August weather forecast
Cou Falls, IA

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Weather in August

The last month of the summer, August, is another warm month in Cou Falls, Iowa, with an average temperature fluctuating between 79.5°F (26.4°C) and 62.1°F (16.7°C).

Temperature

With the arrival of August, Cou Falls's average high-temperature registers at a still moderately hot 79.5°F (26.4°C), indicating a subtle variation from the previous month. During August, the temperature is averaged to a low of 62.1°F (16.7°C) at night.

Humidity

In Cou Falls, Iowa, the average relative humidity in August is 80%.

Rainfall

In Cou Falls, in August, during 11.9 rainfall days, 1.22" (31mm) of precipitation is typically accumulated. In Cou Falls, Iowa, during the entire year, the rain falls for 120.7 days and collects up to 18.31" (465mm) of precipitation.

Snowfall

May 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 6:01 am and sunset at 8:24 pm. On the last day of August, sunrise is at 6:32 am and sunset at 7:41 pm CDT.

Sunshine

In Cou Falls, the average sunshine in August is 9.9h.

UV index

The average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum UV index of 5 during August leads to these instructions:
Exercise prevention - Precautions against solar damage are endorsed. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.

Frequently asked questions

What is the average August temperature?

In August, the average high-temperature and low-temperature are 79.5°F (26.4°C) and 62.1°F (16.7°C) respectively. The average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines air temperature and relative humidity, in July is evaluated at 86°F (30°C).

What is the average humidity in August?

In August, the average relative humidity is 80%.

How many days does it rain in August?

In Cou Falls, in August, during 11.9 rainfall days, 1.22" (31mm) of precipitation is typically accumulated.

When it does not snow?

May through September are months without snowfall.

What is the average length of the day in August?

The average day length in August is 13h and 49min.

When is the sunrise / sunset in August?

On the first day of August in Cou Falls, sunrise is at 6:01 am and sunset at 8:24 pm. On the last day of the month, sunrise is at 6:32 am and sunset at 7:41 pm CDT.

How long on average sun shines in August?

In Cou Falls, the average sunshine duration in August is 9.9h.

What is the UV index reading in August?

In Cou Falls, the average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a medium health risk 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
Cou Falls, IA

Average temperature in August - Cou Falls, IA
  • Average high temperature in August: 79.5°F

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (26.2°F).

  • Average low temperature in August: 62.1°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (14.2°F).

Average pressure in August
Cou Falls, IA

Average pressure in August - Cou Falls, IA
  • Average pressure in August: 29.97"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in August
Cou Falls, IA

Average wind speed in August - Cou Falls, IA
  • Average wind speed in August: 7mph

The windiest months (with the highest average wind speed) are January and April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).

Average humidity in August
Cou Falls, IA

Average humidity in August - Cou Falls, IA
  • Average humidity in August: 80%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (73%).

Average rainfall in August
Cou Falls, IA

Average rainfall in August - Cou Falls, IA
  • Average rainfall in August: 1.22"

The wettest month (with the highest rainfall) is May (3.07").
The driest months (with the least rainfall) are January and February (0.63").

Average rainfall days in August
Cou Falls, IA

Average rainfall days in August - Cou Falls, IA
  • Average rainfall days in August: 11.9 days

The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is February (3 days).

Average snowfall in August
Cou Falls, IA

Average snowfall in August - Cou Falls, IA
  • Average snowfall in August: 0"

The month with the highest snowfall is January (2.64").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in August
Cou Falls, IA

Average snowfall days in August - Cou Falls, IA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Cou Falls, IA

Average daylight in August / Average sunshine in August - Cou Falls, 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 12min).

  • Average sunshine in August: 9h and 5min

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

Average sunshine days in August
Cou Falls, IA

Average sunshine days in August - Cou Falls, IA
  • Average sunshine days in August: 17 days

The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is June (11.8 days).

Average UV index in August
Cou Falls, IA

Average UV index in August - Cou Falls, 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 December (UV index 1).

Average cloud cover in August
Cou Falls, IA

Average cloud cover in August - Cou Falls, IA
  • Average cloud cover in August: 30

The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are August and September (Cloud cover 30).

Average visibility in August
Cou Falls, IA

Average visibility in August - Cou Falls, 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).

Cou Falls, Iowa, USA

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