July weather forecastJaco, WV
July
Weather in July
July, like June, in Jaco, West Virginia, is another warm summer month, with an average temperature fluctuating between 60.6°F (15.9°C) and 82.6°F (28.1°C).Temperature
In Jaco, West Virginia, the peak average temperatures are observed in July, with a high of 82.6°F (28.1°C) and a low of 60.6°F (15.9°C).Heat index
The heat index value during July is estimated at a tropical 89.6°F (32°C). When exposure and activity are sustained, they could induce fatigue, with a chance of heat cramps.Take into consideration that the heat index values are calculated for shade and light wind conditions. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', provides an understanding of perceived warmth by combining temperature and relative humidity. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
Humidity
The months with the lowest humidity are July and August, with an average relative humidity of 77%.Rainfall
In Jaco, in July, during 19 rainfall days, 3.27" (83mm) of precipitation is typically accumulated. Throughout the year, there are 187.8 rainfall days, and 36.46" (926mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in July is 14h and 39min.On the first day of the month, sunrise is at 5:56 am and sunset at 8:51 pm. On the last day of July, sunrise is at 6:18 am and sunset at 8:33 pm EDT.
Sunshine
The average sunshine in July is 9.8h.UV index
The months with the highest UV index are May through July, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index, 6 during July, leads to the following recommendations:
Fend off overexposure. Sun protection is vital. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Jaco, WV
- Average high temperature in July: 82.6°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (34.5°F).
- Average low temperature in July: 60.6°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in July
Jaco, WV
- 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 (29.95"Hg).
Average wind speed in July
Jaco, WV
- Average wind speed in July: 4.6mph
The windiest month (with the highest average wind speed) is January (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in July
Jaco, WV
- Average humidity in July: 77%
The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are July and August (77%).
Average rainfall in July
Jaco, WV
- Average rainfall in July: 3.27"
The wettest month (with the highest rainfall) is May (4.02").
The driest month (with the least rainfall) is September (2.17").
Average rainfall days in July
Jaco, WV
- Average rainfall days in July: 19 days
The month with the highest number of rainy days is May (20.5 days).
The month with the least rainy days is January (11.1 days).
Average snowfall in July
Jaco, WV
- Average snowfall in July: 0"
The month with the highest snowfall is February (7.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in July
Jaco, WV
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (17 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Jaco, WV
- Average daylight in July: 14h and 36min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in July: 9h and 48min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in July
Jaco, WV
- Average sunshine days in July: 9.8 days
The month with the most sunshine days is November (13.5 days).
The month with the least sunshine days is January (6.7 days).
Average UV index in July
Jaco, WV
- Average UV index in July: 6
The months with the highest UV index are May, June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in July
Jaco, WV
- Average cloud cover in July: 38
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in July
Jaco, WV
- Average visibility in July: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).





