July weather forecast
Knoxville, PA

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Weather in July

July, the same as June, is a moderately hot summer month in Knoxville, Pennsylvania, with temperature in the range of an average low of 57°F (13.9°C) and an average high of 79.2°F (26.2°C).

Temperature

Knoxville reaches its highest average temperatures in July, measuring 79.2°F (26.2°C) at the peak and 57°F (13.9°C) at the lowest.

Humidity

The average relative humidity in July is 79%.

Rainfall

In July, in Knoxville, the rain falls for 18.9 days. Throughout July, 2.87" (73mm) of precipitation is accumulated. In Knoxville, during the entire year, the rain falls for 168.3 days and collects up to 28.19" (716mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In Knoxville, the average length of the day in July is 14h and 52min.
On the first day of July, sunrise is at 5:38 am and sunset at 8:49 pm. On the last day of the month, sunrise is at 6:03 am and sunset at 8:29 pm EDT.

Sunshine

With an average of 9.8h of sunshine, July has the most sunshine of the year.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum UV index of 5 during July translates into these guidelines:
Act with care - The suggestion to avoid sunburn is emphasized. When the Sun is at its strongest around midday, find shade and limit exposure. Boost your sun resistance with garments that are densely woven yet spacious.
Updated: Jul 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the warmest month?

July is the month when Knoxville experiences its warmest temperatures, averaging a high of 79.2°F (26.2°C) and a low of 57°F (13.9°C).

What is the usual temperature for Knoxville in July?

The high-temperature, in July, in Knoxville, is 79.2°F (26.2°C), while the low-temperature averages to 57°F (13.9°C).

What is the average humidity in July?

The average relative humidity in July is 79%.

How many days does it rain in July?

In July, the rain falls for 18.9 days. Throughout July, 2.87" (73mm) of precipitation is accumulated.

When it does not snow?

June through September are months without snowfall.

How many hours of daylight does Knoxville have in July?

In July, the average day length is 14h and 52min.

When are sunrise and sunset in July?

On the first day of July, sunrise is at 5:38 am and sunset at 8:49 pm. On the last day of the month, sunrise is at 6:03 am and sunset at 8:29 pm EDT.

What month has the most sunshine?

The month with the most sunshine is July, with an average of 9.8h of sunshine.

How long on average sun shines in July?

In July, the average sunshine duration is 9.8h.

What is the month with the highest UV index?

The months with the highest UV index in Knoxville are May through August, with an average maximum UV index of 5.

What is the UV index reading in July?

In July, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium 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
Knoxville, PA

Average temperature in July - Knoxville, PA
  • Average high temperature in July: 79.2°F

The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (28.2°F).

  • Average low temperature in July: 57°F

The month with the highest average low temperature is July (57°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).

Average pressure in July
Knoxville, PA

Average pressure in July - Knoxville, PA
  • Average pressure in July: 29.97"Hg

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in July
Knoxville, PA

Average wind speed in July - Knoxville, PA
  • Average wind speed in July: 6.1mph

The windiest month (with the highest average wind speed) is January (9.6mph).
The calmest month (with the lowest average wind speed) is August (6mph).

Average humidity in July
Knoxville, PA

Average humidity in July - Knoxville, PA
  • Average humidity in July: 79%

The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April, May and June (78%).

Average rainfall in July
Knoxville, PA

Average rainfall in July - Knoxville, PA
  • Average rainfall in July: 2.87"

The wettest month (with the highest rainfall) is April (2.95").
The driest month (with the least rainfall) is November (1.81").

Average rainfall days in July
Knoxville, PA

Average rainfall days in July - Knoxville, PA
  • Average rainfall days in July: 18.9 days

The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is February (7.2 days).

Average snowfall in July
Knoxville, PA

Average snowfall in July - Knoxville, PA
  • Average snowfall in July: 0"

The month with the highest snowfall is February (7.76").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in July
Knoxville, PA

Average snowfall days in July - Knoxville, PA
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (18.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in July /
Average sunshine in July
Knoxville, PA

Average daylight in July / Average sunshine in July - Knoxville, PA
  • Average daylight in July: 14h and 5min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in July: 9h and 5min

The month with the most sunshine is July (Average sunshine: 9h and 48min).
The months with the least sunshine are January, February and December (Average sunshine: 3h and 6min).

Average sunshine days in July
Knoxville, PA

Average sunshine days in July - Knoxville, PA
  • Average sunshine days in July: 9.9 days

The month with the most sunshine days is September (14.9 days).
The month with the least sunshine days is February (7.1 days).

Average UV index in July
Knoxville, PA

Average UV index in July - Knoxville, PA
  • Average UV index in July: 5

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in July
Knoxville, PA

Average cloud cover in July - Knoxville, PA
  • Average cloud cover in July: 40

The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 39).

Average visibility in July
Knoxville, PA

Average visibility in July - Knoxville, PA
  • Average visibility in July: 5mi

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

Knoxville, Pennsylvania, USA

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