June weather forecastStreamwood, IL
June
Weather in June
The first month of the summer, June, is a moderately hot month in Streamwood, Illinois, with an average temperature varying between 77.4°F (25.2°C) and 59.9°F (15.5°C).Temperature
The shift from May to June brings an increase in the average high-temperature, moving from an agreeable 68°F (20°C) to a moderately hot 77.4°F (25.2°C). In June, Streamwood records an average nighttime temperature of 59.9°F (15.5°C).Humidity
In June, the average relative humidity is 78%.Rainfall
In June, the rain falls for 16 days. Throughout June, 2.76" (70mm) of precipitation is accumulated. Throughout the year, there are 141.5 rainfall days, and 22.76" (578mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
The month with the longest days is June, with an average of 15h and 12min of daylight.On the first day of June, sunrise is at 5:19 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 5:20 am and sunset at 8:32 pm CDT.
Sunshine
In June, the average sunshine is 9.4h.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In June, the UV index of 6 transforms into the following advice:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Streamwood, IL
- Average high temperature in June: 77.4°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 (27.7°F).
- Average low temperature in June: 59.9°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (16.3°F).
Average pressure in June
Streamwood, 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
Streamwood, IL
- Average wind speed in June: 7.3mph
The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in June
Streamwood, IL
- Average humidity in June: 78%
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
Streamwood, IL
- Average rainfall in June: 2.76"
The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is December (1.02").
Average rainfall days in June
Streamwood, IL
- Average rainfall days in June: 16 days
The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is February (4.8 days).
Average snowfall in June
Streamwood, IL
- Average snowfall in June: 0"
The month with the highest snowfall is January (3.39").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in June
Streamwood, IL
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in June /
Average sunshine in June
Streamwood, 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 24min
The months with the most sunshine are July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in June
Streamwood, IL
- Average sunshine days in June: 11.7 days
The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is July (10.9 days).
Average UV index in June
Streamwood, IL
- Average UV index in June: 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 June
Streamwood, IL
- Average cloud cover in June: 36
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are July, August and September (Cloud cover 33).
Average visibility in June
Streamwood, IL
- Average visibility in June: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
