June weather forecastLancaster, IL
June
Weather in June
June, the first month of the summer in Lancaster, is also a moderately hot month, with an average temperature ranging between max 82.9°F (28.3°C) and min 65.8°F (18.8°C).Temperature
Lancaster observes a slight ascent in average high-temperatures during June, adjusting from 74.3°F (23.5°C) in May to a still moderately hot 82.9°F (28.3°C). Lancaster observes an average nighttime temperature of 65.8°F (18.8°C) during June.Heat index
The heat index value for June is appraised at a hot 91.4°F (33°C). Heightened safety actions are necessary, heat cramps and heat exhaustion are probable. Persistent activity may lead to heatstroke.Bear in mind that the heat index values are determined for shaded areas and light breezes. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', comes about by integrating the temperature readings with the humidity levels. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.
Humidity
In Lancaster, the average relative humidity in June is 78%.Rainfall
In Lancaster, Illinois, in June, it is raining for 14.1 days, with typically 3.5" (89mm) of accumulated precipitation. In Lancaster, during the entire year, the rain falls for 155.6 days and collects up to 34.65" (880mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
The month with the longest days is June, with an average of 14h and 48min of daylight.On the first day of June, sunrise is at 5:28 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 5:30 am and sunset at 8:19 pm CDT.
Sunshine
June has the most sunshine of the year, with an average of 10.6h of sunshine.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In June, the UV index of 6 transforms into the following advice:
Guard oneself from overexposure. Defence against sun injury is vital. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Lancaster, IL
- Average high temperature in June: 82.9°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in June: 65.8°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).
Average pressure in June
Lancaster, IL
- Average pressure in June: 29.94"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in June
Lancaster, IL
- Average wind speed in June: 7.1mph
The windiest month (with the highest average wind speed) is February (10.1mph).
The calmest month (with the lowest average wind speed) is July (5.9mph).
Average humidity in June
Lancaster, IL
- Average humidity in June: 78%
The months with the highest relative humidity are May and July (80%).
The month with the lowest relative humidity is October (70%).
Average rainfall in June
Lancaster, IL
- Average rainfall in June: 3.5"
The wettest month (with the highest rainfall) is April (4.72").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in June
Lancaster, IL
- Average rainfall days in June: 14.1 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is January (9.4 days).
Average snowfall in June
Lancaster, IL
- Average snowfall in June: 0"
The month with the highest snowfall is January (1.46").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in June
Lancaster, IL
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (6.8 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
Lancaster, IL
- Average daylight in June: 14h and 48min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in June: 10h and 36min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in June
Lancaster, IL
- Average sunshine days in June: 12.8 days
The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is May (10.3 days).
Average UV index in June
Lancaster, IL
- Average UV index in June: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in June
Lancaster, IL
- Average cloud cover in June: 28
The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are June and August (Cloud cover 28).
Average visibility in June
Lancaster, IL
- Average visibility in June: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





