August weather forecast
Knox, IN

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Weather in August

August, the last month of the summer in Knox, is also a moderately hot month, with temperature in the range of an average high of 78.8°F (26°C) and an average low of 61.7°F (16.5°C).

Temperature

August's commencement is accompanied by an average high-temperature of a still moderately hot 78.8°F (26°C), diverging marginally from July's 80.2°F (26.8°C). August nights cool down to an average low-temperature of 61.7°F (16.5°C).

Humidity

In Knox, the average relative humidity in August is 83%.

Rainfall

In Knox, during August, the rain falls for 17.7 days and regularly aggregates up to 3.07" (78mm) of precipitation. Throughout the year, there are 175.4 rainfall days, and 34.29" (871mm) of precipitation is accumulated.

Snowfall

In Knox, Indiana, snow does not fall in June through September.

Daylight

In August, the average length of the day in Knox is 13h and 47min.
On the first day of the month, sunrise is at 5:42 am and sunset at 8:03 pm. On the last day of August, in Knox, sunrise is at 6:12 am and sunset at 7:20 pm CDT.

Sunshine

The average sunshine in August is 9.8h.

UV index

In Knox, the average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: A daily high UV index of 5 in August leads to these guidelines:
Exercise prevention - Precautions against solar damage are endorsed. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
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Frequently asked questions

What are August temperatures in Knox?

An average high-temperature, in August, in Knox, is 78.8°F (26°C) and the average low-temperature is 61.7°F (16.5°C).

What is the average humidity in August in Knox?

The average relative humidity in August in Knox, Indiana, is 83%.

How many days does it rain in August in Knox?

In Knox, in August, it is raining for 17.7 days, with typically 3.07" (78mm) of accumulated precipitation.

When it does not snow in Knox?

In Knox, Indiana, snow does not fall in June through September.

What is the average length of the day in August in Knox?

In Knox, the average day length in August is 13h and 47min.

When are sunrise and sunset in August in Knox?

On the first day of August in Knox, Indiana, sunrise is at 5:42 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 6:12 am and sunset at 7:20 pm CDT.

How many hours of sunshine does Knox have in August?

In August, the average sunshine duration in Knox, Indiana, is 9.8h.

What is the UV index intensity in August in Knox?

The average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat 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 August
Knox, IN

Average temperature in August - Knox, IN
  • Average high temperature in August: 78.8°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 (29.8°F).

  • Average low temperature in August: 61.7°F

The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

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Average pressure in August
Knox, IN

Average pressure in August - Knox, IN
  • Average pressure in August: 29.98"Hg

The months with the highest atmospheric pressure are January and November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in August
Knox, IN

Average wind speed in August - Knox, IN
  • Average wind speed in August: 6.2mph

The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).

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Average humidity in August
Knox, IN

Average humidity in August - Knox, IN
  • Average humidity in August: 83%

The months with the highest relative humidity are January, February and July (84%).
The month with the lowest relative humidity is October (74%).

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Average rainfall in August
Knox, IN

Average rainfall in August - Knox, IN
  • Average rainfall in August: 3.07"

The wettest month (with the highest rainfall) is May (4.45").
The driest month (with the least rainfall) is January (1.85").

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Average rainfall days in August
Knox, IN

Average rainfall days in August - Knox, IN
  • Average rainfall days in August: 17.7 days

The month with the highest number of rainy days is May (20.7 days).
The month with the least rainy days is January (7.9 days).

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Average snowfall in August
Knox, IN

Average snowfall in August - Knox, IN
  • Average snowfall in August: 0"

The month with the highest snowfall is February (5.04").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Knox, IN

Average snowfall days in August - Knox, IN
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in August /
Average sunshine in August
Knox, IN

Average daylight in August / Average sunshine in August - Knox, IN
  • Average daylight in August: 13h and 5min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in August: 9h and 5min

The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).

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Average sunshine days in August
Knox, IN

Average sunshine days in August - Knox, IN
  • Average sunshine days in August: 9 days

The month with the most sunshine days is November (14.6 days).
The month with the least sunshine days is June (7.8 days).

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Average UV index in August
Knox, IN

Average UV index in August - Knox, IN
  • Average UV index in August: 5

The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in August
Knox, IN

Average cloud cover in August - Knox, IN
  • Average cloud cover in August: 33

The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 33).

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Average visibility in August
Knox, IN

Average visibility in August - Knox, IN
  • Average visibility in August: 5mi

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

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Knox, Indiana, USA

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