July weather forecast
Port Jefferson, OH

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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.
Updated: Jun 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the warmest month?

July, on average, is the warmest month, registering a high temperature of 80.2°F (26.8°C) and a low of 63.7°F (17.6°C).

What is the temperature in July?

The average high-temperature, in July, in Port Jefferson, is 80.2°F (26.8°C), while the average low-temperature is 63.7°F (17.6°C).

What is the average humidity in July?

In July, the average relative humidity is 82%.

How many days does it rain in July in Port Jefferson?

In Port Jefferson, in July, during 12.9 rainfall days, 0.91" (23mm) of precipitation is typically accumulated.

When it does not snow?

In Port Jefferson, snow does not fall in June through September.

How many hours of daylight does Port Jefferson have in July?

In July, the average day length is 14h and 43min.

What time are sunrise and sunset in July?

In July, on the first day of the month, 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.

What month has the most sunshine?

With an average of 10.1h of sunshine, July has the most sunshine of the year.

How many hours of sunshine does Port Jefferson have in July?

In July, the average sunshine duration is 10.1h.

What is the month with the highest UV index?

June through August, with an average maximum UV index of 6, are months with the highest UV index.

What is the UV index intensity in July?

The average daily maximum UV index in July is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Port Jefferson, OH

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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 / Average sunshine in July - Port Jefferson, OH
  • Average daylight in July: 14h and 4min

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 1min

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 - 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 - 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 - 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 - 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).

Port Jefferson, Ohio, USA

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