July weather forecastMarietta, PA
July
Weather in July
July, the same as June, is a moderately hot summer month in Marietta, Pennsylvania, with an average temperature varying between 64.4°F (18°C) and 82.9°F (28.3°C).Temperature
The month of July sees the highest average temperatures, reaching 82.9°F (28.3°C) at the peak and 64.4°F (18°C) at the low.Heat index
July's average heat index is computed to be a hot 91.4°F (33°C). Exercise extra preventive actions, heat cramps and heat exhaustion are plausible. Continuous activity could result in heatstroke.Understand that the heat index values take into account shaded locations and mild winds. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a single figure representing how weather conditions feel when combining temperature and humidity. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. 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 quite important for children. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.
Humidity
In July, the average relative humidity is 78%.Rainfall
In Marietta, in July, it is raining for 14.6 days, with typically 1.85" (47mm) of accumulated precipitation. In Marietta, during the entire year, the rain falls for 130.2 days and collects up to 16.22" (412mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In Marietta, Pennsylvania, the average length of the day in July is 14h and 41min.On the first day of July, sunrise is at 5:41 am and sunset at 8:39 pm. On the last day of the month, sunrise is at 6:04 am and sunset at 8:20 pm EDT.
Sunshine
With an average of 10.4h of sunshine, July has the most sunshine of the year.UV index
The months with the highest UV index are May through July, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: An average maximum UV index of 6 in July leads to these recommendations:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Marietta, PA
- Average high temperature in July: 82.9°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (35.4°F).
- Average low temperature in July: 64.4°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).
Average pressure in July
Marietta, PA
- Average pressure in July: 29.97"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in July
Marietta, PA
- Average wind speed in July: 5.2mph
The windiest months (with the highest average wind speed) are February and March (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in July
Marietta, PA
- Average humidity in July: 78%
The month with the highest relative humidity is May (81%).
The months with the lowest relative humidity are March and April (76%).
Average rainfall in July
Marietta, PA
- Average rainfall in July: 1.85"
The wettest month (with the highest rainfall) is August (1.89").
The driest month (with the least rainfall) is January (0.98").
Average rainfall days in July
Marietta, PA
- Average rainfall days in July: 14.6 days
The month with the highest number of rainy days is May (15.2 days).
The month with the least rainy days is January (5.8 days).
Average snowfall in July
Marietta, PA
- 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
Marietta, PA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (6.5 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in July /
Average sunshine in July
Marietta, PA
- Average daylight in July: 14h and 42min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in July: 10h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in July
Marietta, PA
- Average sunshine days in July: 13.6 days
The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is May (13.2 days).
Average UV index in July
Marietta, PA
- Average UV index in July: 6
The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in July
Marietta, PA
- Average cloud cover in July: 32
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in July
Marietta, PA
- Average visibility in July: 6mi
The months with the highest visibility are January, February, March, April, June, July, October, November and December (6mi).
The months with the lowest visibility are May, August and September (5mi).
