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
The beginning of August reveals an average high-temperature of a still warm 78.1°F (25.6°C), showing minimal deviation from the previous month. Throughout August, an average low-temperature of 61.3°F (16.3°C) is experienced in McCullom Lake.Humidity
In McCullom Lake, the average relative humidity in August is 82%.Rainfall
In McCullom Lake, during August, the rain falls for 16.1 days and regularly aggregates up to 2.56" (65mm) of precipitation. Throughout the year, there are 152.4 rainfall days, and 28.07" (713mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall in McCullom Lake.Daylight
The average length of the day in August is 13h and 50min.On the first day of August, sunrise is at 5:46 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 6:18 am and sunset at 7:28 pm CDT.
Sunshine
July and August, with an average of 10h of sunshine, are months with the most sunshine in McCullom Lake.UV index
August is the month with the highest UV index in McCullom Lake, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the ordinary person.Note: In August, the maximum UV index of 6 transforms into these recommendations:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in August in McCullom Lake?
What is the average humidity in August in McCullom Lake?
How much does it rain in McCullom Lake in August?
When it does not snow in McCullom Lake?
What is the average length of the day in August in McCullom Lake?
What time are sunrise and sunset in August in McCullom Lake?
What are the months with the most sunshine in McCullom Lake?
How long on average sun shines in August in McCullom Lake?
When is the highest UV index in McCullom Lake?
What is the UV index reading in August in McCullom Lake?
Average temperature in August
McCullom Lake, IL
- Average high temperature in August: 78.1°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (26.6°F).
- Average low temperature in August: 61.3°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (14.9°F).
Average pressure in August
McCullom Lake, IL
- Average pressure in August: 29.97"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
McCullom Lake, IL
- Average wind speed in August: 6.2mph
The windiest month (with the highest average wind speed) is January (10mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in August
McCullom Lake, IL
- Average humidity in August: 82%
The months with the highest relative humidity are January and February (85%).
The month with the lowest relative humidity is October (76%).
Average rainfall in August
McCullom Lake, IL
- Average rainfall in August: 2.56"
The wettest month (with the highest rainfall) is June (3.58").
The driest month (with the least rainfall) is December (1.34").
Average rainfall days in August
McCullom Lake, IL
- Average rainfall days in August: 16.1 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is February (4.9 days).
Average snowfall in August
McCullom Lake, IL
- Average snowfall in August: 0"
The month with the highest snowfall is January (5.16").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
McCullom Lake, IL
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
McCullom Lake, 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 6min).
- Average sunshine in August: 10h and 0min
The months with the most sunshine are July and August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in August
McCullom Lake, IL
- Average sunshine days in August: 12.4 days
The month with the most sunshine days is November (16 days).
The month with the least sunshine days is June (10.2 days).
Average UV index in August
McCullom Lake, IL
- Average UV index in August: 6
The month with the highest UV index is August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in August
McCullom Lake, IL
- Average cloud cover in August: 31
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 31).
Average visibility in August
McCullom Lake, IL
- Average visibility in August: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
McCullom Lake, Illinois, USA
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