June weather forecastDelaware, IA
June
Weather in June
The first month of the summer, June, is a moderately hot month in Delaware, Iowa, with an average temperature varying between 76.6°F (24.8°C) and 59.9°F (15.5°C).Temperature
In Delaware, stepping into June brings a temperature increase, moving up from May's enjoyable 66.9°F (19.4°C) to a moderately hot 76.6°F (24.8°C). June witnesses an average low-temperature hovering around a moderate 59.9°F (15.5°C).Humidity
In June, the average relative humidity in Delaware is 84%.Rainfall
In Delaware, in June, it is raining for 15.4 days, with typically 1.77" (45mm) of accumulated precipitation. In Delaware, during the entire year, the rain falls for 111.7 days and collects up to 13.31" (338mm) of precipitation.Snowfall
In Delaware, snow does not fall in May through September.Daylight
With an average of 15h and 12min of daylight, June has the longest days of the year.On the first day of the month, sunrise is at 5:30 am and sunset at 8:36 pm. On the last day of June, sunrise is at 5:31 am and sunset at 8:46 pm CDT.
Sunshine
In June, the average sunshine is 9.2h.UV index
The months with the highest UV index in Delaware are May through August, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 5 in June interprets into the following recommendations:
Ensure safety - Sun damage prevention is strongly urged. To guard against the harmful effects of the Sun, minimize exposure during midday. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Delaware, IA
- Average high temperature in June: 76.6°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (24.3°F).
- Average low temperature in June: 59.9°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (11.7°F).
Average pressure in June
Delaware, IA
- Average pressure in June: 29.9"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in June
Delaware, IA
- Average wind speed in June: 8.1mph
The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in June
Delaware, IA
- Average humidity in June: 84%
The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are April and October (75%).
Average rainfall in June
Delaware, IA
- Average rainfall in June: 1.77"
The wettest month (with the highest rainfall) is May (2.13").
The driest month (with the least rainfall) is December (0.47").
Average rainfall days in June
Delaware, IA
- Average rainfall days in June: 15.4 days
The month with the highest number of rainy days is June (15.4 days).
The month with the least rainy days is February (2.6 days).
Average snowfall in June
Delaware, IA
- Average snowfall in June: 0"
The month with the highest snowfall is January (2.13").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in June
Delaware, IA
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (10.8 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
Delaware, IA
- Average daylight in June: 15h and 12min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in June: 9h and 12min
The months with the most sunshine are July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in June
Delaware, IA
- Average sunshine days in June: 11.7 days
The month with the most sunshine days is December (19.7 days).
The month with the least sunshine days is June (11.7 days).
Average UV index in June
Delaware, IA
- Average UV index in June: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in June
Delaware, IA
- Average cloud cover in June: 38
The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are August and September (Cloud cover 33).
Average visibility in June
Delaware, IA
- Average visibility in June: 6mi
The months with the highest visibility are February, March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January and July (5mi).
