July weather forecastGrandwood Park, IL
July
Weather in July
July, the same as June, is another warm summer month in Grandwood Park, Illinois, with temperature in the range of an average low of 64.4°F (18°C) and an average high of 79.9°F (26.6°C).Temperature
July registers as the month with the highest average temperatures, reaching 79.9°F (26.6°C) at its peak and 64.4°F (18°C) at the lowest.Humidity
In July, the average relative humidity is 80%.Rainfall
In July, the rain falls for 17.5 days. Throughout July, 2.48" (63mm) of precipitation is accumulated. In Grandwood Park, during the entire year, the rain falls for 142.3 days and collects up to 21.97" (558mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Grandwood Park, the average length of the day in July is 14h and 55min.On the first day of July, sunrise is at 5:19 am and sunset at 8:32 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:12 pm CDT.
Sunshine
In July, the average sunshine is 10.1h.UV index
The months with the highest UV index are July and August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 6 during July leads to these instructions:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Grandwood Park, IL
- Average high temperature in July: 79.9°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (27.5°F).
- Average low temperature in July: 64.4°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).
Average pressure in July
Grandwood Park, IL
- Average pressure in July: 29.97"Hg
The months with the highest atmospheric pressure are January and February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in July
Grandwood Park, IL
- Average wind speed in July: 6.6mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in July
Grandwood Park, IL
- Average humidity in July: 80%
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
Grandwood Park, IL
- Average rainfall in July: 2.48"
The wettest month (with the highest rainfall) is April (2.72").
The driest month (with the least rainfall) is December (0.98").
Average rainfall days in July
Grandwood Park, IL
- Average rainfall days in July: 17.5 days
The month with the highest number of rainy days is July (17.5 days).
The month with the least rainy days is February (5 days).
Average snowfall in July
Grandwood Park, IL
- Average snowfall in July: 0"
The month with the highest snowfall is January (3.58").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in July
Grandwood Park, IL
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (13.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Grandwood Park, 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 6min).
- Average sunshine in July: 10h and 6min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in July
Grandwood Park, IL
- Average sunshine days in July: 11.1 days
The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in July
Grandwood Park, IL
- Average UV index in July: 6
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in July
Grandwood Park, 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, August and September (Cloud cover 30).
Average visibility in July
Grandwood Park, IL
- Average visibility in July: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
