June weather forecastDe Witt, IL
June
Weather in June
The first month of the summer, June, is a moderately hot month in De Witt, Illinois, with temperature in the range of an average low of 63.9°F (17.7°C) and an average high of 79.9°F (26.6°C).Temperature
In De Witt, the average high-temperature in June slightly increases from an agreeable 72.1°F (22.3°C) in May to a warm 79.9°F (26.6°C). De Witt registers a consistent average low-temperature of 63.9°F (17.7°C) during June.Humidity
In June, the average relative humidity is 80%.Rainfall
In June, the rain falls for 15.4 days. Throughout June, 2.44" (62mm) of precipitation is accumulated. In De Witt, during the entire year, the rain falls for 138.7 days and collects up to 20.91" (531mm) of precipitation.Snowfall
May through October are months without snowfall in De Witt.Daylight
June has the longest days of the year in De Witt, with an average of 15h and 0min of daylight.On the first day of the month, sunrise is at 5:27 am and sunset at 8:18 pm. On the last day of June, sunrise is at 5:29 am and sunset at 8:28 pm CDT.
Sunshine
With an average of 10.1h 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 De Witt. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for average individuals.Note: The UV index of 6 during June leads to these advisories:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
De Witt, IL
- Average high temperature in June: 79.9°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in June: 63.9°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 (19.9°F).
Average pressure in June
De Witt, IL
- Average pressure in June: 29.92"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in June
De Witt, IL
- Average wind speed in June: 7.8mph
The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in June
De Witt, IL
- Average humidity in June: 80%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (70%).
Average rainfall in June
De Witt, IL
- Average rainfall in June: 2.44"
The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is December (1.1").
Average rainfall days in June
De Witt, IL
- Average rainfall days in June: 15.4 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is February (6.1 days).
Average snowfall in June
De Witt, IL
- Average snowfall in June: 0"
The month with the highest snowfall is January (2.76").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in June
De Witt, IL
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (9.6 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
De Witt, IL
- Average daylight in June: 15h and 0min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in June: 10h and 6min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in June
De Witt, IL
- Average sunshine days in June: 11.3 days
The month with the most sunshine days is November (19.2 days).
The month with the least sunshine days is May (10.4 days).
Average UV index in June
De Witt, 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, February, November and December (UV index 2).
Average cloud cover in June
De Witt, IL
- Average cloud cover in June: 31
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility in June
De Witt, 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).





