June weather forecastWindsor, IL
June
Weather in June
June, the first month of the summer in Windsor, is a warm month, with an average temperature varying between 81.1°F (27.3°C) and 64.6°F (18.1°C).Temperature
With the transition into June, Windsor experiences a subtle uplift in average high-temperatures, adjusting from a pleasant 73°F (22.8°C) in May to a warm 81.1°F (27.3°C). An average nighttime temperature of 64.6°F (18.1°C) is recorded during June.Heat index
For most parts of June, the heat index is computed to be a hot 86°F (30°C). Remaining active during long-lasting exposure could cause fatigue, leading to heat cramps.Understanding the heat index involves considering values for shaded locales with light wind. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', melds the effects of warmth and moisture to generate a feeling of heat. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
Humidity
In June, the average relative humidity is 79%.Rainfall
The month with the most rainfall is June, when the rain falls for 12.7 days and typically aggregates up to 1.46" (37mm) of precipitation.Snowfall
In Windsor, snow does not fall in April through October.Daylight
June has the longest days of the year, with an average of 14h and 54min of daylight.On the first day of the month, sunrise is at 5:28 am and sunset at 8:15 pm. On the last day of June, sunrise is at 5:30 am and sunset at 8:25 pm CDT.
Sunshine
The month with the most sunshine is June, with an average of 10.4h of sunshine.UV index
The months with the highest UV index in Windsor are June through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for average individuals.Note: The daily high UV index of 6 during June translates into the following recommendations:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Windsor, IL
- Average high temperature in June: 81.1°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (34.3°F).
- Average low temperature in June: 64.6°F
The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).
Average pressure in June
Windsor, IL
- Average pressure in June: 29.92"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in June
Windsor, IL
- Average wind speed in June: 7.4mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in June
Windsor, 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 (70%).
Average rainfall in June
Windsor, IL
- Average rainfall in June: 1.46"
The wettest month (with the highest rainfall) is June (1.46").
The driest month (with the least rainfall) is February (0.55").
Average rainfall days in June
Windsor, IL
- Average rainfall days in June: 12.7 days
The month with the highest number of rainy days is May (14.3 days).
The month with the least rainy days is February (4.9 days).
Average snowfall in June
Windsor, IL
- Average snowfall in June: 0"
The month with the highest snowfall is February (0.83").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in June
Windsor, IL
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is February (5.9 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
Windsor, 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 24min).
- 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
Windsor, IL
- Average sunshine days in June: 13.5 days
The month with the most sunshine days is December (22.1 days).
The month with the least sunshine days is June (13.5 days).
Average UV index in June
Windsor, IL
- Average UV index in June: 6
The months with the highest UV index are 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
Windsor, IL
- Average cloud cover in June: 30
The months with the most cloud cover are January and February (Cloud cover 55).
The months with the least cloud cover are June and September (Cloud cover 30).
Average visibility in June
Windsor, 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).





