Contents
- Weather in July
- Frequently asked questions
- Average temperature in July
- Average pressure in July
- Average wind speed in July
- Average humidity in July
- Average rainfall in July
- Average rainfall days in July
- Average snowfall in July
- Average snowfall days in July
- Average daylight in July
- Average sunshine in July
- Average sunshine days in July
- Average UV index in July
- Average cloud cover in July
- Average visibility in July
Weather in July
Temperature
Downers Grove's warmest month, July, generally records average temperatures ranging from a high of 80.1°F (26.7°C) to a low of 63.3°F (17.4°C).Humidity
In July, the average relative humidity is 85%.Rainfall
In Downers Grove, in July, during 15.8 rainfall days, 2.83" (72mm) of precipitation is typically accumulated. In Downers Grove, during the entire year, the rain falls for 142.5 days and collects up to 28.27" (718mm) of precipitation.Snowfall
In Downers Grove, snow does not fall in May through September.Daylight
The average length of the day in July in Downers Grove is 14h and 54min.On the first day of the month, sunrise is at 5:32 am and sunset at 8:45 pm. On the last day of July, in Downers Grove, Iowa, sunrise is at 5:57 am and sunset at 8:25 pm CDT.
Sunshine
The months with the most sunshine are July and August, with an average of 9.9h of sunshine.UV index
The months with the highest UV index are June and July, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 6 in July interprets into the following recommendations:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Frequently asked questions
What is the warmest month in Downers Grove?
What are July temperatures in Downers Grove?
What is the average humidity in July in Downers Grove?
How many days does it rain in July in Downers Grove?
When it does not snow in Downers Grove?
What is the average length of the day in July in Downers Grove?
When are sunrise and sunset in July in Downers Grove?
What are the months with the most sunshine in Downers Grove?
How long on average sun shines in July in Downers Grove?
What are the months with the highest UV index in Downers Grove?
How high is the UV index in July in Downers Grove?
Average temperature in July
Downers Grove, IA
- Average high temperature in July: 80.1°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (25.2°F).
- Average low temperature in July: 63.3°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (13.3°F).
Average pressure in July
Downers Grove, IA
- Average pressure in July: 29.96"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in July
Downers Grove, IA
- Average wind speed in July: 7mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).
Average humidity in July
Downers Grove, IA
- Average humidity in July: 85%
The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is October (74%).
Average rainfall in July
Downers Grove, IA
- Average rainfall in July: 2.83"
The wettest month (with the highest rainfall) is May (4.25").
The driest months (with the least rainfall) are January and February (1.26").
Average rainfall days in July
Downers Grove, IA
- Average rainfall days in July: 15.8 days
The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is January (5.2 days).
Average snowfall in July
Downers Grove, IA
- Average snowfall in July: 0"
The month with the highest snowfall is January (5.04").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in July
Downers Grove, IA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (12.1 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
Downers Grove, IA
- Average daylight in July: 14h and 5min
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: 9h and 5min
The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in July
Downers Grove, IA
- Average sunshine days in July: 12.3 days
The month with the most sunshine days is September (17 days).
The month with the least sunshine days is June (10.5 days).
Average UV index in July
Downers Grove, IA
- 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
Downers Grove, IA
- 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 August (Cloud cover 30).
Average visibility in July
Downers Grove, IA
- Average visibility in July: 5mi
The months with the highest visibility are February, March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January and July (5mi).
Downers Grove, Iowa, USA
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