June weather forecastLeland, IL
June
Weather in June
June, the first month of the summer in Leland, is a warm month, with an average temperature fluctuating between 61.3°F (16.3°C) and 78.6°F (25.9°C).Temperature
The arrival of June introduces a minor uplift in high-temperatures, adjusting from an agreeable 70.3°F (21.3°C) in May to a moderately hot 78.6°F (25.9°C). During the month of June, Leland's nighttime temperature lowers to an average of 61.3°F (16.3°C).Humidity
In Leland, the average relative humidity in June is 81%.Rainfall
In Leland, during June, the rain falls for 13.4 days and regularly aggregates up to 1.22" (31mm) of precipitation. In Leland, during the entire year, the rain falls for 109.6 days and collects up to 10.31" (262mm) of precipitation.Snowfall
In Leland, 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 June, sunrise is at 5:22 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 5:24 am and sunset at 8:33 pm CDT.
Sunshine
With an average of 9.7h of sunshine, June has the most sunshine of the year.UV index
June and July, with an average maximum UV index of 6, are months with the highest UV index in Leland, Illinois. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In June, the maximum UV index of 6 translates into these guidelines:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. 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
Leland, IL
- Average high temperature in June: 78.6°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in June: 61.3°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).
Average pressure in June
Leland, IL
- Average pressure in June: 29.92"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in June
Leland, IL
- Average wind speed in June: 7.5mph
The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).
Average humidity in June
Leland, IL
- Average humidity in June: 81%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (73%).
Average rainfall in June
Leland, IL
- Average rainfall in June: 1.22"
The wettest month (with the highest rainfall) is May (1.54").
The driest month (with the least rainfall) is February (0.47").
Average rainfall days in June
Leland, IL
- Average rainfall days in June: 13.4 days
The month with the highest number of rainy days is May (14.6 days).
The month with the least rainy days is January (3.8 days).
Average snowfall in June
Leland, IL
- Average snowfall in June: 0"
The month with the highest snowfall is January (1.38").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in June
Leland, IL
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in June /
Average sunshine in June
Leland, 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 42min
The month with the most sunshine is June (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in June
Leland, IL
- Average sunshine days in June: 14.3 days
The months with the most sunshine days are January and December (21.3 days).
The month with the least sunshine days is May (14.2 days).
Average UV index in June
Leland, IL
- Average UV index in June: 6
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in June
Leland, IL
- Average cloud cover in June: 35
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is September (Cloud cover 33).
Average visibility in June
Leland, IL
- Average visibility in June: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
