Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
Mount Prospect experiences a minor change to a still moderately hot 79.7°F (26.5°C) in average high-temperature during August, closely reflecting July. Mount Prospect, during August nights, observes an average temperature of 65.5°F (18.6°C).Humidity
In August, the average relative humidity is 74%.Rainfall
In Mount Prospect, in August, during 15.7 rainfall days, 2.87" (73mm) of precipitation is typically accumulated. Throughout the year, in Mount Prospect, Illinois, there are 153.3 rainfall days, and 30.12" (765mm) of precipitation is accumulated.Snowfall
In Mount Prospect, snow does not fall in June through September.Daylight
In Mount Prospect, the average length of the day in August is 13h and 50min.On the first day of the month, sunrise is at 5:45 am and sunset at 8:10 pm. On the last day of August, in Mount Prospect, sunrise is at 6:17 am and sunset at 7:26 pm CDT.
Sunshine
In August, the average sunshine is 10.1h.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index in Mount Prospect. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 6 during August translates into the following guidance:
Deter overexposure. Protecting against the sun's effects is essential. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Frequently asked questions
What is the usual temperature for Mount Prospect in August?
What is the average humidity in August in Mount Prospect?
How many days does it rain in August in Mount Prospect?
When it does not snow in Mount Prospect?
What is the average length of the day in August in Mount Prospect?
What time are sunrise and sunset in August in Mount Prospect?
How long on average sun shines in August in Mount Prospect?
What is the month with the highest UV index in Mount Prospect?
What is the UV index intensity in August in Mount Prospect?
Average temperature in August
Mount Prospect, IL
- Average high temperature in August: 79.7°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (28.2°F).
- Average low temperature in August: 65.5°F
The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in August
Mount Prospect, 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
Mount Prospect, IL
- Average wind speed in August: 6.5mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in August
Mount Prospect, IL
- Average humidity in August: 74%
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (72%).
Average rainfall in August
Mount Prospect, IL
- Average rainfall in August: 2.87"
The wettest month (with the highest rainfall) is May (3.9").
The driest month (with the least rainfall) is December (1.46").
Average rainfall days in August
Mount Prospect, IL
- Average rainfall days in August: 15.7 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is February (5.6 days).
Average snowfall in August
Mount Prospect, IL
- Average snowfall in August: 0"
The month with the highest snowfall is January (4.96").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Mount Prospect, IL
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Mount Prospect, IL
- Average daylight in August: 13h and 5min
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 1min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in August
Mount Prospect, IL
- Average sunshine days in August: 12.4 days
The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is June (10.7 days).
Average UV index in August
Mount Prospect, 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
Mount Prospect, IL
- Average cloud cover in August: 29
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in August
Mount Prospect, 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).
Mount Prospect, Illinois, USA
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