August weather forecast
Moline, IL

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Weather in August

In August, Moline's weather is characterized by typical high summer conditions. The high temperature dips marginally to 80.8°F (27.1°C), yet the comforting warmth of the summer strategically reigns. Rainfall decreases further, limiting to 1.89" (48mm) for the month. Lazy sunny afternoons by the waterfront and long evening walks symbolize this month. August truly heralds the iconic American summer experience in Moline.

Temperature

The average high-temperature in Moline for August is a still moderately hot 80.8°F (27.1°C), closely aligning with the temperature of the preceding month. During August, an average low-temperature of 62.6°F (17°C) is observed in Moline.

Heat index

During August, the heat index is estimated at a tropical 86°F (30°C). If one continues to be active during exposure, it might cause tiredness and subsequent heat cramps.
Bear in mind that the heat index values are determined for shaded areas and light breezes. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'felt air temperature' or 'feels like', integrates the air's temperature and its humidity to showcase the felt temperature by people. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. 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 August, the average relative humidity is 79%.

Rainfall

In Moline, Illinois, in August, it is raining for 13.3 days, with typically 1.89" (48mm) of accumulated precipitation. In Moline, Illinois, during the entire year, the rain falls for 138.1 days and collects up to 27.32" (694mm) of precipitation.

Snowfall

May through September are months without snowfall in Moline.

Daylight

In Moline, the average length of the day in August is 13h and 47min.
On the first day of August in Moline, sunrise is at 5:57 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 6:28 am and sunset at 7:36 pm CDT.

Sunshine

In August, the average sunshine in Moline is 9.9h.

UV index

The months with the highest UV index in Moline are July and August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the average person.
Note: In August, a daily UV index of 6 turns into the following recommendations:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Moline in August?

August temperatures vary between a high-temperature of 80.8°F (27.1°C) and a low-temperature of 62.6°F (17°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines relative humidity and air temperature, in August is estimated at 86°F (30°C).

What is the average humidity in August in Moline?

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

How many days does it rain in August in Moline?

In Moline, during August, the rain falls for 13.3 days and regularly aggregates up to 1.89" (48mm) of precipitation.

When it does not snow in Moline?

May through September are months without snowfall in Moline.

How many hours of daylight does Moline have in August?

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

What time are sunrise and sunset in August in Moline?

In August, on the first day of the month, sunrise is at 5:57 am and sunset at 8:19 pm. On the last day of the month, in Moline, sunrise is at 6:28 am and sunset at 7:36 pm CDT.

How many hours of sunshine does Moline have in August?

In August, the average sunshine duration in Moline is 9.9h.

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

July and August, with an average maximum UV index of 6, are months with the highest UV index in Moline, Illinois.

What is the UV index reading in August in Moline?

In August, the average daily maximum UV index in Moline, Illinois, is 6. A UV Index estimate of 6 to 7 represents a high health threat from unsafe 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
Moline, IL

Average temperature in August - Moline, IL
  • Average high temperature in August: 80.8°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (28°F).

  • Average low temperature in August: 62.6°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (15.6°F).

Average pressure in August
Moline, IL

Average pressure in August - Moline, IL
  • Average pressure in August: 29.97"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in August
Moline, IL

Average wind speed in August - Moline, IL
  • Average wind speed in August: 6.7mph

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).

Average humidity in August
Moline, IL

Average humidity in August - Moline, IL
  • Average humidity in August: 79%

The months with the highest relative humidity are January and July (83%).
The month with the lowest relative humidity is October (71%).

Average rainfall in August
Moline, IL

Average rainfall in August - Moline, IL
  • Average rainfall in August: 1.89"

The wettest month (with the highest rainfall) is May (4.49").
The driest month (with the least rainfall) is February (1.1").

Average rainfall days in August
Moline, IL

Average rainfall days in August - Moline, IL
  • Average rainfall days in August: 13.3 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (4.3 days).

Average snowfall in August
Moline, IL

Average snowfall in August - Moline, IL
  • Average snowfall in August: 0"

The month with the highest snowfall is January (3.98").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in August
Moline, IL

Average snowfall days in August - Moline, IL
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (10.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Moline, IL

Average daylight in August / Average sunshine in August - Moline, IL
  • 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 12min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in August
Moline, IL

Average sunshine days in August - Moline, IL
  • Average sunshine days in August: 15.7 days

The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (11.4 days).

Average UV index in August
Moline, IL

Average UV index in August - Moline, IL
  • Average UV index in August: 6

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

Average cloud cover in August
Moline, IL

Average cloud cover in August - Moline, IL
  • Average cloud cover in August: 30

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in August
Moline, IL

Average visibility in August - Moline, IL
  • 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).

Moline, Illinois, USA

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