August weather forecast and climate
Fort Atkinson, IA

Weather in August

The last month of the summer, August, is another warm month in Fort Atkinson, Iowa, with average temperature varying between 77.2°F (25.1°C) and 59.4°F (15.2°C).

Temperature

In Fort Atkinson, Iowa, the average high-temperature in August is relatively the same as in July - a still moderately hot 77.2°F (25.1°C). In Fort Atkinson, in August, the average low-temperature is 59.4°F (15.2°C).

Humidity

The average relative humidity in Fort Atkinson is 81%.

Rainfall

In Fort Atkinson, during August, the rain falls for 14.9 days and regularly aggregates up to 2.6" (66mm) of precipitation. In Fort Atkinson, during the entire year, the rain falls for 149 days and collects up to 30.59" (777mm) of precipitation.

Snowfall

In Fort Atkinson snow does not fall in June through September.

Daylight

The average length of the day in Fort Atkinson is 13.9h.

Sunshine

The month with the most sunshine in Fort Atkinson is August, with an average of 9.8h of sunshine.

UV index

May through August, with an average maximum UV index of 5, are months with the highest UV index in Fort Atkinson. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 5 transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the average humidity in August in Fort Atkinson?

In Fort Atkinson, Iowa, the average relative humidity in August is 81%.

How many days does it rain in August in Fort Atkinson?

In Fort Atkinson, Iowa, in August, it is raining for 14.9 days, with typically 2.6" (66mm) of accumulated precipitation.

When it does not snow in Fort Atkinson?

In Fort Atkinson snow does not fall in June through September.

What is the average length of the day in August in Fort Atkinson?

The average length of the day in August in Fort Atkinson is 13.9h.

What month has the most sunshine in Fort Atkinson?

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

How long on average sun shines in August in Fort Atkinson?

In August, the average sunshine in Fort Atkinson, Iowa, is 9.8h.

When is the highest UV index in Fort Atkinson?

May through August, with an average maximum UV index of 5, are months with the highest UV index in Fort Atkinson, Iowa.

How high is the UV index in August in Fort Atkinson?

In August, the average daily maximum UV index in Fort Atkinson, Iowa, is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from the exposure to the Sun's UV rays.

Average temperature in August
Fort Atkinson, IA

Average temperature in August - Fort Atkinson, IA
  • Average high temperature in August: 25.1°C

The warmest month (with the highest average high temperature) is July (25.8°C).
The month with the lowest average high temperature is January (-5.4°C).

  • Average low temperature in August: 15.2°C

The month with the highest average low temperature is July (16.6°C).
The coldest month (with the lowest average low temperature) is January (-12.4°C).

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Average pressure in August
Fort Atkinson, IA

Average pressure in August - Fort Atkinson, IA
  • Average pressure in August: 1014.6mbar

The month with the highest atmospheric pressure is January (1020.4mbar).
The month with the lowest atmospheric pressure is June (1012.2mbar).

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Average wind speed in August
Fort Atkinson, IA

Average wind speed in August - Fort Atkinson, IA
  • Average wind speed in August: 11.3km/h

The windiest month (with the highest average wind speed) is April (16.7km/h).
The calmest month (with the lowest average wind speed) is August (11.3km/h).

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Average humidity in August
Fort Atkinson, IA

Average humidity in August - Fort Atkinson, IA
  • Average humidity in August: 81%

Months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is October (76%).

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Average rainfall in August
Fort Atkinson, IA

Average rainfall in August - Fort Atkinson, IA
  • Average rainfall in August: 66mm

The wettest month (with the highest rainfall) is June (128mm).
The driest month (with the least rainfall) is January (28mm).

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Average rainfall days in August
Fort Atkinson, IA

Average rainfall days in August - Fort Atkinson, IA
  • Average rainfall days in August: 14.9 days

Months with the highest number of rainy days are May and June (20.3 days).
The month with the least rainy days is February (4.4 days).

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Average snowfall in August
Fort Atkinson, IA

Average snowfall in August - Fort Atkinson, IA
  • Average snowfall in August: 0mm

The month with the highest snowfall is February (152mm).
Months with the least snowfall are June, July, August and September (0mm).

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Average snowfall days in August
Fort Atkinson, IA

Average snowfall days in August - Fort Atkinson, IA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (14.3 days).
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
Fort Atkinson, IA

Average daylight in August / Average sunshine in August - Fort Atkinson, IA
  • Average daylight in August: 13.9h

The month with the longest days is June (Average daylight: 15.3h).
The month with the shortest days is December (Average daylight: 9h).

  • Average sunshine in August: 9.8h

The month with the most sunshine is August (Average sunshine: 9.8h).
The month with the least sunshine is January (Average sunshine: 3.5h).

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Average sunshine days in August
Fort Atkinson, IA

Average sunshine days in August - Fort Atkinson, IA
  • Average sunshine days in August: 12.3 days

The month with the most sunshine days is November (16.2 days).
The month with the least sunshine days is June (7.1 days).

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Average UV index in August
Fort Atkinson, IA

Average UV index in August - Fort Atkinson, IA
  • Average UV index in August: 5

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

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Average cloud cover in August
Fort Atkinson, IA

Average cloud cover in August - Fort Atkinson, IA
  • Average cloud cover in August: 32

The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 32).

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Average visibility in August
Fort Atkinson, IA

Average visibility in August - Fort Atkinson, IA
  • Average visibility in August: 9km

Months with the highest visibility are March, April, May, June, August, September, October and November (9km).
Months with the lowest visibility are January, February, July and December (8km).

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