August weather forecast
Coin, IA

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Weather in August

The last month of the summer, August, is also a moderately hot month in Coin, Iowa, with temperature in the range of an average high of 82.2°F (27.9°C) and an average low of 63.7°F (17.6°C).

Temperature

At the start of August, Coin's average high-temperature reaches a still warm 82.2°F (27.9°C), subtly different from the preceding month. Coin, during August, witnesses an average low-temperature of 63.7°F (17.6°C).

Heat index

The heat index value during August is evaluated at a hot 89.6°F (32°C). Extended exposure and activity might lead to tiredness, potentially resulting in heat cramps.
It is important to note that the heat index values are for shaded areas and light wind scenarios. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', determines the feeling of heat when you account for the relative humidity. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.

Humidity

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

Rainfall

In August, the rain falls for 12.6 days. Throughout August, 2.13" (54mm) of precipitation is accumulated. Throughout the year, in Coin, Iowa, there are 114.9 rainfall days, and 18.39" (467mm) of precipitation is accumulated.

Snowfall

In Coin, snow does not fall in May through September.

Daylight

The average length of the day in August in Coin is 13h and 44min.
On the first day of the month, sunrise is at 6:18 am and sunset at 8:35 pm. On the last day of August, sunrise is at 6:47 am and sunset at 7:54 pm CDT.

Sunshine

The average sunshine in August in Coin is 10h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index in Coin. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the average person.
Note: The UV index of 6 during August translates into the following guidance:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Coin in August?

In Coin, in August, the average high-temperature is 82.2°F (27.9°C), and the average low-temperature is 63.7°F (17.6°C). The average heat index (a.k.a. 'real feel', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in August is evaluated at 89.6°F (32°C).

What is the average humidity in August in Coin?

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

How many days does it rain in August in Coin?

In Coin, in August, it is raining for 12.6 days, with typically 2.13" (54mm) of accumulated precipitation.

When it does not snow in Coin?

In Coin, snow does not fall in May through September.

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

In August, the average day length in Coin is 13h and 44min.

When are sunrise and sunset in August in Coin?

In August, on the first day of the month, sunrise is at 6:18 am and sunset at 8:35 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 7:54 pm CDT.

How long on average sun shines in August in Coin?

In August, the average sunshine duration is 10h.

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

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

What is the UV index reading in August in Coin?

The average daily maximum UV index in August in Coin, Iowa, is 6. A UV Index reading of 6 to 7 represents a high health risk 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
Coin, IA

Average temperature in August - Coin, IA
  • Average high temperature in August: 82.2°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (31.1°F).

  • Average low temperature in August: 63.7°F

The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (17.2°F).

Average pressure in August
Coin, IA

Average pressure in August - Coin, IA
  • Average pressure in August: 29.95"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

Average wind speed in August
Coin, IA

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

The windiest month (with the highest average wind speed) is March (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).

Average humidity in August
Coin, IA

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

The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is October (69%).

Average rainfall in August
Coin, IA

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

The wettest month (with the highest rainfall) is June (3.39").
The driest month (with the least rainfall) is February (0.43").

Average rainfall days in August
Coin, IA

Average rainfall days in August - Coin, IA
  • Average rainfall days in August: 12.6 days

The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is February (3.4 days).

Average snowfall in August
Coin, IA

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

The month with the highest snowfall is January (2.17").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in August
Coin, IA

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

The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Coin, IA

Average daylight in August / Average sunshine in August - Coin, 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: 10h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).

Average sunshine days in August
Coin, IA

Average sunshine days in August - Coin, IA
  • Average sunshine days in August: 15 days

The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is June (12.3 days).

Average UV index in August
Coin, IA

Average UV index in August - Coin, 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, November and December (UV index 2).

Average cloud cover in August
Coin, IA

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

The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 27).

Average visibility in August
Coin, IA

Average visibility in August - Coin, 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).

Coin, Iowa, USA

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