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
July registers as the month with the highest average temperatures, reaching 85.8°F (29.9°C) at its peak and 68.4°F (20.2°C) at the lowest.Heat index
The heat index for July is calculated to be a torrid 98.6°F (37°C). Emphasize additional safety, risk of heat cramps and heat exhaustion is high. Continuous activity might result in heatstroke.Note that heat index values are valued for light wind and location in the shade. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', unifies temperature and humidity readings to offer a comprehensive feel of warmth. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Children typically face more danger than adults as their sweat production is usually lower. Additionally, the bigger skin surface compared to their small size and the increased heat due to their activeness exacerbate the risk.
The body's innate mechanism to counteract overheating is through perspiration, as it leverages the cooling effects of sweat evaporation. An elevated level of relative humidity hinders evaporation, leading to decreased heat elimination from the body, inducing a sensation of excess heat. Heat absorption that surpasses the body's shedding capability can lead to overheating and varying levels of dehydration.
Humidity
The months with the highest humidity in Fairview Heights are May and July, with an average relative humidity of 79%.Rainfall
In Fairview Heights, Illinois, in July, during 16.3 rainfall days, 3.43" (87mm) of precipitation is typically accumulated. In Fairview Heights, during the entire year, the rain falls for 147.1 days and collects up to 35.43" (900mm) of precipitation.Snowfall
In Fairview Heights, snow does not fall in April through October.Daylight
In July, the average length of the day in Fairview Heights, Illinois, is 14h and 33min.On the first day of July, sunrise is at 5:39 am and sunset at 8:28 pm. On the last day of the month, sunrise is at 6:01 am and sunset at 8:11 pm CDT.
Sunshine
In Fairview Heights, the average sunshine in July is 10.1h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index in Fairview Heights, Illinois. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The daily maximum UV index of 6 in July interprets into the following advice:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Frequently asked questions
What are the warmest months in Fairview Heights?
Is it hot in Fairview Heights during July?
What is the most humid month in Fairview Heights?
What is the average humidity in July in Fairview Heights?
How many days does it rain in July in Fairview Heights?
When it does not snow in Fairview Heights?
How many hours of daylight does Fairview Heights have in July?
When is the sunrise / sunset in July in Fairview Heights?
How long on average sun shines in July in Fairview Heights?
When is the highest UV index in Fairview Heights?
What is the UV index intensity in July in Fairview Heights?
Average temperature in July
Fairview Heights, IL
- Average high temperature in July: 85.8°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in July: 68.4°F
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).
Average pressure in July
Fairview Heights, IL
- Average pressure in July: 29.97"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in July
Fairview Heights, IL
- Average wind speed in July: 5.6mph
The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is July (5.6mph).
Average humidity in July
Fairview Heights, IL
- Average humidity in July: 79%
The months with the highest relative humidity are May and July (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall in July
Fairview Heights, IL
- Average rainfall in July: 3.43"
The wettest month (with the highest rainfall) is May (4.37").
The driest month (with the least rainfall) is February (1.93").
Average rainfall days in July
Fairview Heights, IL
- Average rainfall days in July: 16.3 days
The month with the highest number of rainy days is May (16.4 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in July
Fairview Heights, IL
- Average snowfall in July: 0"
The month with the highest snowfall is January (2.4").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in July
Fairview Heights, IL
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (7.3 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in July /
Average sunshine in July
Fairview Heights, IL
- Average daylight in July: 14h and 3min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in July: 10h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in July
Fairview Heights, IL
- Average sunshine days in July: 12.8 days
The month with the most sunshine days is October (18.3 days).
The month with the least sunshine days is May (12.3 days).
Average UV index in July
Fairview Heights, IL
- Average UV index in July: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in July
Fairview Heights, IL
- Average cloud cover in July: 30
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in July
Fairview Heights, 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).
Fairview Heights, Illinois, USA
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