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 Lyons's warmest month, registering average high temperatures of 80.4°F (26.9°C) and lows of 67.1°F (19.5°C).Humidity
The average relative humidity in July in Lyons, Illinois, is 76%.Rainfall
In Lyons, during July, the rain falls for 10.8 days and regularly aggregates up to 0.91" (23mm) of precipitation. Throughout the year, in Lyons, there are 92 rainfall days, and 7.4" (188mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
In July, the average length of the day is 14h and 52min.On the first day of July, sunrise is at 5:20 am and sunset at 8:30 pm. On the last day of the month, sunrise is at 5:45 am and sunset at 8:10 pm CDT.
Sunshine
In July, the average sunshine is 10.4h.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index in Lyons. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for ordinary individuals.Note: A daily maximum UV index of 6 in July translates into the following instructions:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Stay sun-safe with clothing that is both closely woven and worn loosely.
Frequently asked questions
What part of the year is the hottest in Lyons?
What are July temperatures in Lyons?
What is the average humidity in July in Lyons?
How much does it rain in Lyons in July?
When it does not snow in Lyons?
What is the average length of the day in July in Lyons?
When are sunrise and sunset in July in Lyons?
How long on average sun shines in July in Lyons?
When is the highest UV index in Lyons?
How high is the UV index in July in Lyons?
Average temperature in July
Lyons, IL
- Average high temperature in July: 80.4°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (29.1°F).
- Average low temperature in July: 67.1°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).
Average pressure in July
Lyons, 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
Lyons, IL
- Average wind speed in July: 6.9mph
The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).
Average humidity in July
Lyons, IL
- Average humidity in July: 76%
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
Lyons, IL
- Average rainfall in July: 0.91"
The wettest month (with the highest rainfall) is May (1.1").
The driest months (with the least rainfall) are February, March, November and December (0.39").
Average rainfall days in July
Lyons, IL
- Average rainfall days in July: 10.8 days
The month with the highest number of rainy days is June (11.7 days).
The month with the least rainy days is January (3.1 days).
Average snowfall in July
Lyons, IL
- Average snowfall in July: 0"
The month with the highest snowfall is February (1.38").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in July
Lyons, IL
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (7.3 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
Lyons, 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: 10h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in July
Lyons, IL
- Average sunshine days in July: 14.6 days
The month with the most sunshine days is December (23.7 days).
The month with the least sunshine days is June (14.3 days).
Average UV index in July
Lyons, IL
- Average UV index in July: 6
The months with the highest UV index are June, 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
Lyons, IL
- Average cloud cover in July: 28
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in July
Lyons, 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).
Lyons, Illinois, USA
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