August weather forecast
Lamoni, IA

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Weather in August

In August, Lamoni, Iowa, continues to experience warm summer weather, though slightly less intense than July. This month's weather sees an average high temperature of 82°F (27.8°C) with an average low at a comfortable 63.5°F (17.5°C). August keeps up with July’s pace but beings showing signs that the summer heat is starting to recede. The wind picks up a bit during August, providing a slight relief from the heat. As August fades into September, the first hints of the impending fall season become apparent.

Temperature

The transition from July to August in Lamoni sees an average high-temperature of a still moderately hot 82°F (27.8°C), indicating a minor variance from the prior month. In August, the recorded average low-temperature in Lamoni is a comfortable 63.5°F (17.5°C).

Heat index

For August, the heat index is appraised at a hot 87.8°F (31°C). With sustained exposure and activity, exhaustion becomes probable, resulting in heat cramps.
The standards for the heat index are set for locations in shade and under light breezes. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', provides an understanding of perceived warmth by combining temperature and relative humidity. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.

Humidity

The average relative humidity in August in Lamoni is 79%.

Rainfall

In Lamoni, during August, the rain falls for 12.7 days and regularly aggregates up to 2.13" (54mm) of precipitation. Throughout the year, there are 124.4 rainfall days, and 21.42" (544mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

In August, the average length of the day is 13h and 44min.
On the first day of the month, sunrise is at 6:13 am and sunset at 8:30 pm. On the last day of August, sunrise is at 6:42 am and sunset at 7:48 pm CDT.

Sunshine

The average sunshine in August is 9.9h.

UV index

The months with the highest UV index in Lamoni are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: The UV index of 6 in August translates into these instructions:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
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Frequently asked questions

What is the average August temperature in Lamoni?

During August, Lamoni experiences an average high-temperature of 82°F (27.8°C) and a low-temperature of 63.5°F (17.5°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in August is appraised at 87.8°F (31°C).

What is the average humidity in August in Lamoni?

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

How many days does it rain in August in Lamoni?

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

When it does not snow in Lamoni?

June through September are months without snowfall in Lamoni, Iowa.

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

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

When is the sunrise / sunset in August in Lamoni?

On the first day of August in Lamoni, sunrise is at 6:13 am and sunset at 8:30 pm. On the last day of the month, sunrise is at 6:42 am and sunset at 7:48 pm CDT.

How many hours of sunshine does Lamoni have in August?

The average sunshine duration in August in Lamoni is 9.9h.

What is the month with the highest UV index in Lamoni?

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

What is the UV index reading in August in Lamoni?

In August, the average daily maximum UV index in Lamoni, Iowa, is 6. A UV Index reading of 6 to 7 represents a high health threat from unprotected exposure to 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
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 4min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in August: 9h and 5min

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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Lamoni, Iowa, USA

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