August weather forecastLansing, IL
August
Weather in August
August, the last month of the summer in Lansing, is another warm month, with an average temperature ranging between min 65.5°F (18.6°C) and max 79.7°F (26.5°C).Temperature
A minimal variation is noted in Lansing's average high-temperature at the onset of August, reaching a still moderately hot 79.7°F (26.5°C) from July's 80.8°F (27.1°C). In the month of August, the temperature generally rests at an average low of 65.5°F (18.6°C).Humidity
In August, the average relative humidity is 77%.Rainfall
In Lansing, during August, the rain falls for 16 days and regularly aggregates up to 2.72" (69mm) of precipitation. Throughout the year, there are 150.7 rainfall days, and 25.31" (643mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
In Lansing, Illinois, the average length of the day in August is 13h and 48min.On the first day of August in Lansing, sunrise is at 5:45 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 6:16 am and sunset at 7:24 pm CDT.
Sunshine
The month with the most sunshine is August, with an average of 10.2h of sunshine.UV index
The average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 5 during August leads to these advisories:
Exercise prevention - Precautions against solar damage are endorsed. To guard against the harmful effects of the Sun, minimize exposure during midday. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Lansing, IL
- Average high temperature in August: 79.7°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in August: 65.5°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in August
Lansing, IL
- Average pressure in August: 29.98"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in August
Lansing, IL
- Average wind speed in August: 6.6mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in August
Lansing, IL
- Average humidity in August: 77%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is October (72%).
Average rainfall in August
Lansing, IL
- Average rainfall in August: 2.72"
The wettest month (with the highest rainfall) is June (3.39").
The driest month (with the least rainfall) is January (1.14").
Average rainfall days in August
Lansing, IL
- Average rainfall days in August: 16 days
The month with the highest number of rainy days is July (18.4 days).
The month with the least rainy days is February (5.5 days).
Average snowfall in August
Lansing, IL
- Average snowfall in August: 0"
The month with the highest snowfall is February (3.5").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Lansing, IL
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (12.5 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
Lansing, 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 12min).
- Average sunshine in August: 10h and 12min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in August
Lansing, IL
- Average sunshine days in August: 12.2 days
The month with the most sunshine days is November (17 days).
The month with the least sunshine days is July (9.9 days).
Average UV index in August
Lansing, 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
Lansing, IL
- Average cloud cover in August: 30
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in August
Lansing, IL
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
