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
In McHenry, the average high-temperature in August is almost the same as in July - a still warm 78.1°F (25.6°C). In August, the average low-temperature is 61.3°F (16.3°C).Humidity
In August, the average relative humidity is 82%.Rainfall
In McHenry, in August, during 16.1 rainfall days, 2.56" (65mm) of precipitation is typically accumulated. In McHenry, during the entire year, the rain falls for 152.4 days and collects up to 28.07" (713mm) of precipitation.Snowfall
In McHenry, snow does not fall in June through September.Daylight
The average length of the day in August is 13h and 50min.On the first day of August in McHenry, sunrise is at 5:45 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 6:17 am and sunset at 7:29 pm CDT.
Sunshine
July and August, with an average of 10h of sunshine, are months with the most sunshine.UV index
The month with the highest UV index is August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The average daily UV index of 6 in August transform into the following instructions:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
FAQ
What is the temperature in August in McHenry?
What is the average humidity in August in McHenry?
How many days does it rain in August in McHenry?
When it does not snow in McHenry?
What is the average length of the day in August in McHenry?
When is the sunrise / sunset in August in McHenry?
What is the month with the most sunshine in McHenry?
How long on average sun shines in August in McHenry?
When is the highest UV index in McHenry?
How high is the UV index in August in McHenry?
Average temperature in August
McHenry, 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
McHenry, 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
McHenry, 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
McHenry, 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
McHenry, 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
McHenry, 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
McHenry, 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
McHenry, 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
McHenry, IL
- Average daylight in August: 13h and 50min
The month with the longest days is June (Average daylight: 15h and 14min).
The month with the shortest days is December (Average daylight: 9h and 8min).
- 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
McHenry, 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
McHenry, 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
McHenry, 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
McHenry, 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).
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