August weather forecast
Lamoni, IA

Weather in August

The last month of the summer, August, is also a moderately hot month in Lamoni, Iowa, with temperature in the range of an average high of 82°F (27.8°C) and an average low of 63.5°F (17.5°C).

Temperature

In August, the average high-temperature is practically the same as in July - a still moderately hot 82°F (27.8°C). The average low-temperature, in August, is 63.5°F (17.5°C).

Heat index

The average heat index in August is computed to be a tropical 88.7°F (31.5°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'feels like', 'felt air temperature', or 'apparent temperature', is a measure of how hot it feels when the actual air humidity is factored in. This effect is individual, with diverse people perceiving weather differently for numerous reasons (clothing, pregnancy, wind), and activity. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

In Lamoni, the average relative humidity in August is 79%.

Rainfall

In Lamoni, during August, the rain falls for 12.7 days and regularly aggregates up to 2.13" (54mm) of precipitation. In Lamoni, during the entire year, the rain falls for 124.4 days and collects up to 21.42" (544mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in August in Lamoni is 13h and 44min.
On the first day of August, sunrise is at 6:12 am and sunset at 8:31 pm. On the last day of the month, sunrise is at 6:42 am and sunset at 7:49 pm CDT.

Sunshine

In August, the average sunshine is 9.9h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for average individuals.
Note: The average daily UV index of 6 in August transform into the following instructions:
Take precautions against overexposure. Protection against sun damage is needed. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in August in Lamoni?

In Lamoni, in August, the average high-temperature is 82°F (27.8°C), and the average low-temperature is 63.5°F (17.5°C). The average heat index (a.k.a. 'real feel', 'feels like'), which represents the influence of relative humidity on air temperature, in August is computed to be 88.7°F (31.5°C).

What is the average humidity in August in Lamoni?

In Lamoni, Iowa, the average relative humidity in August is 79%.

How much does it rain in Lamoni in August?

In Lamoni, Iowa, in August, during 12.7 rainfall days, 2.13" (54mm) of precipitation is typically accumulated.

When it does not snow in Lamoni?

June through September are months without snowfall in Lamoni.

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

The average day length in August in Lamoni, Iowa, is 13h and 44min.

When is the sunrise / sunset in August in Lamoni?

On the first day of August, sunrise is at 6:12 am and sunset at 8:31 pm. On the last day of the month, sunrise is at 6:42 am and sunset at 7:49 pm CDT.

How long on average sun shines in August in Lamoni?

In August, the average sunshine duration is 9.9h.

What are the months with the highest UV index in Lamoni?

The months with the highest UV index in Lamoni, Iowa, are June through August, with an average maximum UV index of 6.

How high is the UV index in August in Lamoni?

The average daily maximum UV index in August in Lamoni is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Lamoni, IA

Average temperature in August - Lamoni, IA
  • Average high temperature in August: 82°F

The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (30.7°F).

  • Average low temperature in August: 63.5°F

The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).

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Average pressure in August
Lamoni, IA

Average pressure in August - Lamoni, 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 (29.89"Hg).

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Average wind speed in August
Lamoni, IA

Average wind speed in August - Lamoni, IA
  • Average wind speed in August: 6.8mph

The windiest months (with the highest average wind speed) are January, February and March (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).

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Average humidity in August
Lamoni, IA

Average humidity in August - Lamoni, IA
  • Average humidity in August: 79%

The month with the highest relative humidity is June (83%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in August
Lamoni, IA

Average rainfall in August - Lamoni, IA
  • Average rainfall in August: 2.13"

The wettest month (with the highest rainfall) is June (3.43").
The driest months (with the least rainfall) are January, February and December (0.71").

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Average rainfall days in August
Lamoni, IA

Average rainfall days in August - Lamoni, IA
  • Average rainfall days in August: 12.7 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (3.8 days).

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Average snowfall in August
Lamoni, IA

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

The month with the highest snowfall is January (2.95").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Lamoni, IA

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

The month with the highest number of snowfall days is January (8.6 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
Lamoni, IA

Average daylight in August / Average sunshine in August - Lamoni, IA
  • Average daylight in August: 13h and 44min

The month with the longest days is June (Average daylight: 15h and 2min).
The month with the shortest days is December (Average daylight: 9h and 19min).

  • Average sunshine in August: 9h and 54min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).

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Average sunshine days in August
Lamoni, IA

Average sunshine days in August - Lamoni, IA
  • Average sunshine days in August: 15.3 days

The month with the most sunshine days is December (21.5 days).
The month with the least sunshine days is May (11.4 days).

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Average UV index in August
Lamoni, IA

Average UV index in August - Lamoni, IA
  • Average UV index in August: 6

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).

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Average cloud cover in August
Lamoni, IA

Average cloud cover in August - Lamoni, IA
  • Average cloud cover in August: 29

The month with the most cloud cover is January (Cloud cover 50).
The months with the least cloud cover are July, August and September (Cloud cover 29).

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Average visibility in August
Lamoni, IA

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

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

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