June weather forecastGreenfield, IA
June
Weather in June
The first month of the summer, June, is a moderately hot month in Greenfield, Iowa, with an average temperature varying between 63°F (17.2°C) and 79.2°F (26.2°C).Temperature
June shows a rise in the average high-temperature, moving from May's agreeable 69.1°F (20.6°C) to a warm 79.2°F (26.2°C). During the month of June, the temperature in Greenfield generally drops to a low average of 63°F (17.2°C).Humidity
The months with the highest humidity in Greenfield are January, February and June, with an average relative humidity of 82%.Rainfall
June is the month with the most rainfall in Greenfield. Rain falls for 18.5 days and accumulates 4.49" (114mm) of precipitation.Snowfall
June through September are months without snowfall in Greenfield.Daylight
With an average of 15h and 6min of daylight, June has the longest days of the year in Greenfield.On the first day of June, sunrise is at 5:46 am and sunset at 8:45 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 8:55 pm CDT.
Sunshine
In June, the average sunshine is 9.7h.UV index
The months with the highest UV index in Greenfield are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the average person.Note: In June, the UV index of 6 transforms into the following advice:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Greenfield, IA
- Average high temperature in June: 79.2°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (28.4°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 (14.9°F).
Average pressure in June
Greenfield, 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
Greenfield, IA
- Average wind speed in June: 8.3mph
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 (7.1mph).
Average humidity in June
Greenfield, 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 (70%).
Average rainfall in June
Greenfield, IA
- Average rainfall in June: 4.49"
The wettest month (with the highest rainfall) is June (4.49").
The driest month (with the least rainfall) is January (0.87").
Average rainfall days in June
Greenfield, IA
- Average rainfall days in June: 18.5 days
The month with the highest number of rainy days is June (18.5 days).
The month with the least rainy days is January (4 days).
Average snowfall in June
Greenfield, IA
- Average snowfall in June: 0"
The month with the highest snowfall is February (4.41").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in June
Greenfield, IA
- 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 June, July, August and September (0 days).
Average daylight in June /
Average sunshine in June
Greenfield, 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 12min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in June
Greenfield, IA
- Average sunshine days in June: 9.6 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is June (9.6 days).
Average UV index in June
Greenfield, IA
- Average UV index in June: 6
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in June
Greenfield, IA
- Average cloud cover in June: 34
The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility in June
Greenfield, 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).





