August weather forecast
Godfrey, IL

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Weather in August

August, the last month of the summer in Godfrey, is also a moderately hot month, with temperature in the range of an average low of 65.7°F (18.7°C) and an average high of 84°F (28.9°C).

Temperature

In Godfrey, August's average high-temperature stands at a still warm 84°F (28.9°C), closely related to the preceding month. Throughout August, Godfrey encounters an average temperature drop to an enjoyable 65.7°F (18.7°C).

Heat index

The heat index for August is evaluated at a tropical 93.2°F (34°C). Emphasize additional safety, risk of heat cramps and heat exhaustion is high. Continuous activity might result in heatstroke.
The metrics for the heat index are tailored for both shady environments and light winds. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is the result of factoring in humidity to the air temperature, indicating perceived warmth. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.

Humidity

The average relative humidity in August is 78%.

Rainfall

In Godfrey, Illinois, during August, the rain falls for 13.3 days and regularly aggregates up to 2.36" (60mm) of precipitation. In Godfrey, Illinois, during the entire year, the rain falls for 128.3 days and collects up to 18.9" (480mm) of precipitation.

Snowfall

April through October are months without snowfall in Godfrey.

Daylight

In August, the average length of the day in Godfrey, Illinois, is 13h and 38min.
On the first day of August in Godfrey, sunrise is at 6:02 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 6:29 am and sunset at 7:32 pm CDT.

Sunshine

The average sunshine in August in Godfrey, Illinois, is 10.1h.

UV index

The months with the highest UV index in Godfrey are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: In August, a daily maximum UV index of 6 leads to the following instructions:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
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Frequently asked questions

How hot is August in Godfrey?

The average high-temperature, in August, in Godfrey, is 84°F (28.9°C), while the average low-temperature is 65.7°F (18.7°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in August is evaluated at 93.2°F (34°C).

What is the average humidity in August in Godfrey?

In August, the average relative humidity is 78%.

How much does it rain in Godfrey in August?

In Godfrey, in August, it is raining for 13.3 days, with typically 2.36" (60mm) of accumulated precipitation.

When it does not snow in Godfrey?

April through October are months without snowfall in Godfrey, Illinois.

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

The average day length in August is 13h and 38min.

When are sunrise and sunset in August in Godfrey?

On the first day of August in Godfrey, Illinois, sunrise is at 6:02 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 6:29 am and sunset at 7:32 pm CDT.

How many hours of sunshine does Godfrey have in August?

In August, the average sunshine duration is 10.1h.

When is the highest UV index in Godfrey?

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

How high is the UV index in August in Godfrey?

In August, the average daily maximum UV index in Godfrey, Illinois, is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability 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
Godfrey, IL

Average temperature in August - Godfrey, IL
  • Average high temperature in August: 84°F

The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (36.1°F).

  • Average low temperature in August: 65.7°F

The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).

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Average pressure in August
Godfrey, IL

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

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in August
Godfrey, IL

Average wind speed in August - Godfrey, IL
  • Average wind speed in August: 5.8mph

The windiest month (with the highest average wind speed) is January (9.6mph).
The calmest month (with the lowest average wind speed) is July (5.7mph).

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Average humidity in August
Godfrey, IL

Average humidity in August - Godfrey, IL
  • Average humidity in August: 78%

The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in August
Godfrey, IL

Average rainfall in August - Godfrey, IL
  • Average rainfall in August: 2.36"

The wettest month (with the highest rainfall) is May (2.44").
The driest month (with the least rainfall) is February (0.83").

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Average rainfall days in August
Godfrey, IL

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

The month with the highest number of rainy days is July (15.4 days).
The month with the least rainy days is January (5.7 days).

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Average snowfall in August
Godfrey, IL

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

The month with the highest snowfall is February (1.14").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in August
Godfrey, IL

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

The month with the highest number of snowfall days is January (5.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Godfrey, IL
  • Average daylight in August: 13h and 4min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in August: 10h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 30min).

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Average sunshine days in August
Godfrey, IL

Average sunshine days in August - Godfrey, IL
  • Average sunshine days in August: 15.3 days

The month with the most sunshine days is December (21 days).
The month with the least sunshine days is June (12.6 days).

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Average UV index in August
Godfrey, IL

Average UV index in August - Godfrey, IL
  • 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).

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Average cloud cover in August
Godfrey, IL

Average cloud cover in August - Godfrey, IL
  • Average cloud cover in August: 28

The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 28).

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Average visibility in August
Godfrey, IL

Average visibility in August - Godfrey, 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).

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Godfrey, Illinois, USA

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