August weather forecastAshkum, IL
August
Weather in August
The last month of the summer, August, is another warm month in Ashkum, Illinois, with an average temperature fluctuating between 79.5°F (26.4°C) and 62.4°F (16.9°C).Temperature
The introduction of August sees an average high-temperature of a still warm 79.5°F (26.4°C), hardly deviating from July. Ashkum records a mean low-temperature of 62.4°F (16.9°C) in August.Humidity
In August, the average relative humidity is 84%.Rainfall
In Ashkum, in August, during 14.8 rainfall days, 2.13" (54mm) of precipitation is typically accumulated. Throughout the year, there are 138.7 rainfall days, and 21.77" (553mm) of precipitation is accumulated.Snowfall
In Ashkum, snow does not fall in May through September.Daylight
In Ashkum, the average length of the day in August is 13h and 45min.On the first day of the month, sunrise is at 5:48 am and sunset at 8:07 pm. On the last day of August, sunrise is at 6:18 am and sunset at 7:25 pm CDT.
Sunshine
In Ashkum, the average sunshine in August is 9.6h.UV index
In August, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 5 in August translates into these instructions:
Undertake precautions - It is suggested to shield oneself from sunburn. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Ashkum, IL
- Average high temperature in August: 79.5°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (30.2°F).
- Average low temperature in August: 62.4°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in August
Ashkum, IL
- Average pressure in August: 29.98"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in August
Ashkum, IL
- Average wind speed in August: 6.2mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in August
Ashkum, IL
- Average humidity in August: 84%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (71%).
Average rainfall in August
Ashkum, IL
- Average rainfall in August: 2.13"
The wettest month (with the highest rainfall) is May (3.19").
The driest months (with the least rainfall) are January, February and December (1.06").
Average rainfall days in August
Ashkum, IL
- Average rainfall days in August: 14.8 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is February (5.1 days).
Average snowfall in August
Ashkum, IL
- Average snowfall in August: 0"
The month with the highest snowfall is February (2.48").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Ashkum, IL
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (10.8 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
Ashkum, IL
- Average daylight in August: 13h and 48min
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 18min).
- Average sunshine in August: 9h and 36min
The month with the most sunshine is June (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in August
Ashkum, IL
- Average sunshine days in August: 12.1 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (10 days).
Average UV index in August
Ashkum, IL
- 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 December (UV index 1).
Average cloud cover in August
Ashkum, IL
- Average cloud cover in August: 34
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 34).
Average visibility in August
Ashkum, 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).





