July weather forecastMellville, WV
July
Weather in July
July, the same as June, is a moderately hot summer month in Mellville, West Virginia, with an average temperature varying between 85.8°F (29.9°C) and 62.4°F (16.9°C).Temperature
In Mellville, the peak average temperatures are observed in July, with a high of 85.8°F (29.9°C) and a low of 62.4°F (16.9°C).Heat index
For most parts of July, the heat index is computed to be a fiery hot 96.8°F (36°C). Emphasize additional safety, risk of heat cramps and heat exhaustion is high. Continuous activity might result in heatstroke.Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', integrates the air's temperature and its humidity to showcase the felt temperature by people. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.
The natural cooling mechanism in humans involves perspiration, where the evaporation of sweat balances out excessive warmth. In high relative humidity, the body's ability to evaporate heat is diminished, resulting in a heightened feeling of warmth. When body temperature rises due to an imbalance in heat gain, there's a potential for dehydration and overheating.
Humidity
The months with the lowest humidity are April, June through August and November, with an average relative humidity of 76%.Rainfall
In Mellville, in July, during 17.8 rainfall days, 2.76" (70mm) of precipitation is typically accumulated. In Mellville, during the entire year, the rain falls for 181.3 days and collects up to 34.37" (873mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Mellville, the average length of the day in July is 14h and 29min.On the first day of July, sunrise is at 6:09 am and sunset at 8:53 pm. On the last day of the month, sunrise is at 6:30 am and sunset at 8:37 pm EDT.
Sunshine
The average sunshine in July is 9.9h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the average person.Note: The UV index of 6 during July leads to these advisories:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Mellville, WV
- Average high temperature in July: 85.8°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (39.7°F).
- Average low temperature in July: 62.4°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in July
Mellville, WV
- Average pressure in July: 30.01"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in July
Mellville, WV
- Average wind speed in July: 4.4mph
The windiest months (with the highest average wind speed) are January, February and April (6.5mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in July
Mellville, WV
- Average humidity in July: 76%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are April, June, July, August and November (76%).
Average rainfall in July
Mellville, WV
- Average rainfall in July: 2.76"
The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in July
Mellville, WV
- Average rainfall days in July: 17.8 days
The month with the highest number of rainy days is May (20.2 days).
The month with the least rainy days is November (10.8 days).
Average snowfall in July
Mellville, WV
- Average snowfall in July: 0"
The month with the highest snowfall is January (4.53").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in July
Mellville, WV
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (11.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Mellville, WV
- 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: 9h and 54min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in July
Mellville, WV
- Average sunshine days in July: 11.8 days
The months with the most sunshine days are October and November (17 days).
The month with the least sunshine days is February (8.8 days).
Average UV index in July
Mellville, WV
- 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
Mellville, WV
- Average cloud cover in July: 36
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in July
Mellville, WV
- Average visibility in July: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
