July weather forecastPort Jefferson, OH
July
Weather in July
July, like June, in Port Jefferson, Ohio, is a moderately hot summer month, with an average temperature fluctuating between 80.2°F (26.8°C) and 63.7°F (17.6°C).Temperature
July proves to be the warmest month, recording an average peak temperature of 80.2°F (26.8°C) and a minimum temperature of 63.7°F (17.6°C).Humidity
In Port Jefferson, Ohio, the average relative humidity in July is 82%.Rainfall
In Port Jefferson, in July, it is raining for 12.9 days, with typically 0.91" (23mm) of accumulated precipitation. Throughout the year, there are 111.7 rainfall days, and 8.58" (218mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Port Jefferson, the average length of the day in July is 14h and 43min.On the first day of July, sunrise is at 6:10 am and sunset at 9:10 pm. On the last day of the month, sunrise is at 6:33 am and sunset at 8:51 pm EDT.
Sunshine
July has the most sunshine of the year, with an average of 10.1h of sunshine.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 6 in July converts into the following recommendations:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Port Jefferson, OH
- Average high temperature in July: 80.2°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (32°F).
- Average low temperature in July: 63.7°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure in July
Port Jefferson, OH
- 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 (29.93"Hg).
Average wind speed in July
Port Jefferson, OH
- Average wind speed in July: 6mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in July
Port Jefferson, OH
- Average humidity in July: 82%
The months with the highest relative humidity are January, February and December (83%).
The month with the lowest relative humidity is October (75%).
Average rainfall in July
Port Jefferson, OH
- Average rainfall in July: 0.91"
The wettest months (with the highest rainfall) are May and June (1.06").
The driest month (with the least rainfall) is November (0.47").
Average rainfall days in July
Port Jefferson, OH
- Average rainfall days in July: 12.9 days
The month with the highest number of rainy days is May (13.2 days).
The month with the least rainy days is February (5 days).
Average snowfall in July
Port Jefferson, OH
- Average snowfall in July: 0"
The month with the highest snowfall is February (0.79").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in July
Port Jefferson, OH
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (7.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Port Jefferson, OH
- 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 6min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in July
Port Jefferson, OH
- Average sunshine days in July: 13.6 days
The month with the most sunshine days is November (21.8 days).
The month with the least sunshine days is July (13.6 days).
Average UV index in July
Port Jefferson, OH
- Average UV index in July: 6
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in July
Port Jefferson, OH
- Average cloud cover in July: 33
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in July
Port Jefferson, OH
- Average visibility in July: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are August and September (5mi).





