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
July is the warmest month, with an average high-temperature of 80.1°F (26.7°C) and an average low-temperature of 66.9°F (19.4°C).Humidity
In July, the average relative humidity is 78%.Rainfall
In July, in South Holland, the rain falls for 14 days. Throughout July, 1.18" (30mm) of precipitation is accumulated. Throughout the year, there are 110.3 rainfall days, and 10.31" (262mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall in South Holland.Daylight
The average length of the day in July is 14h and 50min.On the first day of July, sunrise is at 5:20 am and sunset at 8:28 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:08 pm CDT.
Sunshine
In South Holland, the average sunshine in July is 10.2h.UV index
The months with the highest UV index in South Holland are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for average individuals.Note: A daily maximum UV index of 6 in July translates into the following instructions:
Resist extreme sun exposure. Guarding against solar damage is essential. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Frequently asked questions
What are the warmest months in South Holland?
What are the temperatures in South Holland in July?
What is the average humidity in July in South Holland?
How many days does it rain in July in South Holland?
When it does not snow in South Holland?
What is the average length of the day in July in South Holland?
What time are sunrise and sunset in July in South Holland?
How many hours of sunshine does South Holland have in July?
What is the month with the highest UV index in South Holland?
What is the UV index reading in July in South Holland?
Average temperature in July
South Holland, IL
- 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 (29.8°F).
- Average low temperature in July: 66.9°F
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).
Average pressure in July
South Holland, IL
- Average pressure in July: 29.97"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in July
South Holland, IL
- Average wind speed in July: 6.8mph
The windiest month (with the highest average wind speed) is January (11mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in July
South Holland, IL
- Average humidity in July: 78%
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (72%).
Average rainfall in July
South Holland, IL
- Average rainfall in July: 1.18"
The wettest months (with the highest rainfall) are May and June (1.38").
The driest months (with the least rainfall) are February and December (0.47").
Average rainfall days in July
South Holland, IL
- Average rainfall days in July: 14 days
The month with the highest number of rainy days is July (14 days).
The month with the least rainy days is February (4.1 days).
Average snowfall in July
South Holland, IL
- Average snowfall in July: 0"
The month with the highest snowfall is January (1.1").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in July
South Holland, IL
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (9.3 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
South Holland, IL
- Average daylight in July: 14h and 5min
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: 10h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in July
South Holland, IL
- Average sunshine days in July: 13.4 days
The month with the most sunshine days is December (19.8 days).
The month with the least sunshine days is June (13.1 days).
Average UV index in July
South Holland, IL
- Average UV index in July: 6
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in July
South Holland, IL
- Average cloud cover in July: 30
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in July
South Holland, IL
- Average visibility in July: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
South Holland, Illinois, USA
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