July weather forecastWilbern, IL
July
Weather in July
July, like June, in Wilbern, Illinois, is another warm summer month, with an average temperature ranging between max 81°F (27.2°C) and min 64.6°F (18.1°C).Temperature
July, on average, is the warmest month, registering a high temperature of 81°F (27.2°C) and a low of 64.6°F (18.1°C).Heat index
In July, the heat index is evaluated at a tropical 87.8°F (31°C). If one continues to be active during enduring exposure, it could result in fatigue and heat cramps.Be aware that heat index ratings are designed for shaded locations and minor breezes. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', binds temperature metrics with humidity values to give a sense of the actual warmth. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are extremely significant for children. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
Humidity
With an average relative humidity of 85%, July is the most humid month.Rainfall
In Wilbern, in July, it is raining for 17.1 days, with typically 2.83" (72mm) of accumulated precipitation. In Wilbern, during the entire year, the rain falls for 148.8 days and collects up to 30.94" (786mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in July is 14h and 46min.On the first day of July, sunrise is at 5:29 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 8:14 pm CDT.
Sunshine
The average sunshine in July is 9.6h.UV index
With an average maximum UV index of 6, July is the month with the highest UV index in Wilbern. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 6 during July translates into the following directions:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Wilbern, 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 (29.7°F).
- Average low temperature in July: 64.6°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).
Average pressure in July
Wilbern, IL
- Average pressure in July: 29.97"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in July
Wilbern, IL
- Average wind speed in July: 6.6mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in July
Wilbern, IL
- Average humidity in July: 85%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (72%).
Average rainfall in July
Wilbern, IL
- Average rainfall in July: 2.83"
The wettest month (with the highest rainfall) is May (4.57").
The driest month (with the least rainfall) is January (1.57").
Average rainfall days in July
Wilbern, IL
- Average rainfall days in July: 17.1 days
The month with the highest number of rainy days is May (19.1 days).
The month with the least rainy days is February (5.5 days).
Average snowfall in July
Wilbern, IL
- Average snowfall in July: 0"
The month with the highest snowfall is February (3.62").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in July
Wilbern, IL
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (10.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Wilbern, IL
- Average daylight in July: 14h and 48min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in July: 9h and 36min
The month with the most sunshine is June (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in July
Wilbern, IL
- Average sunshine days in July: 10.1 days
The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is May (9.8 days).
Average UV index in July
Wilbern, IL
- Average UV index in July: 6
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in July
Wilbern, IL
- Average cloud cover in July: 34
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 32).
Average visibility in July
Wilbern, IL
- Average visibility in July: 5mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).





