June weather forecastPreston, IA
June
Weather in June
The first month of the summer, June, is a warm month in Preston, Iowa, with temperature in the range of an average high of 77.2°F (25.1°C) and an average low of 61.2°F (16.2°C).Temperature
The arrival of June introduces a minor uplift in high-temperatures, adjusting from an agreeable 68.5°F (20.3°C) in May to a warm 77.2°F (25.1°C). Preston reports an average low-temperature of 61.2°F (16.2°C) during the nights of June.Humidity
The average relative humidity in June is 83%.Rainfall
In June, in Preston, the rain falls for 17.1 days. Throughout June, 3.86" (98mm) of precipitation is accumulated. In Preston, Iowa, during the entire year, the rain falls for 143.3 days and collects up to 29.76" (756mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
The month with the longest days in Preston is June, with an average of 15h and 12min of daylight.On the first day of the month, sunrise is at 5:27 am and sunset at 8:31 pm. On the last day of June, in Preston, sunrise is at 5:29 am and sunset at 8:41 pm CDT.
Sunshine
The average sunshine in June is 9.5h.UV index
In Preston, the average daily maximum UV index in June is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.Note: In June, a daily UV index of 5 turns into the following recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Preston, IA
- Average high temperature in June: 77.2°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (25.9°F).
- Average low temperature in June: 61.2°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (13.3°F).
Average pressure in June
Preston, 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
Preston, IA
- Average wind speed in June: 7.7mph
The windiest month (with the highest average wind speed) is April (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in June
Preston, IA
- Average humidity in June: 83%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (74%).
Average rainfall in June
Preston, IA
- Average rainfall in June: 3.86"
The wettest month (with the highest rainfall) is May (4.53").
The driest month (with the least rainfall) is January (1.34").
Average rainfall days in June
Preston, IA
- Average rainfall days in June: 17.1 days
The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in June
Preston, IA
- Average snowfall in June: 0"
The month with the highest snowfall is January (5.2").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in June
Preston, IA
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (11 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
Preston, 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 12min).
- Average sunshine in June: 9h and 30min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The months with the least sunshine are January and February (Average sunshine: 3h and 54min).
Average sunshine days in June
Preston, IA
- Average sunshine days in June: 10.4 days
The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is May (10.2 days).
Average UV index in June
Preston, IA
- Average UV index in June: 5
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in June
Preston, IA
- Average cloud cover in June: 35
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 31).
Average visibility in June
Preston, 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).





