July weather forecast
Portsmouth, OH

Share

Weather in July

July is a tropical summer month in Portsmouth, Ohio, with an average temperature ranging between max 86°F (30°C) and min 64°F (17.8°C).

Temperature

July, having an average high-temperature of 86°F (30°C) and an average low-temperature of 64°F (17.8°C), is the warmest month.

Heat index

The heat index value for July is appraised at a torrid 98.6°F (37°C). Undertake enhanced precautions, heat exhaustion and heat cramps are possible risks. Continuous activity could trigger heatstroke.
It is crucial to understand that heat index figures are for shade and gentle wind conditions. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', melds the effects of warmth and moisture to generate a feeling of heat. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.
Evaporating sweat, thanks to perspiration, acts as a natural air conditioner for the human body. When relative humidity is on the rise, it curtails evaporation, thereby reducing the heat elimination from the body and causing the feeling of being excessively hot. Inadequate heat shedding in the face of rising body temperatures hints at potential dehydration risks.

Humidity

In July, the average relative humidity in Portsmouth is 76%.

Rainfall

In Portsmouth, during July, the rain falls for 16.8 days and regularly aggregates up to 2.72" (69mm) of precipitation. In Portsmouth, during the entire year, the rain falls for 170.4 days and collects up to 31.02" (788mm) of precipitation.

Snowfall

In Portsmouth, snow does not fall in May through September.

Daylight

In Portsmouth, the average length of the day in July is 14h and 34min.
On the first day of July in Portsmouth, sunrise is at 6:11 am and sunset at 9:00 pm. On the last day of the month, sunrise is at 6:33 am and sunset at 8:43 pm EDT.

Sunshine

The average sunshine in July in Portsmouth is 10h.

UV index

The months with the highest UV index in Portsmouth are May through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for average individuals.
Note: In July, the UV index of 6 transforms into the following advice:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
[Resources]

Frequently asked questions

What month is the hottest in Portsmouth?

In Portsmouth, July is known for its average highest temperatures, reaching a high of 86°F (30°C) and a low of 64°F (17.8°C).

How hot does it get in Portsmouth in July?

In July, in Portsmouth, the average high-temperature is 86°F (30°C), and the average low-temperature is 64°F (17.8°C). In July, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines air temperature and relative humidity, is appraised at 98.6°F (37°C).

What is the average humidity in July in Portsmouth?

The average relative humidity in July in Portsmouth is 76%.

How many days does it rain in July in Portsmouth?

In Portsmouth, during July, the rain falls for 16.8 days and regularly aggregates up to 2.72" (69mm) of precipitation.

When it does not snow in Portsmouth?

In Portsmouth, snow does not fall in May through September.

What is the average length of the day in July in Portsmouth?

In Portsmouth, the average day length in July is 14h and 34min.

What time are sunrise and sunset in July in Portsmouth?

On the first day of July in Portsmouth, sunrise is at 6:11 am and sunset at 9:00 pm. On the last day of the month, sunrise is at 6:33 am and sunset at 8:43 pm EDT.

How long on average sun shines in July in Portsmouth?

In Portsmouth, the average sunshine duration in July is 10h.

What are the months with the highest UV index in Portsmouth?

May 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 in Portsmouth?

In July, the average daily maximum UV index in Portsmouth is 6. A UV Index reading of 6 to 7 represents a high health threat from exposure to the Sun's UV radiation.
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
Portsmouth, OH

Average temperature in July - Portsmouth, OH
  • Average high temperature in July: 86°F

The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (37.8°F).

  • Average low temperature in July: 64°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

[Resources]

Average pressure in July
Portsmouth, OH

Average pressure in July - Portsmouth, OH
  • Average pressure in July: 29.99"Hg

The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

[Resources]

Average wind speed in July
Portsmouth, OH

Average wind speed in July - Portsmouth, OH
  • Average wind speed in July: 4.6mph

The windiest months (with the highest average wind speed) are January and February (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

[Resources]

Average humidity in July
Portsmouth, OH

Average humidity in July - Portsmouth, OH
  • Average humidity in July: 76%

The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is August (75%).

[Resources]

Average rainfall in July
Portsmouth, OH

Average rainfall in July - Portsmouth, OH
  • Average rainfall in July: 2.72"

The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is September (1.85").

[Resources]

Average rainfall days in July
Portsmouth, OH

Average rainfall days in July - Portsmouth, OH
  • Average rainfall days in July: 16.8 days

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is November (10.5 days).

[Resources]

Average snowfall in July
Portsmouth, OH

Average snowfall in July - Portsmouth, OH
  • Average snowfall in July: 0"

The month with the highest snowfall is January (3.19").
The months with the least snowfall are May, June, July, August and September (0").

[Resources]

Average snowfall days in July
Portsmouth, OH

Average snowfall days in July - Portsmouth, OH
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (10.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

[Resources]

Average daylight in July /
Average sunshine in July
Portsmouth, OH

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

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in July: 10h and 0min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

[Resources]

Average sunshine days in July
Portsmouth, OH

Average sunshine days in July - Portsmouth, OH
  • Average sunshine days in July: 11.8 days

The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is February (10 days).

[Resources]

Average UV index in July
Portsmouth, OH

Average UV index in July - Portsmouth, OH
  • 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).

[Resources]

Average cloud cover in July
Portsmouth, OH

Average cloud cover in July - Portsmouth, OH
  • Average cloud cover in July: 34

The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 30).

[Resources]

Average visibility in July
Portsmouth, OH

Average visibility in July - Portsmouth, OH
  • Average visibility in July: 5mi

The months with the highest visibility are March, April, June, October and November (6mi).
The months with the lowest visibility are January, February, May, July, August, September and December (5mi).

[Resources]

Portsmouth, Ohio, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location