July weather forecastMettawa, IL
July
Weather in July
July, the same as June, is another warm summer month in Mettawa, Illinois, with temperature in the range of an average high of 80.4°F (26.9°C) and an average low of 64.9°F (18.3°C).Temperature
July, with an average high of 80.4°F (26.9°C) and a low of 64.9°F (18.3°C), signifies the warmest month of the year.Humidity
In Mettawa, Illinois, the average relative humidity in July is 78%.Rainfall
In Mettawa, in July, during 17.2 rainfall days, 2.91" (74mm) of precipitation is typically accumulated. Throughout the year, there are 147.3 rainfall days, and 27.44" (697mm) of precipitation is accumulated.Snowfall
In Mettawa, snow does not fall in June through September.Daylight
In July, the average length of the day is 14h and 54min.On the first day of the month, sunrise is at 5:19 am and sunset at 8:31 pm. On the last day of July, in Mettawa, sunrise is at 5:44 am and sunset at 8:11 pm CDT.
Sunshine
The months with the most sunshine are July and August, with an average of 10.1h of sunshine.UV index
The months with the highest UV index are July and August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: An average maximum UV index of 6 in July leads to these recommendations:
Deflect overexposure. Sun protection is a necessity. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Mettawa, IL
- Average high temperature in July: 80.4°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in July: 64.9°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).
Average pressure in July
Mettawa, IL
- Average pressure in July: 29.97"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in July
Mettawa, IL
- Average wind speed in July: 6.6mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in July
Mettawa, IL
- Average humidity in July: 78%
The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in July
Mettawa, IL
- Average rainfall in July: 2.91"
The wettest month (with the highest rainfall) is June (3.54").
The driest months (with the least rainfall) are November and December (1.3").
Average rainfall days in July
Mettawa, IL
- Average rainfall days in July: 17.2 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in July
Mettawa, IL
- Average snowfall in July: 0"
The month with the highest snowfall is February (5.55").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in July
Mettawa, IL
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (12.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Mettawa, IL
- Average daylight in July: 14h and 54min
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 6min
The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in July
Mettawa, IL
- Average sunshine days in July: 10.9 days
The month with the most sunshine days is November (16.6 days).
The month with the least sunshine days is June (10 days).
Average UV index in July
Mettawa, IL
- Average UV index in July: 6
The months with the highest UV index are July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in July
Mettawa, IL
- Average cloud cover in July: 30
The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are July and August (Cloud cover 30).
Average visibility in July
Mettawa, IL
- Average visibility in July: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
