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
As June arrives, a rise in the average high-temperature is observed, moving from an agreeable 68.9°F (20.5°C) in May to a moderately hot 77.9°F (25.5°C). The average low-temperature in Mount Vernon during June nights is a comfortable 61.5°F (16.4°C).Humidity
In June, the average relative humidity is 82%.Rainfall
In Mount Vernon, in June, during 18.8 rainfall days, 4.37" (111mm) of precipitation is typically accumulated. Throughout the year, there are 147.9 rainfall days, and 31.57" (802mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
With an average of 15h and 12min of daylight, June has the longest days of the year in Mount Vernon.On the first day of June, sunrise is at 5:32 am and sunset at 8:34 pm. On the last day of the month, sunrise is at 5:34 am and sunset at 8:44 pm CDT.
Sunshine
In June, the average sunshine is 9.5h.UV index
In June, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 5 during June translates into the following directions:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are June temperatures?
What is the average humidity in June?
How many days does it rain in June?
When it does not snow in Mount Vernon?
When are the longest days?
How many hours of daylight does Mount Vernon have in June?
When are sunrise and sunset in June?
How long on average sun shines in June?
What is the UV index reading in June?
Average temperature in June
Mount Vernon, IA
- Average high temperature in June: 77.9°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 (26.2°F).
- Average low temperature in June: 61.5°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (14.2°F).
Average pressure in June
Mount Vernon, IA
- Average pressure in June: 29.9"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in June
Mount Vernon, IA
- Average wind speed in June: 7.9mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in June
Mount Vernon, IA
- Average humidity in June: 82%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (73%).
Average rainfall in June
Mount Vernon, IA
- Average rainfall in June: 4.37"
The wettest month (with the highest rainfall) is May (5").
The driest month (with the least rainfall) is January (1.34").
Average rainfall days in June
Mount Vernon, IA
- Average rainfall days in June: 18.8 days
The month with the highest number of rainy days is May (19 days).
The months with the least rainy days are January and February (5.2 days).
Average snowfall in June
Mount Vernon, IA
- Average snowfall in June: 0"
The month with the highest snowfall is January (5.79").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in June
Mount Vernon, IA
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (12.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in June /
Average sunshine in June
Mount Vernon, IA
- Average daylight in June: 15h and 1min
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 3min
The months with the most sunshine are July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in June
Mount Vernon, IA
- Average sunshine days in June: 8.1 days
The month with the most sunshine days is November (17 days).
The month with the least sunshine days is June (8.1 days).
Average UV index in June
Mount Vernon, IA
- Average UV index in June: 5
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in June
Mount Vernon, IA
- Average cloud cover in June: 36
The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are August and September (Cloud cover 31).
Average visibility in June
Mount Vernon, IA
- Average visibility in June: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
Mount Vernon, Iowa, USA
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