June weather forecastProspect Heights, IL
June
Weather in June
The first month of the summer, June, is a warm month in Prospect Heights, Illinois, with an average temperature ranging between min 60.4°F (15.8°C) and max 75.9°F (24.4°C).Temperature
June brings a temperature increase, with average high-temperatures moving from May's refreshing 65.8°F (18.8°C) to a moderately hot 75.9°F (24.4°C). Prospect Heights reports an average low-temperature of 60.4°F (15.8°C) during the nights of June.Humidity
The average relative humidity in June is 77%.Rainfall
In Prospect Heights, during June, the rain falls for 17.2 days and regularly aggregates up to 3.66" (93mm) of precipitation. In Prospect Heights, during the entire year, the rain falls for 153.3 days and collects up to 30.12" (765mm) of precipitation.Snowfall
In Prospect Heights, snow does not fall in June through September.Daylight
With an average of 15h and 12min of daylight, June has the longest days of the year.On the first day of June, sunrise is at 5:17 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 5:19 am and sunset at 8:31 pm CDT.
Sunshine
The average sunshine in June is 9.7h.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index, 6 in June, converts into the following recommendations:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Prospect Heights, IL
- Average high temperature in June: 75.9°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (28.2°F).
- Average low temperature in June: 60.4°F
The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in June
Prospect Heights, IL
- Average pressure in June: 29.92"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 June
Prospect Heights, IL
- Average wind speed in June: 7.5mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in June
Prospect Heights, IL
- Average humidity in June: 77%
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 June
Prospect Heights, IL
- Average rainfall in June: 3.66"
The wettest month (with the highest rainfall) is May (3.9").
The driest month (with the least rainfall) is December (1.46").
Average rainfall days in June
Prospect Heights, IL
- Average rainfall days in June: 17.2 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is February (5.6 days).
Average snowfall in June
Prospect Heights, IL
- Average snowfall in June: 0"
The month with the highest snowfall is January (4.96").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in June
Prospect Heights, IL
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in June /
Average sunshine in June
Prospect Heights, 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 12min).
- Average sunshine in June: 9h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in June
Prospect Heights, IL
- Average sunshine days in June: 10.7 days
The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is June (10.7 days).
Average UV index in June
Prospect Heights, IL
- Average UV index in June: 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 June
Prospect Heights, IL
- Average cloud cover in June: 35
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in June
Prospect Heights, IL
- Average visibility in June: 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).
