July weather forecastNew Haven, WV
July
Weather in July
July is a hot summer month in New Haven, West Virginia, with an average temperature varying between 86.5°F (30.3°C) and 64.2°F (17.9°C).Temperature
The warmest period tends to be July, when average temperatures fluctuate between a high of 86.5°F (30.3°C) and a low of 64.2°F (17.9°C).Heat index
The heat index for July is estimated at a sweltering 98.6°F (37°C). Undertake additional precautions, heat cramps and heat exhaustion could happen. Heatstroke could occur from sustained activity.Heat index guidelines indicate values are for light wind scenarios and shaded regions. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', binds temperature metrics with humidity values to give a sense of the actual warmth. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.
Evaporating sweat, thanks to perspiration, acts as a natural air conditioner for the human body. In circumstances of high air temperature and humidity (high heat index), the body's perspiration is restricted, heightening the feeling of warmth. When the heat gained surpasses the body's cooling capacity, temperatures rise, signaling potential health concerns.
Humidity
In New Haven, the average relative humidity in July is 75%.Rainfall
In New Haven, in July, it is raining for 17.2 days, with typically 3.07" (78mm) of accumulated precipitation. In New Haven, during the entire year, the rain falls for 170.5 days and collects up to 33.39" (848mm) of precipitation.Snowfall
In New Haven, snow does not fall in May through September.Daylight
The average length of the day in July is 14h and 35min.On the first day of July, sunrise is at 6:06 am and sunset at 8:57 pm. On the last day of the month, sunrise is at 6:28 am and sunset at 8:40 pm EDT.
Sunshine
The average sunshine in July is 9.7h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 6 during July translates into the following guidance:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun 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
New Haven, WV
- Average high temperature in July: 86.5°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in July: 64.2°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).
Average pressure in July
New Haven, WV
- 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 (29.96"Hg).
Average wind speed in July
New Haven, WV
- Average wind speed in July: 4.5mph
The windiest month (with the highest average wind speed) is February (7mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in July
New Haven, WV
- Average humidity in July: 75%
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is August (74%).
Average rainfall in July
New Haven, WV
- Average rainfall in July: 3.07"
The wettest month (with the highest rainfall) is May (4.02").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in July
New Haven, WV
- Average rainfall days in July: 17.2 days
The month with the highest number of rainy days is May (19.4 days).
The month with the least rainy days is November (10.7 days).
Average snowfall in July
New Haven, WV
- Average snowfall in July: 0"
The month with the highest snowfall is February (3.66").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in July
New Haven, WV
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
New Haven, 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 30min).
- Average sunshine in July: 9h and 42min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in July
New Haven, WV
- Average sunshine days in July: 11.8 days
The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is May (9.4 days).
Average UV index in July
New Haven, 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, November and December (UV index 2).
Average cloud cover in July
New Haven, WV
- Average cloud cover in July: 39
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in July
New Haven, 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).





