Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
As Knoxville welcomes August, the average high-temperature records at a still warm 76.6°F (24.8°C), marking an insignificant deviation from the prior month. Despite the drastic temperature difference, Knoxville records an average nighttime low of 54.9°F (12.7°C) throughout August.Humidity
In August, the average relative humidity is 80%.Rainfall
In Knoxville, in August, it is raining for 17 days, with typically 2.24" (57mm) of accumulated precipitation. 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 August, the average length of the day is 13h and 49min.On the first day of the month, sunrise is at 6:04 am and sunset at 8:27 pm. On the last day of August, sunrise is at 6:35 am and sunset at 7:44 pm EDT.
Sunshine
In August, the average sunshine is 9.6h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index in Knoxville. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 5 in August interprets into the following recommendations:
Be vigilant - Preventing sunburn is recommended. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Knoxville in August?
What is the average humidity in August?
How much does it rain in August?
When it does not snow?
How many hours of daylight does Knoxville have in August?
What time are sunrise and sunset in August?
How long on average sun shines in August?
What are the months with the highest UV index?
What is the UV index intensity in August?
Average temperature in August
Knoxville, PA
- Average high temperature in August: 76.6°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 August: 54.9°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 August
Knoxville, PA
- Average pressure in August: 30"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 August
Knoxville, PA
- Average wind speed in August: 6mph
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 August
Knoxville, PA
- Average humidity in August: 80%
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 August
Knoxville, PA
- Average rainfall in August: 2.24"
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 August
Knoxville, PA
- Average rainfall days in August: 17 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 August
Knoxville, PA
- Average snowfall in August: 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 August
Knoxville, PA
- Average snowfall days in August: 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 August /
Average sunshine in August
Knoxville, PA
- Average daylight in August: 13h 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 August: 9h and 4min
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 August
Knoxville, PA
- Average sunshine days in August: 11.4 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 August
Knoxville, PA
- Average UV index in August: 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 August
Knoxville, PA
- Average cloud cover in August: 39
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 August
Knoxville, PA
- Average visibility in August: 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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