August weather forecastRantoul, IL
August
Weather in August
August, the last month of the summer in Rantoul, is also a moderately hot month, with an average temperature varying between 63.1°F (17.3°C) and 80.2°F (26.8°C).Temperature
Rantoul's weather in August indicates an average high-temperature of a still moderately hot 80.2°F (26.8°C), nearly consistent with the 81°F (27.2°C) of July. During the nights in August, Rantoul experiences a consistent average temperature of 63.1°F (17.3°C).Humidity
The average relative humidity in August in Rantoul is 83%.Rainfall
In August, in Rantoul, the rain falls for 11.7 days. Throughout August, 1.14" (29mm) of precipitation is accumulated. Throughout the year, there are 121.5 rainfall days, and 13.46" (342mm) of precipitation is accumulated.Snowfall
In Rantoul, snow does not fall in May through October.Daylight
In Rantoul, the average length of the day in August is 13h and 43min.On the first day of the month, sunrise is at 5:51 am and sunset at 8:06 pm. On the last day of August, sunrise is at 6:19 am and sunset at 7:25 pm CDT.
Sunshine
In August, the average sunshine in Rantoul is 9.8h.UV index
The months with the highest UV index in Rantoul are June through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for average individuals.Note: In August, a regular UV index of 6 translates into these guidelines:
Ward off overexposure. Defence against solar harm is crucial. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Rantoul, IL
- Average high temperature in August: 80.2°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in August: 63.1°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in August
Rantoul, IL
- Average pressure in August: 29.98"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in August
Rantoul, IL
- Average wind speed in August: 6.4mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in August
Rantoul, 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 (71%).
Average rainfall in August
Rantoul, IL
- Average rainfall in August: 1.14"
The wettest month (with the highest rainfall) is May (1.77").
The driest month (with the least rainfall) is February (0.67").
Average rainfall days in August
Rantoul, IL
- Average rainfall days in August: 11.7 days
The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is February (4.6 days).
Average snowfall in August
Rantoul, IL
- Average snowfall in August: 0"
The month with the highest snowfall is February (1.38").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in August
Rantoul, IL
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (7.9 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
Rantoul, IL
- Average daylight in August: 13h and 42min
The month with the longest days is June (Average daylight: 15h and 0min).
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 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in August
Rantoul, IL
- Average sunshine days in August: 14.8 days
The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in August
Rantoul, 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
Rantoul, IL
- Average cloud cover in August: 31
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in August
Rantoul, 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).
