Contents
- Weather in July
- Frequently asked questions
- Average temperature in July
- Average pressure in July
- Average wind speed in July
- Average humidity in July
- Average rainfall in July
- Average rainfall days in July
- Average snowfall in July
- Average snowfall days in July
- Average daylight in July
- Average sunshine in July
- Average sunshine days in July
- Average UV index in July
- Average cloud cover in July
- Average visibility in July
Weather in July
Temperature
In McHenry, the peak average temperatures are observed in July, with a high of 79.7°F (26.5°C) and a low of 63.1°F (17.3°C).Humidity
In July, the average relative humidity in McHenry is 83%.Rainfall
In July, in McHenry, the rain falls for 18.3 days. Throughout July, 2.87" (73mm) of precipitation is accumulated. In McHenry, during the entire year, the rain falls for 152.4 days and collects up to 28.07" (713mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In July, the average length of the day in McHenry is 14h and 55min.On the first day of the month, sunrise is at 5:20 am and sunset at 8:33 pm. On the last day of July, in McHenry, Illinois, sunrise is at 5:45 am and sunset at 8:13 pm CDT.
Sunshine
The months with the most sunshine are July and August, with an average of 10h of sunshine.UV index
In McHenry, the average daily maximum UV index in July is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 5 in July translates into these instructions:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the warmest month in McHenry?
What is the average July temperature in McHenry?
What is the average humidity in July in McHenry?
How much does it rain in McHenry in July?
When it does not snow in McHenry?
What is the average length of the day in July in McHenry?
What time are sunrise and sunset in July in McHenry?
What are the months with the most sunshine in McHenry?
How long on average sun shines in July in McHenry?
What is the UV index intensity in July in McHenry?
Average temperature in July
McHenry, IL
- Average high temperature in July: 79.7°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 July: 63.1°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 July
McHenry, IL
- Average pressure in July: 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 July
McHenry, IL
- Average wind speed in July: 6.4mph
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 July
McHenry, IL
- Average humidity in July: 83%
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 July
McHenry, IL
- Average rainfall in July: 2.87"
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 July
McHenry, IL
- Average rainfall days in July: 18.3 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 July
McHenry, IL
- Average snowfall in July: 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 July
McHenry, IL
- Average snowfall days in July: 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 July /
Average sunshine in July
McHenry, IL
- Average daylight in July: 14h 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 July: 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 July
McHenry, IL
- Average sunshine days in July: 10.9 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 July
McHenry, IL
- Average UV index in July: 5
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 July
McHenry, IL
- Average cloud cover in July: 32
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 July
McHenry, IL
- Average visibility in July: 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).
McHenry, Illinois, USA
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