June weather forecastHarvey, IL
June
Weather in June
June, the first month of the summer in Harvey, is a warm month, with an average temperature varying between 77.7°F (25.4°C) and 61.7°F (16.5°C).Temperature
Harvey in June shows a temperature shift, moving from an average high of a pleasant 68.7°F (20.4°C) in May to a moderately hot 77.7°F (25.4°C). Harvey's temperature in June lowers to a consistent average of 61.7°F (16.5°C) during the nights.Humidity
In June, the average relative humidity is 78%.Rainfall
In Harvey, in June, it is raining for 17.4 days, with typically 3.82" (97mm) of accumulated precipitation. In Harvey, during the entire year, the rain falls for 155.6 days and collects up to 31.3" (795mm) of precipitation.Snowfall
In Harvey, snow does not fall in May through September.Daylight
With an average of 15h and 6min of daylight, June has the longest days of the year.On the first day of the month, sunrise is at 5:18 am and sunset at 8:18 pm. On the last day of June, sunrise is at 5:20 am and sunset at 8:28 pm CDT.
Sunshine
The average sunshine in June is 9.6h.UV index
The months with the highest UV index are June and July, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In June, a daily maximum UV index of 6 leads to the following instructions:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. 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
Average temperature in June
Harvey, IL
- Average high temperature in June: 77.7°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in June: 61.7°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in June
Harvey, 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
Harvey, IL
- Average wind speed in June: 7.4mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in June
Harvey, IL
- Average humidity in June: 78%
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (73%).
Average rainfall in June
Harvey, IL
- Average rainfall in June: 3.82"
The wettest month (with the highest rainfall) is May (4.17").
The driest month (with the least rainfall) is December (1.54").
Average rainfall days in June
Harvey, IL
- Average rainfall days in June: 17.4 days
The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is February (6.1 days).
Average snowfall in June
Harvey, IL
- Average snowfall in June: 0"
The month with the highest snowfall is January (4.53").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in June
Harvey, IL
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in June /
Average sunshine in June
Harvey, IL
- Average daylight in June: 15h and 6min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in June: 9h and 36min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in June
Harvey, IL
- Average sunshine days in June: 10.4 days
The month with the most sunshine days is November (16.4 days).
The month with the least sunshine days is April (10.2 days).
Average UV index in June
Harvey, IL
- Average UV index in June: 6
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in June
Harvey, IL
- Average cloud cover in June: 35
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in June
Harvey, 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).





