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
During the warmest month, July, temperatures average a high of 81°F (27.2°C) and a low of 65.8°F (18.8°C).Heat index
In July, the average heat index is calculated to be a tropical 86°F (30°C). If exposure and activity persist, fatigue could ensue, possibly leading to heat cramps.Heat index determinations are made taking into account the shade and light air movements. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', evaluates the perceived heat by adding the effect of moisture in the air. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. In general, younger individuals are at greater risk than adults because they tend to sweat less. Also, having a larger skin surface to body size ratio and greater heat production due to their active behavior contribute to this danger.
Humidity
In July, the average relative humidity is 77%.Rainfall
In Wheeling, in July, it is raining for 17.3 days, with typically 2.95" (75mm) of accumulated precipitation. In Wheeling, during the entire year, the rain falls for 154.2 days and collects up to 28.94" (735mm) of precipitation.Snowfall
June through September are months without snowfall in Wheeling.Daylight
The average length of the day in July is 14h and 53min.On the first day of July, sunrise is at 5:19 am and sunset at 8:31 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:11 pm CDT.
Sunshine
In July, the average sunshine is 10.2h.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index of 6 during July leads to these instructions:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Frequently asked questions
What time of the year is the hottest in Wheeling?
What is the usual temperature for Wheeling in July?
What is the average humidity in July in Wheeling?
How many days does it rain in July in Wheeling?
When it does not snow in Wheeling?
What is the average length of the day in July in Wheeling?
When are sunrise and sunset in July in Wheeling?
How long on average sun shines in July in Wheeling?
What are the months with the highest UV index in Wheeling?
What is the UV index reading in July in Wheeling?
Average temperature in July
Wheeling, IL
- Average high temperature in July: 81°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (28°F).
- Average low temperature in July: 65.8°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (17.6°F).
Average pressure in July
Wheeling, 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
Wheeling, IL
- Average wind speed in July: 6.7mph
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 July
Wheeling, IL
- Average humidity in July: 77%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is October (73%).
Average rainfall in July
Wheeling, IL
- Average rainfall in July: 2.95"
The wettest month (with the highest rainfall) is May (3.66").
The driest month (with the least rainfall) is December (1.34").
Average rainfall days in July
Wheeling, IL
- Average rainfall days in July: 17.3 days
The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is February (5.9 days).
Average snowfall in July
Wheeling, IL
- Average snowfall in July: 0"
The month with the highest snowfall is January (4.8").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in July
Wheeling, IL
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Wheeling, 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 12min).
- Average sunshine in July: 10h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in July
Wheeling, IL
- Average sunshine days in July: 11.6 days
The month with the most sunshine days is November (15.7 days).
The month with the least sunshine days is April (10.3 days).
Average UV index in July
Wheeling, IL
- Average UV index in July: 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 July
Wheeling, IL
- Average cloud cover in July: 30
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 July
Wheeling, IL
- Average visibility in July: 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).
Wheeling, Illinois, USA
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