August weather forecast
Gibson, IA

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Weather in August

The last month of the summer, August, is also a moderately hot month in Gibson, Iowa, with an average temperature varying between 80.6°F (27°C) and 62.2°F (16.8°C).

Temperature

August is marked by an average high-temperature of a still warm 80.6°F (27°C), almost identical to the preceding month. Throughout August, a steady low-temperature average of 62.2°F (16.8°C) is noted.

Heat index

Throughout August, the heat index is evaluated at a hot 86°F (30°C). Persistent activity under exposure might lead to a feeling of weariness, with subsequent heat cramps.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.

Humidity

In Gibson, the average relative humidity in August is 80%.

Rainfall

In Gibson, in August, during 11.1 rainfall days, 1.26" (32mm) of precipitation is typically accumulated. Throughout the year, in Gibson, there are 117.7 rainfall days, and 15.12" (384mm) of precipitation is accumulated.

Snowfall

In Gibson, snow does not fall in June through September.

Daylight

The average length of the day in August is 13h and 47min.
On the first day of the month, sunrise is at 6:05 am and sunset at 8:26 pm. On the last day of August, sunrise is at 6:35 am and sunset at 7:43 pm CDT.

Sunshine

The average sunshine in August is 9.8h.

UV index

In August, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: The maximum daily UV index of 5 in August converts into the following recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Updated: Jun 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Gibson in August?

In August, the average high-temperature and low-temperature are 80.6°F (27°C) and 62.2°F (16.8°C) respectively. The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in August is evaluated at 86°F (30°C).

What is the average humidity in August?

The average relative humidity in August is 80%.

How many days does it rain in August?

In Gibson, in August, it is raining for 11.1 days, with typically 1.26" (32mm) of accumulated precipitation.

When it does not snow in Gibson?

In Gibson, snow does not fall in June through September.

How many hours of daylight does Gibson have in August?

In Gibson, the average day length in August is 13h and 47min.

When is the sunrise / sunset in August?

In August, on the first day of the month, sunrise is at 6:05 am and sunset at 8:26 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 7:43 pm CDT.

How many hours of sunshine does Gibson have in August?

In Gibson, the average sunshine duration in August is 9.8h.

What is the UV index reading in August?

In August, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability 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
Gibson, IA

Average temperature in August - Gibson, IA
  • Average high temperature in August: 80.6°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (27.3°F).

  • Average low temperature in August: 62.2°F

The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (14.5°F).

Average pressure in August
Gibson, IA

Average pressure in August - Gibson, IA
  • Average pressure in August: 29.97"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

Average wind speed in August
Gibson, IA

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

The windiest months (with the highest average wind speed) are January and April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).

Average humidity in August
Gibson, IA

Average humidity in August - Gibson, IA
  • Average humidity in August: 80%

The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (72%).

Average rainfall in August
Gibson, IA

Average rainfall in August - Gibson, IA
  • Average rainfall in August: 1.26"

The wettest month (with the highest rainfall) is June (2.36").
The driest month (with the least rainfall) is February (0.55").

Average rainfall days in August
Gibson, IA

Average rainfall days in August - Gibson, IA
  • Average rainfall days in August: 11.1 days

The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is February (3.7 days).

Average snowfall in August
Gibson, IA

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

The month with the highest snowfall is January (1.93").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Gibson, IA

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

The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Gibson, IA
  • Average daylight in August: 13h and 5min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in August: 9h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days in August
Gibson, IA

Average sunshine days in August - Gibson, IA
  • Average sunshine days in August: 17.4 days

The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is June (11.6 days).

Average UV index in August
Gibson, IA

Average UV index in August - Gibson, IA
  • Average UV index in August: 5

The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).

Average cloud cover in August
Gibson, IA

Average cloud cover in August - Gibson, IA
  • Average cloud cover in August: 31

The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is September (Cloud cover 30).

Average visibility in August
Gibson, IA

Average visibility in August - Gibson, IA
  • Average visibility in August: 5mi

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

Gibson, Iowa, USA

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