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
Rock City's warmest temperatures are experienced in July, with average high temperatures of 79.7°F (26.5°C) and lows of 62.8°F (17.1°C).Humidity
In July, the average relative humidity is 85%.Rainfall
In July, the rain falls for 16.3 days. Throughout July, 2.2" (56mm) of precipitation is accumulated. Throughout the year, there are 138 rainfall days, and 19.69" (500mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall in Rock City.Daylight
In Rock City, the average length of the day in July is 14h and 55min.On the first day of the month, sunrise is at 5:25 am and sunset at 8:38 pm. On the last day of July, sunrise is at 5:50 am and sunset at 8:18 pm CDT.
Sunshine
July and August, with an average of 9.7h of sunshine, are months with the most sunshine.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 5 during July translates into the following recommendations:
Take precautions - Protection against sunburn is recommended. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the hottest?
What is the average July temperature?
What is the average humidity in July?
How many days does it rain in July?
When it does not snow?
What is the average length of the day in July?
When are sunrise and sunset in July?
What is the month with the most sunshine?
How long on average sun shines in July?
What are the months with the highest UV index in Rock City?
How high is the UV index in July?
Average temperature in July
Rock City, IL
- Average high temperature in July: 79.7°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (25.2°F).
- Average low temperature in July: 62.8°F
The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (13.1°F).
Average pressure in July
Rock City, IL
- Average pressure in July: 29.96"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
Rock City, IL
- Average wind speed in July: 6.6mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in July
Rock City, IL
- Average humidity in July: 85%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (75%).
Average rainfall in July
Rock City, IL
- Average rainfall in July: 2.2"
The wettest month (with the highest rainfall) is June (2.87").
The driest month (with the least rainfall) is December (0.83").
Average rainfall days in July
Rock City, IL
- Average rainfall days in July: 16.3 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (4.9 days).
Average snowfall in July
Rock City, IL
- Average snowfall in July: 0"
The month with the highest snowfall is January (2.99").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in July
Rock City, IL
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (11.3 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
Rock City, IL
- 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 6min).
- Average sunshine in July: 9h and 4min
The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in July
Rock City, IL
- Average sunshine days in July: 10.7 days
The month with the most sunshine days is November (17.7 days).
The month with the least sunshine days is June (10.5 days).
Average UV index in July
Rock City, IL
- Average UV index in July: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in July
Rock City, IL
- Average cloud cover in July: 35
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is September (Cloud cover 32).
Average visibility in July
Rock City, IL
- Average visibility in July: 5mi
The months with the highest visibility are March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, February, July and August (5mi).
Rock City, Illinois, USA
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