June weather forecastHarpers Ferry, IA
June
Weather in June
The first month of the summer, June, is a moderately hot month in Harpers Ferry, Iowa, with temperature in the range of an average high of 75.9°F (24.4°C) and an average low of 58.1°F (14.5°C).Temperature
The transition from May to June brings a temperature rise, with average high-temperatures increasing from a comfortable 66.6°F (19.2°C) to a moderately hot 75.9°F (24.4°C). The average low-temperature of 58.1°F (14.5°C) is witnessed in Harpers Ferry, Iowa, during June.Humidity
In Harpers Ferry, the average relative humidity in June is 84%.Rainfall
The month with the most rainfall is June, when the rain falls for 18.6 days and typically aggregates up to 3.9" (99mm) of precipitation.Snowfall
In Harpers Ferry, snow does not fall in June through September.Daylight
The month with the longest days is June, with an average of 15h and 18min of daylight.On the first day of the month, sunrise is at 5:27 am and sunset at 8:38 pm. On the last day of June, in Harpers Ferry, sunrise is at 5:28 am and sunset at 8:48 pm CDT.
Sunshine
In Harpers Ferry, the average sunshine in June is 9.2h.UV index
The months with the highest UV index in Harpers Ferry are June and July, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: An average maximum UV index of 6 in June leads to these recommendations:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Harpers Ferry, IA
- Average high temperature in June: 75.9°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (23.2°F).
- Average low temperature in June: 58.1°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (10.6°F).
Average pressure in June
Harpers Ferry, 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
Harpers Ferry, IA
- Average wind speed in June: 7.4mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in June
Harpers Ferry, IA
- Average humidity in June: 84%
The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is October (76%).
Average rainfall in June
Harpers Ferry, IA
- Average rainfall in June: 3.9"
The wettest month (with the highest rainfall) is June (3.9").
The driest month (with the least rainfall) is January (0.75").
Average rainfall days in June
Harpers Ferry, IA
- Average rainfall days in June: 18.6 days
The month with the highest number of rainy days is June (18.6 days).
The month with the least rainy days is February (3.6 days).
Average snowfall in June
Harpers Ferry, IA
- Average snowfall in June: 0"
The month with the highest snowfall is February (3.94").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in June
Harpers Ferry, IA
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in June /
Average sunshine in June
Harpers Ferry, IA
- Average daylight in June: 15h and 18min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in June: 9h and 12min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in June
Harpers Ferry, IA
- Average sunshine days in June: 9.6 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is June (9.6 days).
Average UV index in June
Harpers Ferry, IA
- 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, November and December (UV index 1).
Average cloud cover in June
Harpers Ferry, IA
- Average cloud cover in June: 38
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in June
Harpers Ferry, IA
- Average visibility in June: 6mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
