August weather forecastNachusa, IL
August
Weather in August
August, the last month of the summer in Nachusa, is also a moderately hot month, with temperature in the range of an average high of 78.6°F (25.9°C) and an average low of 61.7°F (16.5°C).Temperature
The commencement of August records an average high-temperature of a still warm 78.6°F (25.9°C), barely varying from July's 80.1°F (26.7°C). In August, Nachusa's temperature tends to fall to an average low of 61.7°F (16.5°C) during the night.Humidity
The average relative humidity in August in Nachusa is 84%.Rainfall
In Nachusa, Illinois, in August, it is raining for 14.7 days, with typically 2.36" (60mm) of accumulated precipitation. Throughout the year, in Nachusa, there are 151 rainfall days, and 31.06" (789mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall in Nachusa, Illinois.Daylight
In August, the average length of the day in Nachusa is 13h and 49min.On the first day of the month, sunrise is at 5:52 am and sunset at 8:15 pm. On the last day of August, sunrise is at 6:23 am and sunset at 7:32 pm CDT.
Sunshine
The average sunshine in August is 9.5h.UV index
In Nachusa, Illinois, the average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.Note: In August, the maximum UV index of 5 suggests this advice:
Adopt protective measures - Suggestions to resist sunburn are offered. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Nachusa, IL
- Average high temperature in August: 78.6°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (26.8°F).
- Average low temperature in August: 61.7°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (14.5°F).
Average pressure in August
Nachusa, IL
- Average pressure in August: 29.97"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in August
Nachusa, IL
- Average wind speed in August: 6.4mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in August
Nachusa, IL
- Average humidity in August: 84%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (74%).
Average rainfall in August
Nachusa, IL
- Average rainfall in August: 2.36"
The wettest month (with the highest rainfall) is May (4.65").
The driest months (with the least rainfall) are January and February (1.57").
Average rainfall days in August
Nachusa, IL
- Average rainfall days in August: 14.7 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is January (5.5 days).
Average snowfall in August
Nachusa, IL
- Average snowfall in August: 0"
The month with the highest snowfall is January (5.04").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Nachusa, IL
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (12.4 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
Nachusa, IL
- Average daylight in August: 13h and 48min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in August: 9h and 30min
The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in August
Nachusa, IL
- Average sunshine days in August: 13.8 days
The month with the most sunshine days is November (16.9 days).
The month with the least sunshine days is June (9.7 days).
Average UV index in August
Nachusa, IL
- Average UV index in August: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in August
Nachusa, IL
- Average cloud cover in August: 33
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are August and September (Cloud cover 33).
Average visibility in August
Nachusa, IL
- Average visibility in August: 5mi
The months with the highest visibility are March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, February, July and August (5mi).





