June weather forecastCastleton, IL
June
Weather in June
The first month of the summer, June, is a moderately hot month in Castleton, Illinois, with an average temperature fluctuating between 62.2°F (16.8°C) and 79.3°F (26.3°C).Temperature
The beginning of June signals a minor rise in the average high-temperature, moving from an agreeable 71.1°F (21.7°C) in May to a moderately hot 79.3°F (26.3°C). Throughout June, Castleton experiences a low-temperature average of 62.2°F (16.8°C).Humidity
In June, the average relative humidity is 82%.Rainfall
In Castleton, in June, it is raining for 14.2 days, with typically 1.73" (44mm) of accumulated precipitation. Throughout the year, in Castleton, there are 116.8 rainfall days, and 13.98" (355mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall in Castleton.Daylight
With an average of 15h and 6min of daylight, June has the longest days of the year in Castleton.On the first day of June, sunrise is at 5:28 am and sunset at 8:25 pm. On the last day of the month, sunrise is at 5:29 am and sunset at 8:35 pm CDT.
Sunshine
The months with the most sunshine are June and July, with an average of 10h of sunshine.UV index
The months with the highest UV index are June and July, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high UV index of 6 in June translates into the following recommendations:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Castleton, IL
- Average high temperature in June: 79.3°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 (29.7°F).
- Average low temperature in June: 62.2°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).
Average pressure in June
Castleton, IL
- Average pressure in June: 29.91"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in June
Castleton, IL
- Average wind speed in June: 7.9mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in June
Castleton, IL
- Average humidity in June: 82%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall in June
Castleton, IL
- Average rainfall in June: 1.73"
The wettest month (with the highest rainfall) is May (2.24").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in June
Castleton, IL
- Average rainfall days in June: 14.2 days
The month with the highest number of rainy days is May (15.2 days).
The months with the least rainy days are January and February (4.2 days).
Average snowfall in June
Castleton, IL
- Average snowfall in June: 0"
The month with the highest snowfall is January (1.81").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in June
Castleton, IL
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (8.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in June /
Average sunshine in June
Castleton, 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 18min).
- Average sunshine in June: 10h and 0min
The months with the most sunshine are June and July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in June
Castleton, IL
- Average sunshine days in June: 13.2 days
The month with the most sunshine days is November (21.3 days).
The month with the least sunshine days is May (12.8 days).
Average UV index in June
Castleton, 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
Castleton, IL
- Average cloud cover in June: 32
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility in June
Castleton, 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).
