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
The commencement of August records an average high-temperature of a still warm 79.5°F (26.4°C), barely varying from July's 80.2°F (26.8°C). During the nights in August, the temperature averages to a comfortable 62.1°F (16.7°C).Humidity
In August, the average relative humidity in Walnut is 83%.Rainfall
In Walnut, in August, it is raining for 11.5 days, with typically 1.02" (26mm) of accumulated precipitation. Throughout the year, in Walnut, there are 114.5 rainfall days, and 12.72" (323mm) of precipitation is accumulated.Snowfall
In Walnut, Illinois, snow does not fall in May through September.Daylight
The average length of the day in August is 13h and 47min.On the first day of August in Walnut, Illinois, sunrise is at 5:53 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 6:24 am and sunset at 7:32 pm CDT.
Sunshine
June through August, with an average of 9.6h of sunshine, are months with the most sunshine in Walnut.UV index
In August, the average daily maximum UV index in Walnut is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 5 in August converts into the following recommendations:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Stay sun-safe with clothing that is both closely woven and worn loosely.
Frequently asked questions
What are the temperatures in Walnut in August?
What is the average humidity in August in Walnut?
How many days does it rain in August in Walnut?
When it does not snow in Walnut?
What is the average length of the day in August in Walnut?
What time are sunrise and sunset in August in Walnut?
What is the month with the most sunshine in Walnut?
How long on average sun shines in August in Walnut?
What is the UV index reading in August in Walnut?
Average temperature in August
Walnut, IL
- Average high temperature in August: 79.5°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (27.5°F).
- Average low temperature in August: 62.1°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (15.6°F).
Average pressure in August
Walnut, 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 (29.91"Hg).
Average wind speed in August
Walnut, IL
- Average wind speed in August: 6.5mph
The windiest month (with the highest average wind speed) is April (10.5mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in August
Walnut, IL
- Average humidity in August: 83%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (73%).
Average rainfall in August
Walnut, IL
- Average rainfall in August: 1.02"
The wettest month (with the highest rainfall) is May (2.01").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in August
Walnut, IL
- Average rainfall days in August: 11.5 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (3.8 days).
Average snowfall in August
Walnut, IL
- Average snowfall in August: 0"
The month with the highest snowfall is January (1.57").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Walnut, IL
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (10.1 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
Walnut, 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 4min
The months with the most sunshine are June, July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in August
Walnut, IL
- Average sunshine days in August: 16.1 days
The month with the most sunshine days is December (20.8 days).
The month with the least sunshine days is June (13.5 days).
Average UV index in August
Walnut, IL
- Average UV index in August: 5
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in August
Walnut, IL
- Average cloud cover in August: 33
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is September (Cloud cover 32).
Average visibility in August
Walnut, IL
- Average visibility in August: 5mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Walnut, Illinois, USA
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