July weather forecastMendota, IL
July
Weather in July
July, the same as June, is a moderately hot summer month in Mendota, Illinois, with an average temperature ranging between min 64.2°F (17.9°C) and max 80.6°F (27°C).Temperature
July is the warmest month, exhibiting average temperatures of 80.6°F (27°C) at the peak and 64.2°F (17.9°C) at the base.Heat index
The heat index in July is appraised at a tropical 86°F (30°C). Continued exposure and engagement in activity might trigger tiredness and subsequently heat cramps.Given the heat index, its values are aligned with shaded sites and gentle winds. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a metric representing the sensation of warmth when air temperature and moisture come together. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.
Humidity
With an average relative humidity of 85%, July is the most humid month in Mendota, Illinois.Rainfall
In Mendota, during July, the rain falls for 13.1 days and regularly aggregates up to 1.02" (26mm) of precipitation. In Mendota, during the entire year, the rain falls for 107.9 days and collects up to 9.96" (253mm) of precipitation.Snowfall
May through September are months without snowfall in Mendota.Daylight
In July, the average length of the day in Mendota, Illinois, is 14h and 50min.On the first day of July in Mendota, Illinois, sunrise is at 5:26 am and sunset at 8:34 pm. On the last day of the month, sunrise is at 5:50 am and sunset at 8:14 pm CDT.
Sunshine
The months with the most sunshine are June through August, with an average of 9.5h of sunshine.UV index
June and July, with an average maximum UV index of 6, are months with the highest UV index in Mendota, Illinois. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index, 6 during July, leads to the following recommendations:
Deter overexposure. Protecting against the sun's effects is essential. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Mendota, 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 (28.6°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 (16.7°F).
Average pressure in July
Mendota, IL
- Average pressure in July: 29.97"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in July
Mendota, IL
- Average wind speed in July: 6.5mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in July
Mendota, 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 (73%).
Average rainfall in July
Mendota, IL
- Average rainfall in July: 1.02"
The wettest month (with the highest rainfall) is May (1.42").
The driest months (with the least rainfall) are January, February, November and December (0.51").
Average rainfall days in July
Mendota, IL
- Average rainfall days in July: 13.1 days
The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is January (3.6 days).
Average snowfall in July
Mendota, IL
- Average snowfall in July: 0"
The month with the highest snowfall is January (0.98").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in July
Mendota, IL
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (8.6 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
Mendota, 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 12min).
- Average sunshine in July: 9h and 30min
The months with the most sunshine are June, July and August (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in July
Mendota, IL
- Average sunshine days in July: 13.3 days
The month with the most sunshine days is December (21.8 days).
The month with the least sunshine days is July (13.3 days).
Average UV index in July
Mendota, IL
- Average UV index in July: 6
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in July
Mendota, IL
- Average cloud cover in July: 36
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 33).
Average visibility in July
Mendota, 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).





