August weather forecast
Fort Atkinson, IA

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Weather in August

August, the last month of the summer in Fort Atkinson, is also a moderately hot month, with an average temperature fluctuating between 77.2°F (25.1°C) and 59.4°F (15.2°C).

Temperature

Fort Atkinson's weather, upon August's arrival, documents an average high-temperature of a still warm 77.2°F (25.1°C), nearly identical to the prior month. During August, Fort Atkinson records an average temperature of 59.4°F (15.2°C) at night.

Humidity

The average relative humidity in August in Fort Atkinson is 81%.

Rainfall

In August, the rain falls for 14.9 days. Throughout August, 2.6" (66mm) of precipitation is accumulated. Throughout the year, there are 149 rainfall days, and 30.59" (777mm) of precipitation is accumulated.

Snowfall

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

Daylight

In August, the average length of the day is 13h and 53min.
On the first day of the month, sunrise is at 5:59 am and sunset at 8:28 pm. On the last day of August, sunrise is at 6:31 am and sunset at 7:43 pm CDT.

Sunshine

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

UV index

May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In August, a regular UV index of 5 translates into these guidelines:
Heed the precautions - Suggestions to avoid sunburn are made. To guard against the harmful effects of the Sun, minimize exposure during midday. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Updated: Jul 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average August temperature in Fort Atkinson?

In Fort Atkinson, in August, the average high-temperature is 77.2°F (25.1°C), and the average low-temperature is 59.4°F (15.2°C).

What is the average humidity in August?

The average relative humidity in August is 81%.

How many days does it rain in August?

In Fort Atkinson, during August, the rain falls for 14.9 days and regularly aggregates up to 2.6" (66mm) of 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 August, the average day length is 13h and 53min.

What time are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 5:59 am and sunset at 8:28 pm. On the last day of the month, sunrise is at 6:31 am and sunset at 7:43 pm CDT.

What month has the most sunshine?

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

How long on average sun shines in August?

The average sunshine duration in August is 9.8h.

What is the month with the highest UV index?

The months with the highest UV index are May through August, with an average maximum UV index of 5.

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

The average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a medium hazard to health 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
Fort Atkinson, IA

Average temperature in August - Fort Atkinson, IA
  • Average high temperature in August: 77.2°F

The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (22.3°F).

  • Average low temperature in August: 59.4°F

The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (9.7°F).

Average pressure in August
Fort Atkinson, IA

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

The months with the highest atmospheric pressure are January and February (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

Average wind speed in August
Fort Atkinson, IA

Average wind speed in August - Fort Atkinson, IA
  • Average wind speed in August: 7mph

The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (7mph).

Average humidity in August
Fort Atkinson, IA

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

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

Average rainfall in August
Fort Atkinson, IA

Average rainfall in August - Fort Atkinson, IA
  • Average rainfall in August: 2.6"

The wettest month (with the highest rainfall) is June (5.04").
The driest month (with the least rainfall) is January (1.1").

Average rainfall days in August
Fort Atkinson, IA

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

The 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).

Average snowfall in August
Fort Atkinson, IA

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

The month with the highest snowfall is February (5.98").
The months with the least snowfall are June, July, August and September (0").

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).
The months with the least snowfall days are June, July, August and September (0 days).

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: 13h and 5min

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

  • Average sunshine in August: 9h and 5min

The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

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).

Average UV index in August
Fort Atkinson, IA

Average UV index in August - Fort Atkinson, IA
  • 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, February, November and December (UV index 1).

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).

Average visibility in August
Fort Atkinson, IA

Average visibility in August - Fort Atkinson, IA
  • Average visibility in August: 6mi

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

Fort Atkinson, Iowa, USA

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