August weather forecastMorrisonville, IL
August
Weather in August
August, the last month of the summer in Morrisonville, is also a moderately hot month, with temperature in the range of an average low of 64.8°F (18.2°C) and an average high of 81.9°F (27.7°C).Temperature
Morrisonville starts August with an average high-temperature of a still warm 81.9°F (27.7°C), a minor shift from July's 82.8°F (28.2°C). An average low-temperature of 64.8°F (18.2°C) is noted in Morrisonville during the month of August.Heat index
The heat index value during August is estimated at a tropical 87.8°F (31°C). If one persists in activity during exposure, it could induce weariness and subsequently, heat cramps.Always consider that heat index estimations are for light winds and places in the shade. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', gives a temperature feeling by integrating air temperature and humidity. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.
Humidity
In Morrisonville, the average relative humidity in August is 81%.Rainfall
In August, the rain falls for 8.8 days. Throughout August, 0.67" (17mm) of precipitation is accumulated. Throughout the year, in Morrisonville, there are 96.7 rainfall days, and 7.64" (194mm) of precipitation is accumulated.Snowfall
In Morrisonville, snow does not fall in April through October.Daylight
In August, the average length of the day in Morrisonville is 13h and 40min.On the first day of August, sunrise is at 5:58 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 6:26 am and sunset at 7:29 pm CDT.
Sunshine
The average sunshine in August in Morrisonville is 9.9h.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index in Morrisonville. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: A daily high UV index of 6 in August leads to these guidelines:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Morrisonville, IL
- Average high temperature in August: 81.9°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (34°F).
- Average low temperature in August: 64.8°F
The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in August
Morrisonville, 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
Morrisonville, IL
- Average wind speed in August: 6.2mph
The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest month (with the lowest average wind speed) is July (6.1mph).
Average humidity in August
Morrisonville, IL
- Average humidity in August: 81%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (70%).
Average rainfall in August
Morrisonville, IL
- Average rainfall in August: 0.67"
The wettest month (with the highest rainfall) is April (0.94").
The driest months (with the least rainfall) are September and December (0.39").
Average rainfall days in August
Morrisonville, IL
- Average rainfall days in August: 8.8 days
The month with the highest number of rainy days is May (11.5 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in August
Morrisonville, IL
- Average snowfall in August: 0"
The month with the highest snowfall is February (0.83").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in August
Morrisonville, IL
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (5.9 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
Morrisonville, 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 54min
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 12min).
Average sunshine days in August
Morrisonville, IL
- Average sunshine days in August: 18.3 days
The month with the most sunshine days is November (22.6 days).
The months with the least sunshine days are May and June (16.5 days).
Average UV index in August
Morrisonville, 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
Morrisonville, IL
- Average cloud cover in August: 30
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility in August
Morrisonville, 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).
