June weather forecastOttawa, IL
June
Weather in June
The first month of the summer, June, is a moderately hot month in Ottawa, Illinois, with temperature in the range of an average low of 61.5°F (16.4°C) and an average high of 78.8°F (26°C).Temperature
June brings a slight increase in the average high-temperature, progressing from a pleasant 70.7°F (21.5°C) in May to a warm 78.8°F (26°C). During June, the temperature tends to dip to an average of 61.5°F (16.4°C) at night.Humidity
The average relative humidity in June is 81%.Rainfall
In Ottawa, in June, it is raining for 19.4 days, with typically 4.13" (105mm) of accumulated precipitation. Throughout the year, there are 166.3 rainfall days, and 35.35" (898mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
The month with the longest days is June, with an average of 15h and 6min of daylight.On the first day of the month, sunrise is at 5:23 am and sunset at 8:22 pm. On the last day of June, sunrise is at 5:25 am and sunset at 8:32 pm CDT.
Sunshine
With an average of 9.8h of sunshine, June has the most sunshine of the year.UV index
The months with the highest UV index are June and July, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: During June, 6 as the daily maximum UV index converts into the following advice:
Stay clear of intense sun exposure. Solar protection is of utmost significance. 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. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Ottawa, IL
- Average high temperature in June: 78.8°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (29.1°F).
- Average low temperature in June: 61.5°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (17.2°F).
Average pressure in June
Ottawa, IL
- Average pressure in June: 29.92"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in June
Ottawa, IL
- Average wind speed in June: 7.5mph
The windiest month (with the highest average wind speed) is April (10.2mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in June
Ottawa, IL
- Average humidity in June: 81%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (72%).
Average rainfall in June
Ottawa, IL
- Average rainfall in June: 4.13"
The wettest month (with the highest rainfall) is May (5").
The driest month (with the least rainfall) is November (1.81").
Average rainfall days in June
Ottawa, IL
- Average rainfall days in June: 19.4 days
The month with the highest number of rainy days is July (19.9 days).
The month with the least rainy days is February (6.2 days).
Average snowfall in June
Ottawa, IL
- Average snowfall in June: 0"
The month with the highest snowfall is February (5.08").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in June
Ottawa, IL
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (12.9 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
Ottawa, 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 12min).
- Average sunshine in June: 9h and 48min
The month with the most sunshine is June (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in June
Ottawa, IL
- Average sunshine days in June: 8.2 days
The month with the most sunshine days is November (17 days).
The month with the least sunshine days is July (7.2 days).
Average UV index in June
Ottawa, 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
Ottawa, IL
- Average cloud cover in June: 34
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 32).
Average visibility in June
Ottawa, IL
- Average visibility in June: 6mi
The months with the highest visibility are March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, February, July and August (5mi).
