Contents
- Weather in June
- Frequently asked questions
- Average temperature in June
- Average pressure in June
- Average wind speed in June
- Average humidity in June
- Average rainfall in June
- Average rainfall days in June
- Average snowfall in June
- Average snowfall days in June
- Average daylight in June
- Average sunshine in June
- Average sunshine days in June
- Average UV index in June
- Average cloud cover in June
- Average visibility in June
Weather in June
Temperature
The transition from May to June brings a temperature rise, with average high-temperatures increasing from an agreeable 68.5°F (20.3°C) to a warm 77.9°F (25.5°C). Nighttime temperatures in Rock Valley consistently average a refreshing 61.3°F (16.3°C) during June.Humidity
The average relative humidity in June is 76%.Rainfall
The month with the most rainfall is June, when the rain falls for 18.8 days and typically aggregates up to 3.78" (96mm) of precipitation.Snowfall
In Rock Valley, snow does not fall in June through September.Daylight
With an average of 15h and 18min of daylight, June has the longest days of the year in Rock Valley.On the first day of the month, sunrise is at 5:47 am and sunset at 8:58 pm. On the last day of June, in Rock Valley, sunrise is at 5:49 am and sunset at 9:09 pm CDT.
Sunshine
In Rock Valley, the average sunshine in June is 10h.UV index
The months with the highest UV index are June and July, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In June, the UV index of 6 transforms into the following advice:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. 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. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average June temperature in Rock Valley?
What is the average humidity in June in Rock Valley?
What is the wettest month in Rock Valley?
How many days does it rain in June in Rock Valley?
When it does not snow in Rock Valley?
Does it snow in Rock Valley in June?
When are the longest days in Rock Valley?
What is the average length of the day in June in Rock Valley?
When is the sunrise / sunset in June in Rock Valley?
How long on average sun shines in June in Rock Valley?
What is the month with the highest UV index in Rock Valley?
What is the UV index intensity in June in Rock Valley?
Average temperature in June
Rock Valley, IA
- Average high temperature in June: 77.9°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (24.1°F).
- Average low temperature in June: 61.3°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in June
Rock Valley, IA
- Average pressure in June: 29.86"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in June
Rock Valley, IA
- Average wind speed in June: 8.8mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).
Average humidity in June
Rock Valley, IA
- Average humidity in June: 76%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (67%).
Average rainfall in June
Rock Valley, IA
- Average rainfall in June: 3.78"
The wettest month (with the highest rainfall) is June (3.78").
The driest month (with the least rainfall) is January (0.75").
Average rainfall days in June
Rock Valley, IA
- Average rainfall days in June: 18.8 days
The month with the highest number of rainy days is June (18.8 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in June
Rock Valley, IA
- Average snowfall in June: 0"
The month with the highest snowfall is February (4.49").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in June
Rock Valley, IA
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in June /
Average sunshine in June
Rock Valley, IA
- Average daylight in June: 15h and 2min
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: 10h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in June
Rock Valley, IA
- Average sunshine days in June: 8.3 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is June (8.3 days).
Average UV index in June
Rock Valley, 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, February, October, November and December (UV index 2).
Average cloud cover in June
Rock Valley, IA
- Average cloud cover in June: 34
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in June
Rock Valley, 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).
Rock Valley, Iowa, USA
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