June weather forecastCasey, IL
June
Weather in June
June, the first month of the summer in Casey, is a warm month, with an average temperature ranging between min 64.9°F (18.3°C) and max 81.1°F (27.3°C).Temperature
A minor escalation in the average high-temperature is seen with the onset of June, moving from a pleasant 73°F (22.8°C) in May to a moderately hot 81.1°F (27.3°C). Casey's average low-temperature during June nights is observed to be a comfortable 64.9°F (18.3°C).Heat index
Throughout June, the heat index is computed to be a tropical 86°F (30°C). Exhaustion might be the outcome of enduring exposure and continuous activity, with a risk of heat cramps.Note that heat index values are valued for light wind and location in the shade. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are largely significant for babies and toddlers. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.
Humidity
In June, the average relative humidity is 79%.Rainfall
In Casey, Illinois, in June, it is raining for 12.6 days, with typically 1.38" (35mm) of accumulated precipitation. Throughout the year, there are 115.9 rainfall days, and 11.26" (286mm) of precipitation is accumulated.Snowfall
In Casey, snow does not fall in May through October.Daylight
With an average of 14h and 54min of daylight, June has the longest days of the year.On the first day of the month, sunrise is at 5:26 am and sunset at 8:12 pm. On the last day of June, sunrise is at 5:28 am and sunset at 8:22 pm CDT.
Sunshine
June has the most sunshine of the year, with an average of 10.4h of sunshine.UV index
The months with the highest UV index in Casey are June through August, 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 ordinary individuals.Note: In June, the maximum UV index of 6 suggests these recommendations:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Casey, IL
- Average high temperature in June: 81.1°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (34.7°F).
- Average low temperature in June: 64.9°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 (22.6°F).
Average pressure in June
Casey, IL
- Average pressure in June: 29.93"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in June
Casey, IL
- Average wind speed in June: 7.3mph
The windiest months (with the highest average wind speed) are January and February (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.1mph).
Average humidity in June
Casey, IL
- Average humidity in June: 79%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall in June
Casey, IL
- Average rainfall in June: 1.38"
The wettest month (with the highest rainfall) is April (1.54").
The driest month (with the least rainfall) is February (0.47").
Average rainfall days in June
Casey, IL
- Average rainfall days in June: 12.6 days
The month with the highest number of rainy days is May (14.9 days).
The month with the least rainy days is February (6 days).
Average snowfall in June
Casey, IL
- Average snowfall in June: 0"
The month with the highest snowfall is December (0.47").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in June
Casey, IL
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (5.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in June /
Average sunshine in June
Casey, IL
- Average daylight in June: 14h and 54min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in June: 10h and 24min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in June
Casey, IL
- Average sunshine days in June: 13.4 days
The month with the most sunshine days is October (21.2 days).
The month with the least sunshine days is May (12.4 days).
Average UV index in June
Casey, 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
Casey, IL
- Average cloud cover in June: 30
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in June
Casey, IL
- Average visibility in June: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).





