July weather forecastLancaster, VA
July
Weather in July
July in Lancaster, Virginia, is a hot summer month, with an average temperature fluctuating between 69.4°F (20.8°C) and 88.3°F (31.3°C).Temperature
Lancaster registers the highest average temperatures during the month of July, with peaks of 88.3°F (31.3°C) and lows of 69.4°F (20.8°C).Heat index
Throughout July, the heat index is estimated at a fiery hot 102.2°F (39°C). Take extra safety measures to prevent heat exhaustion and heat cramps. Heatstroke could follow lengthy activity.It is worth noting that heat index values are gauged for conditions in the shade and light breezes. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. With high air temperature and humidity (high heat index) conditions, sweat production is restricted, leading to an amplified perception of heat. When the heat gained surpasses the body's cooling capacity, temperatures rise, signaling potential health concerns.
Humidity
July is the least humid month, with an average relative humidity of 73%.Rainfall
In Lancaster, in July, it is raining for 16.9 days, with typically 3.11" (79mm) of accumulated precipitation. In Lancaster, during the entire year, the rain falls for 159.5 days and collects up to 31.42" (798mm) of precipitation.Snowfall
In Lancaster, snow does not fall in May through October.Daylight
In July, the average length of the day in Lancaster is 14h and 29min.On the first day of the month, sunrise is at 5:48 am and sunset at 8:31 pm. On the last day of July, sunrise is at 6:09 am and sunset at 8:15 pm EDT.
Sunshine
July has the most sunshine of the year, with an average of 10.6h of sunshine.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index in Lancaster. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the average person.Note: An average UV index of 6 in July transforms into this advice:
Guard oneself from overexposure. Defence against sun injury is vital. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Lancaster, VA
- Average high temperature in July: 88.3°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (43.5°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 (29.5°F).
Average pressure in July
Lancaster, 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
Lancaster, VA
- Average wind speed in July: 5.7mph
The windiest month (with the highest average wind speed) is April (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in July
Lancaster, VA
- Average humidity in July: 73%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (73%).
Average rainfall in July
Lancaster, VA
- Average rainfall in July: 3.11"
The wettest month (with the highest rainfall) is August (3.19").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in July
Lancaster, VA
- Average rainfall days in July: 16.9 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (9.9 days).
Average snowfall in July
Lancaster, VA
- Average snowfall in July: 0"
The month with the highest snowfall is January (1.89").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in July
Lancaster, VA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (3.7 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
Lancaster, VA
- Average daylight in July: 14h and 30min
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 36min).
- Average sunshine in July: 10h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).
Average sunshine days in July
Lancaster, VA
- Average sunshine days in July: 12.3 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (11.6 days).
Average UV index in July
Lancaster, 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
Lancaster, 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
Lancaster, VA
- Average visibility in July: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
