August weather forecastNorth Chicago, IL
August
Weather in August
The last month of the summer, August, is another warm month in North Chicago, Illinois, with an average temperature varying between 64.4°F (18°C) and 78.6°F (25.9°C).Temperature
The high-temperature average in August for North Chicago, Illinois, is a still warm 78.6°F (25.9°C), staying closely aligned with July's conditions. During the month of August, the temperature generally drops to a low average of 64.4°F (18°C).Humidity
In August, the average relative humidity in North Chicago is 77%.Rainfall
In North Chicago, during August, the rain falls for 16.5 days and regularly aggregates up to 2.52" (64mm) of precipitation. In North Chicago, during the entire year, the rain falls for 142.1 days and collects up to 20.67" (525mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In August, the average length of the day is 13h and 50min.On the first day of the month, sunrise is at 5:44 am and sunset at 8:10 pm. On the last day of August, sunrise is at 6:16 am and sunset at 7:26 pm CDT.
Sunshine
July and August, with an average of 10.3h of sunshine, are months with the most sunshine.UV index
July and August, with an average maximum UV index of 6, are months with the highest UV index in North Chicago, Illinois. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The daily high UV index of 6 in August translates into this advice:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
North Chicago, IL
- Average high temperature in August: 78.6°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in August: 64.4°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (17.2°F).
Average pressure in August
North Chicago, IL
- Average pressure in August: 29.98"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in August
North Chicago, 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
North Chicago, IL
- Average humidity in August: 77%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in August
North Chicago, IL
- Average rainfall in August: 2.52"
The wettest month (with the highest rainfall) is June (2.56").
The driest month (with the least rainfall) is December (0.87").
Average rainfall days in August
North Chicago, IL
- Average rainfall days in August: 16.5 days
The month with the highest number of rainy days is July (17.5 days).
The month with the least rainy days is February (4.4 days).
Average snowfall in August
North Chicago, IL
- Average snowfall in August: 0"
The month with the highest snowfall is January (3.07").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
North Chicago, IL
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (13.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
North Chicago, 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 6min).
- Average sunshine in August: 10h and 18min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The months with the least sunshine are January and February (Average sunshine: 3h and 48min).
Average sunshine days in August
North Chicago, IL
- Average sunshine days in August: 11.6 days
The month with the most sunshine days is November (17 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in August
North Chicago, IL
- Average UV index in August: 6
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in August
North Chicago, IL
- Average cloud cover in August: 28
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in August
North Chicago, 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).
