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
The warmest time of the year is July, with temperatures averaging a high of 79.9°F (26.6°C) and a low of 63.3°F (17.4°C).Humidity
The average relative humidity in July is 85%.Rainfall
In Shannon, Illinois, during July, the rain falls for 15.4 days and regularly aggregates up to 2.05" (52mm) of precipitation. In Shannon, during the entire year, the rain falls for 130.8 days and collects up to 17.95" (456mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In July, the average length of the day in Shannon is 14h and 53min.On the first day of July in Shannon, sunrise is at 5:27 am and sunset at 8:38 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 8:18 pm CDT.
Sunshine
With an average of 9.8h of sunshine, July has the most sunshine of the year.UV index
July is the month with the highest UV index in Shannon, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index, 6 during July, leads to the following recommendations:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Frequently asked questions
What is the warmest month in Shannon?
What is the average July temperature in Shannon?
What is the average humidity in July in Shannon?
How much does it rain in Shannon in July?
When it does not snow in Shannon?
What is the average length of the day in July in Shannon?
What time are sunrise and sunset in July in Shannon?
What month has the most sunshine in Shannon?
How long on average sun shines in July in Shannon?
When is the highest UV index in Shannon?
How high is the UV index in July in Shannon?
Average temperature in July
Shannon, 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 (25.9°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 (13.5°F).
Average pressure in July
Shannon, 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
Shannon, IL
- Average wind speed in July: 6.6mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in July
Shannon, 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
Shannon, IL
- Average rainfall in July: 2.05"
The wettest month (with the highest rainfall) is May (2.76").
The driest months (with the least rainfall) are January and February (0.71").
Average rainfall days in July
Shannon, IL
- Average rainfall days in July: 15.4 days
The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is February (4.4 days).
Average snowfall in July
Shannon, IL
- Average snowfall in July: 0"
The month with the highest snowfall is January (2.64").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in July
Shannon, IL
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (11.2 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
Shannon, 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 12min).
- Average sunshine in July: 9h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in July
Shannon, IL
- Average sunshine days in July: 12.7 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is June (10 days).
Average UV index in July
Shannon, IL
- Average UV index in July: 6
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in July
Shannon, IL
- Average cloud cover in July: 35
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 32).
Average visibility in July
Shannon, IL
- Average visibility in July: 5mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
Shannon, Illinois, USA
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