August weather forecast
Knierim, IA

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Weather in August

The last month of the summer, August, is another warm month in Knierim, Iowa, with an average temperature varying between 79.2°F (26.2°C) and 61.2°F (16.2°C).

Temperature

The beginning of August reveals an average high-temperature of a still warm 79.2°F (26.2°C), showing minimal deviation from the previous month. Knierim, in the month of August, anticipates a consistent average low-temperature of 61.2°F (16.2°C).

Humidity

In Knierim, the average relative humidity in August is 81%.

Rainfall

In August, in Knierim, the rain falls for 10.1 days. Throughout August, 0.79" (20mm) of precipitation is accumulated. In Knierim, during the entire year, the rain falls for 84.6 days and collects up to 7.91" (201mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

In August, the average length of the day in Knierim, Iowa, is 13h and 51min.
On the first day of the month, sunrise is at 6:11 am and sunset at 8:37 pm. On the last day of August, sunrise is at 6:42 am and sunset at 7:53 pm CDT.

Sunshine

In August, the average sunshine in Knierim is 9.5h.

UV index

In August, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: In August, a daily UV index of 5 turns into the following recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
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Frequently asked questions

What are August temperatures in Knierim?

In Knierim, 79.2°F (26.2°C) is the average high-temperature and 61.2°F (16.2°C) is the average low-temperature during August. The average heat index (a.k.a. 'real feel', 'feels like'), which combines relative humidity and air temperature, in July is appraised at 86°F (30°C).

What is the average humidity in August in Knierim?

In August, the average relative humidity in Knierim is 81%.

How many days does it rain in August in Knierim?

In Knierim, during August, the rain falls for 10.1 days and regularly aggregates up to 0.79" (20mm) of precipitation.

When it does not snow in Knierim?

In Knierim, Iowa, snow does not fall in May through September.

How many hours of daylight does Knierim have in August?

The average day length in August in Knierim is 13h and 51min.

When are sunrise and sunset in August in Knierim?

On the first day of August in Knierim, Iowa, sunrise is at 6:11 am and sunset at 8:37 pm. On the last day of the month, sunrise is at 6:42 am and sunset at 7:53 pm CDT.

How long on average sun shines in August in Knierim?

The average sunshine duration in August in Knierim is 9.5h.

What is the UV index intensity in August in Knierim?

In August, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health 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 August
Knierim, IA

Average temperature in August - Knierim, IA
  • Average high temperature in August: 79.2°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (25°F).

  • Average low temperature in August: 61.2°F

The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (12.4°F).

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Average pressure in August
Knierim, IA

Average pressure in August - Knierim, IA
  • Average pressure in August: 29.96"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

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Average wind speed in August
Knierim, IA

Average wind speed in August - Knierim, IA
  • Average wind speed in August: 7.4mph

The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).

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Average humidity in August
Knierim, IA

Average humidity in August - Knierim, IA
  • Average humidity in August: 81%

The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are April and October (68%).

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Average rainfall in August
Knierim, IA

Average rainfall in August - Knierim, IA
  • Average rainfall in August: 0.79"

The wettest month (with the highest rainfall) is May (1.34").
The driest month (with the least rainfall) is January (0.24").

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Average rainfall days in August
Knierim, IA

Average rainfall days in August - Knierim, IA
  • Average rainfall days in August: 10.1 days

The month with the highest number of rainy days is June (12 days).
The month with the least rainy days is February (1.9 days).

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Average snowfall in August
Knierim, IA

Average snowfall in August - Knierim, IA
  • Average snowfall in August: 0"

The month with the highest snowfall is February (1.38").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in August
Knierim, IA

Average snowfall days in August - Knierim, IA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (7.9 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
Knierim, IA

Average daylight in August / Average sunshine in August - Knierim, IA
  • 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 6min).

  • Average sunshine in August: 9h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

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Average sunshine days in August
Knierim, IA

Average sunshine days in August - Knierim, IA
  • Average sunshine days in August: 18.8 days

The month with the most sunshine days is December (24.3 days).
The month with the least sunshine days is June (15.5 days).

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Average UV index in August
Knierim, IA

Average UV index in August - Knierim, IA
  • Average UV index in August: 5

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and February (UV index 1).

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Average cloud cover in August
Knierim, IA

Average cloud cover in August - Knierim, IA
  • Average cloud cover in August: 33

The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are July and September (Cloud cover 31).

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Average visibility in August
Knierim, IA

Average visibility in August - Knierim, IA
  • Average visibility in August: 6mi

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

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Knierim, Iowa, USA

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