August weather forecastGlencoe, IL
August
Weather in August
The last month of the summer, August, is another warm month in Glencoe, Illinois, with temperature in the range of an average high of 78.1°F (25.6°C) and an average low of 66.9°F (19.4°C).Temperature
Glencoe's weather in August indicates an average high-temperature of a still moderately hot 78.1°F (25.6°C), nearly consistent with the 79.2°F (26.2°C) of July. Throughout the month of August, Glencoe reports a steady low-temperature average of 66.9°F (19.4°C).Humidity
In Glencoe, the average relative humidity in August is 75%.Rainfall
In August, in Glencoe, the rain falls for 17.7 days. Throughout August, 3.7" (94mm) of precipitation is accumulated. In Glencoe, during the entire year, the rain falls for 164.7 days and collects up to 35.28" (896mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In August, the average length of the day in Glencoe is 13h and 50min.On the first day of August, sunrise is at 5:44 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 6:16 am and sunset at 7:25 pm CDT.
Sunshine
July and August, with an average of 10.4h of sunshine, are months with the most sunshine in Glencoe.UV index
The months with the highest UV index in Glencoe are June through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the average person.Note: In August, a daily maximum UV index of 6 leads to the following instructions:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Glencoe, IL
- Average high temperature in August: 78.1°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in August: 66.9°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in August
Glencoe, 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 (29.92"Hg).
Average wind speed in August
Glencoe, IL
- Average wind speed in August: 7.1mph
The windiest month (with the highest average wind speed) is January (11.5mph).
The calmest month (with the lowest average wind speed) is August (7.1mph).
Average humidity in August
Glencoe, IL
- Average humidity in August: 75%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is October (73%).
Average rainfall in August
Glencoe, IL
- Average rainfall in August: 3.7"
The wettest months (with the highest rainfall) are May and June (4.57").
The driest month (with the least rainfall) is December (1.65").
Average rainfall days in August
Glencoe, IL
- Average rainfall days in August: 17.7 days
The month with the highest number of rainy days is May (19.1 days).
The month with the least rainy days is February (6.1 days).
Average snowfall in August
Glencoe, IL
- Average snowfall in August: 0"
The month with the highest snowfall is January (4.84").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Glencoe, IL
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (13.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Glencoe, 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: 10h and 24min
The months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in August
Glencoe, IL
- Average sunshine days in August: 10.5 days
The month with the most sunshine days is November (15.5 days).
The month with the least sunshine days is June (9.2 days).
Average UV index in August
Glencoe, IL
- Average UV index in August: 6
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in August
Glencoe, IL
- Average cloud cover in August: 28
The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in August
Glencoe, 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).
