Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
Prairie Grove experiences a minor change to a still warm 78.1°F (25.6°C) in average high-temperature during August, closely reflecting July. In Prairie Grove, the average nighttime temperature during August is an enjoyable 61.9°F (16.6°C).Humidity
In Prairie Grove, the average relative humidity in August is 82%.Rainfall
In Prairie Grove, in August, during 17.3 rainfall days, 2.52" (64mm) of precipitation is typically accumulated. In Prairie Grove, during the entire year, the rain falls for 146.9 days and collects up to 21.22" (539mm) of precipitation.Snowfall
In Prairie Grove, snow does not fall in June through September.Daylight
In Prairie Grove, the average length of the day in August is 13h and 50min.On the first day of the month, sunrise is at 5:46 am and sunset at 8:12 pm. On the last day of August, sunrise is at 6:18 am and sunset at 7:28 pm CDT.
Sunshine
In Prairie Grove, the average sunshine in August is 9.8h.UV index
August is the month with the highest UV index, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: An average UV index of 6 in August transforms into this advice:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in August?
What is the average humidity in August?
How many days does it rain in August?
When it does not snow?
How many hours of daylight does Prairie Grove have in August?
When are sunrise and sunset in August?
How many hours of sunshine does Prairie Grove have in August?
What is the month with the highest UV index?
How high is the UV index in August?
Average temperature in August
Prairie Grove, IL
- Average high temperature in August: 78.1°F
The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in August: 61.9°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).
Average pressure in August
Prairie Grove, IL
- Average pressure in August: 29.98"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in August
Prairie Grove, IL
- Average wind speed in August: 6.2mph
The windiest months (with the highest average wind speed) are January and February (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in August
Prairie Grove, IL
- Average humidity in August: 82%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April and October (76%).
Average rainfall in August
Prairie Grove, IL
- Average rainfall in August: 2.52"
The wettest month (with the highest rainfall) is June (2.8").
The driest months (with the least rainfall) are November and December (0.94").
Average rainfall days in August
Prairie Grove, IL
- Average rainfall days in August: 17.3 days
The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is February (4.8 days).
Average snowfall in August
Prairie Grove, IL
- Average snowfall in August: 0"
The month with the highest snowfall is January (3.31").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Prairie Grove, IL
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Prairie Grove, IL
- Average daylight in August: 13h and 5min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in August: 9h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in August
Prairie Grove, IL
- Average sunshine days in August: 10.4 days
The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is July (10 days).
Average UV index in August
Prairie Grove, IL
- Average UV index in August: 6
The month with the highest UV index is August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in August
Prairie Grove, IL
- Average cloud cover in August: 33
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are July and September (Cloud cover 32).
Average visibility in August
Prairie Grove, IL
- Average visibility in August: 5mi
The months with the highest visibility are March, April, May, June, July, September, October, November and December (6mi).
The months with the lowest visibility are January, February and August (5mi).
Prairie Grove, Illinois, USA
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