June weather forecastSaint Charles, IA
June
Weather in June
The first month of the summer, June, is a warm month in Saint Charles, Iowa, with temperature in the range of an average high of 79.7°F (26.5°C) and an average low of 63°F (17.2°C).Temperature
June's onset witnesses a shift in the average high-temperature, moving from an agreeable 69.4°F (20.8°C) in May to a warm 79.7°F (26.5°C). In Saint Charles, June nights witness a steady temperature drop to a comfortable 63°F (17.2°C).Humidity
The months with the highest humidity are January, February and June, with an average relative humidity of 82%.Rainfall
In Saint Charles, in June, during 17.9 rainfall days, 3.78" (96mm) of precipitation is typically accumulated. Throughout the year, there are 133 rainfall days, and 26.14" (664mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
With an average of 15h and 6min of daylight, June has the longest days of the year.On the first day of the month, sunrise is at 5:44 am and sunset at 8:42 pm. On the last day of June, sunrise is at 5:45 am and sunset at 8:52 pm CDT.
Sunshine
In June, the average sunshine is 9.7h.UV index
The months with the highest UV index 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 radiation for the average person.Note: The daily high UV index of 6 during June translates into the following recommendations:
Deter overexposure. Protecting against the sun's effects is essential. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Saint Charles, IA
- Average high temperature in June: 79.7°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in June: 63°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).
Average pressure in June
Saint Charles, IA
- Average pressure in June: 29.88"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in June
Saint Charles, IA
- Average wind speed in June: 8.1mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is August (7mph).
Average humidity in June
Saint Charles, IA
- Average humidity in June: 82%
The months with the highest relative humidity are January, February and June (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall in June
Saint Charles, IA
- Average rainfall in June: 3.78"
The wettest month (with the highest rainfall) is May (3.98").
The driest month (with the least rainfall) is January (0.91").
Average rainfall days in June
Saint Charles, IA
- Average rainfall days in June: 17.9 days
The month with the highest number of rainy days is June (17.9 days).
The months with the least rainy days are January and February (3.8 days).
Average snowfall in June
Saint Charles, IA
- Average snowfall in June: 0"
The month with the highest snowfall is February (4.53").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in June
Saint Charles, IA
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (9.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in June /
Average sunshine in June
Saint Charles, IA
- 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 18min).
- Average sunshine in June: 9h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in June
Saint Charles, IA
- Average sunshine days in June: 9.8 days
The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is June (9.8 days).
Average UV index in June
Saint Charles, IA
- 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, October, November and December (UV index 2).
Average cloud cover in June
Saint Charles, IA
- Average cloud cover in June: 34
The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are July and September (Cloud cover 29).
Average visibility in June
Saint Charles, IA
- Average visibility in June: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).





