June weather forecastGrayslake, IL
June
Weather in June
The first month of the summer, June, is a warm month in Grayslake, Illinois, with temperature in the range of an average low of 58.8°F (14.9°C) and an average high of 74.8°F (23.8°C).Temperature
With the beginning of June, Grayslake's average high-temperature sees an increase, transitioning from an enjoyable 65.3°F (18.5°C) in May to a moderately hot 74.8°F (23.8°C). Nighttime temperatures hover around an average low of 58.8°F (14.9°C) in June.Humidity
In June, the average relative humidity is 80%.Rainfall
In Grayslake, in June, it is raining for 15.7 days, with typically 2.6" (66mm) of accumulated precipitation. In Grayslake, Illinois, during the entire year, the rain falls for 142.3 days and collects up to 21.97" (558mm) of precipitation.Snowfall
In Grayslake, snow does not fall in June through September.Daylight
The month with the longest days is June, with an average of 15h and 12min of daylight.On the first day of the month, sunrise is at 5:17 am and sunset at 8:22 pm. On the last day of June, sunrise is at 5:19 am and sunset at 8:32 pm CDT.
Sunshine
In Grayslake, the average sunshine in June is 9.7h.UV index
In Grayslake, the average daily maximum UV index in June is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index, 5 during June, leads to the following recommendations:
Undertake protective steps - Preventing sun damage is advised. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Grayslake, IL
- Average high temperature in June: 74.8°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 (27.5°F).
- Average low temperature in June: 58.8°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).
Average pressure in June
Grayslake, IL
- Average pressure in June: 29.92"Hg
The months with the highest atmospheric pressure are January and February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in June
Grayslake, IL
- Average wind speed in June: 7.4mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in June
Grayslake, IL
- Average humidity in June: 80%
The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in June
Grayslake, IL
- Average rainfall in June: 2.6"
The wettest month (with the highest rainfall) is April (2.72").
The driest month (with the least rainfall) is December (0.98").
Average rainfall days in June
Grayslake, IL
- Average rainfall days in June: 15.7 days
The month with the highest number of rainy days is July (17.5 days).
The month with the least rainy days is February (5 days).
Average snowfall in June
Grayslake, IL
- Average snowfall in June: 0"
The month with the highest snowfall is January (3.58").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in June
Grayslake, IL
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (13.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in June /
Average sunshine in June
Grayslake, IL
- Average daylight in June: 15h and 12min
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 June: 9h and 42min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in June
Grayslake, IL
- Average sunshine days in June: 11.7 days
The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in June
Grayslake, IL
- Average UV index in June: 5
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in June
Grayslake, IL
- Average cloud cover in June: 34
The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are July, August and September (Cloud cover 30).
Average visibility in June
Grayslake, IL
- Average visibility in June: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).





