Hill?
What is the UV index reading in July in Crystal Hill?
Average temperature in July
Crystal Hill, VA
- Average high temperature in July: 90.3°F
The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (45.5°F).
- Average low temperature in July: 68.5°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (30.4°F).
Average pressure in July
Crystal Hill, VA
- Average pressure in July: 29.99"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in July
Crystal Hill, VA
- Average wind speed in July: 4.9mph
The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in July
Crystal Hill, VA
- Average humidity in July: 69%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (69%).
Average rainfall in July
Crystal Hill, VA
- Average rainfall in July: 2.2"
The wettest month (with the highest rainfall) is May (2.95").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in July
Crystal Hill, VA
- Average rainfall days in July: 17.3 days
The months with the highest number of rainy days are May and July (17.3 days).
The month with the least rainy days is November (9.2 days).
Average snowfall in July
Crystal Hill, VA
- Average snowfall in July: 0"
The month with the highest snowfall is January (2.48").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in July
Crystal Hill, VA
- Average snowfall days in July: 0 days
The months with the highest number of snowfall days are January and February (3.1 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
Crystal Hill, VA
- Average daylight in July: 14h and 2min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in July: 10h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in July
Crystal Hill, VA
- Average sunshine days in July: 12 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is May (11.8 days).
Average UV index in July
Crystal Hill, 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, February and December (UV index 2).
Average cloud cover in July
Crystal Hill, VA
- Average cloud cover in July: 31
The month with the most cloud cover is March (Cloud cover 43).
The months with the least cloud cover are June and July (Cloud cover 31).
Average visibility in July
Crystal Hill, VA
- Average visibility in July: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
Crystal Hill, Virginia, USA
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