July weather forecast
Radnor, OH

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Weather in July

July, like June, in Radnor, Ohio, is another warm summer month, with temperature in the range of an average low of 63.9°F (17.7°C) and an average high of 81.1°F (27.3°C).

Temperature

Radnor's warmest month, July, generally records average temperatures ranging from a high of 81.1°F (27.3°C) to a low of 63.9°F (17.7°C).

Heat index

The average heat index in July is calculated to be a hot 86°F (30°C). Exhaustion becomes probable with enduring exposure and activity, potentially causing heat cramps.
When assessing, remember that heat index measurements are for light winds and shaded spots. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', blends air temperature and moisture content to represent the felt temperature to humans. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.

Humidity

In Radnor, the average relative humidity in July is 80%.

Rainfall

In Radnor, in July, it is raining for 18.2 days, with typically 2.8" (71mm) of accumulated precipitation. Throughout the year, in Radnor, Ohio, there are 172.1 rainfall days, and 32.01" (813mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall in Radnor.

Daylight

In Radnor, the average length of the day in July is 14h and 43min.
On the first day of July, sunrise is at 6:06 am and sunset at 9:06 pm. On the last day of the month, sunrise is at 6:29 am and sunset at 8:48 pm EDT.

Sunshine

In Radnor, the average sunshine in July is 10.3h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the average person.
Note: In July, a regular UV index of 6 translates into these guidelines:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
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Frequently asked questions

What time of the year is the hottest in Radnor?

July is the warmest month of the year in Radnor, Ohio, registering average temperatures as high as 81.1°F (27.3°C) and as low as 63.9°F (17.7°C).

What are July temperatures in Radnor?

The high-temperature during July is 81.1°F (27.3°C) and the low-temperature is 63.9°F (17.7°C). In July, the average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, is calculated to be 86°F (30°C).

What is the average humidity in July in Radnor?

In Radnor, the average relative humidity in July is 80%.

How much does it rain in Radnor in July?

In Radnor, Ohio, in July, during 18.2 rainfall days, 2.8" (71mm) of precipitation is typically accumulated.

When it does not snow in Radnor?

May through September are months without snowfall in Radnor, Ohio.

How many hours of daylight does Radnor have in July?

The average day length in July in Radnor, Ohio, is 14h and 43min.

When are sunrise and sunset in July in Radnor?

In July, on the first day of the month, sunrise is at 6:06 am and sunset at 9:06 pm. On the last day of the month, in Radnor, sunrise is at 6:29 am and sunset at 8:48 pm EDT.

How many hours of sunshine does Radnor have in July?

In Radnor, the average sunshine duration in July is 10.3h.

What is the month with the highest UV index in Radnor?

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

How high is the UV index in July in Radnor?

The average daily maximum UV index in July in Radnor is 6. A UV Index reading of 6 to 7 represents a high hazard to health from 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
Radnor, OH

Average temperature in July - Radnor, OH
  • Average high temperature in July: 81.1°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (32°F).

  • Average low temperature in July: 63.9°F

The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).

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Average pressure in July
Radnor, OH

Average pressure in July - Radnor, OH
  • Average pressure in July: 29.97"Hg

The months with the highest atmospheric pressure are January and November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in July
Radnor, OH

Average wind speed in July - Radnor, OH
  • Average wind speed in July: 5.7mph

The windiest month (with the highest average wind speed) is January (10mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).

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Average humidity in July
Radnor, OH

Average humidity in July - Radnor, OH
  • Average humidity in July: 80%

The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are October and November (75%).

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Average rainfall in July
Radnor, OH

Average rainfall in July - Radnor, OH
  • Average rainfall in July: 2.8"

The wettest month (with the highest rainfall) is May (3.82").
The driest month (with the least rainfall) is September (1.93").

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Average rainfall days in July
Radnor, OH

Average rainfall days in July - Radnor, OH
  • Average rainfall days in July: 18.2 days

The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is February (10 days).

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Average snowfall in July
Radnor, OH

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

The month with the highest snowfall is January (3.46").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in July
Radnor, OH

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

The month with the highest number of snowfall days is January (13.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in July / Average sunshine in July - Radnor, 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 18min).

  • Average sunshine in July: 10h and 2min

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 30min).

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Average sunshine days in July
Radnor, OH

Average sunshine days in July - Radnor, OH
  • Average sunshine days in July: 9.8 days

The month with the most sunshine days is November (16.1 days).
The month with the least sunshine days is February (9.1 days).

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Average UV index in July
Radnor, OH

Average UV index in July - Radnor, 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, November and December (UV index 2).

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Average cloud cover in July
Radnor, OH

Average cloud cover in July - Radnor, OH
  • Average cloud cover in July: 31

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 30).

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Average visibility in July
Radnor, OH

Average visibility in July - Radnor, OH
  • Average visibility in July: 6mi

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

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Radnor, Ohio, USA

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