August weather forecastAssumption, IL
August
Weather in August
August, the last month of the summer in Assumption, is another warm month, with an average temperature ranging between min 64°F (17.8°C) and max 81.5°F (27.5°C).Temperature
The arrival of August sees an average high-temperature of a still moderately hot 81.5°F (27.5°C), hardly diverging from July's 82.4°F (28°C). Assumption, in August, observes a steady average low-temperature of 64°F (17.8°C).Heat index
The heat index value for August is appraised at a hot 87.8°F (31°C). With unrelenting exposure and activity, one might experience exhaustion, leading to potential heat cramps.Heat index determinations are made taking into account the shade and light air movements. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', gives an indication of how one might feel in terms of heat after considering humidity. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.
Humidity
The average relative humidity in August in Assumption is 82%.Rainfall
In Assumption, in August, during 13.3 rainfall days, 2.2" (56mm) of precipitation is typically accumulated. Throughout the year, there are 139.6 rainfall days, and 24.25" (616mm) of precipitation is accumulated.Snowfall
In Assumption, snow does not fall in April through October.Daylight
In August, the average length of the day is 13h and 40min.On the first day of the month, sunrise is at 5:56 am and sunset at 8:08 pm. On the last day of August, sunrise is at 6:24 am and sunset at 7:28 pm CDT.
Sunshine
The average sunshine in August is 9.8h.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In August, a daily UV index of 6 turns into the following recommendations:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Assumption, IL
- Average high temperature in August: 81.5°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (33.6°F).
- Average low temperature in August: 64°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in August
Assumption, IL
- Average pressure in August: 29.98"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in August
Assumption, IL
- Average wind speed in August: 6.3mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).
Average humidity in August
Assumption, IL
- Average humidity in August: 82%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (70%).
Average rainfall in August
Assumption, IL
- Average rainfall in August: 2.2"
The wettest months (with the highest rainfall) are April and May (2.91").
The driest months (with the least rainfall) are February and December (1.38").
Average rainfall days in August
Assumption, IL
- Average rainfall days in August: 13.3 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (6.9 days).
Average snowfall in August
Assumption, IL
- Average snowfall in August: 0"
The month with the highest snowfall is February (2.8").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in August
Assumption, IL
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (7.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Assumption, IL
- Average daylight in August: 13h and 42min
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 24min).
- Average sunshine in August: 9h and 48min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in August
Assumption, IL
- Average sunshine days in August: 15.2 days
The month with the most sunshine days is October (19.7 days).
The month with the least sunshine days is May (11.6 days).
Average UV index in August
Assumption, 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).
Average cloud cover in August
Assumption, IL
- Average cloud cover in August: 31
The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are June and September (Cloud cover 30).
Average visibility in August
Assumption, 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).
