July weather forecastTiskilwa, IL
July
Weather in July
July, like June, in Tiskilwa, Illinois, is another warm summer month, with an average temperature ranging between min 64.2°F (17.9°C) and max 80.6°F (27°C).Temperature
July, known for its average high temperature of 80.6°F (27°C) and an average low temperature of 64.2°F (17.9°C), is the warmest month.Heat index
July's average heat index is estimated at a tropical 86°F (30°C). If one sustains activity during exposure, it could lead to a sense of fatigue, with a chance of heat cramps.Take into consideration that the heat index values are calculated for shade and light wind conditions. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'feels like', marries air temperature and humidity to produce a value illustrating perceived warmth. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values hold great significance to children. Kids are generally in more danger than adults because they perspire less. Their large skin surface area compared to their small bodies and the excessive heat due to their actions raises their risk.
Humidity
With an average relative humidity of 85%, July is the most humid month in Tiskilwa.Rainfall
In July, in Tiskilwa, Illinois, the rain falls for 14.3 days. Throughout July, 1.77" (45mm) of precipitation is accumulated. Throughout the year, there are 130 rainfall days, and 17.64" (448mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
In July, the average length of the day in Tiskilwa is 14h and 49min.On the first day of July in Tiskilwa, sunrise is at 5:29 am and sunset at 8:35 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 8:15 pm CDT.
Sunshine
June and July, with an average of 9.7h of sunshine, are months with the most sunshine.UV index
With an average maximum UV index of 6, July is the month with the highest UV index in Tiskilwa, Illinois. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the average person.Note: A daily maximum UV index of 6 in July translates into the following instructions:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Tiskilwa, IL
- Average high temperature in July: 80.6°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in July: 64.2°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).
Average pressure in July
Tiskilwa, 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
Tiskilwa, IL
- Average wind speed in July: 6.6mph
The windiest month (with the highest average wind speed) is April (10.5mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in July
Tiskilwa, 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
Tiskilwa, IL
- Average rainfall in July: 1.77"
The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is January (0.75").
Average rainfall days in July
Tiskilwa, IL
- Average rainfall days in July: 14.3 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is February (4.5 days).
Average snowfall in July
Tiskilwa, IL
- Average snowfall in July: 0"
The month with the highest snowfall is January (2.09").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in July
Tiskilwa, 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 and August (0 days).
Average daylight in July /
Average sunshine in July
Tiskilwa, 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 42min
The months with the most sunshine are June and July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in July
Tiskilwa, IL
- Average sunshine days in July: 12.9 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is June (11.8 days).
Average UV index in July
Tiskilwa, 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
Tiskilwa, IL
- Average cloud cover in July: 34
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is September (Cloud cover 32).
Average visibility in July
Tiskilwa, 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).





