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
With the transition into June, Alton experiences an increase in average high-temperatures, moving up from a moderate 56.3°F (13.5°C) in May to an agreeable 68.9°F (20.5°C). A stark contrast in day to night temperatures can be seen in June, with an average low-temperature of 40.6°F (4.8°C).Humidity
In June, the average relative humidity is 55%.Rainfall
In June, the rain falls for 10.9 days. Throughout June, 1.3" (33mm) of precipitation is accumulated. In Alton, Idaho, during the entire year, the rain falls for 117.5 days and collects up to 20.24" (514mm) of precipitation.Snowfall
Months with snowfall are January through June, September through December. June is the last month it regularly snows. During 0.4 snowfall days, in June, Alton aggregates 0.08" (2mm) of snow. In Alton, during the entire year, snow falls for 116.1 days and aggregates up to 91.14" (2315mm) of snow.Daylight
The month with the longest days is June, with an average of 15h and 12min of daylight.On the first day of the month, sunrise is at 5:50 am and sunset at 8:54 pm. On the last day of June, in Alton, sunrise is at 5:51 am and sunset at 9:04 pm MDT.
Sunshine
In June, the average sunshine is 11.4h.UV index
June and July, with an average maximum UV index of 5, are months with the highest UV index in Alton. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The daily high UV index of 5 during June translates into the following recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
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 much does it rain in June?
What is the last month it snows?
When are the longest days?
How many hours of daylight does Alton have in June?
When are sunrise and sunset in June?
How long on average sun shines in June?
What are the months with the highest UV index?
What is the UV index intensity in June?
Average temperature in June
Alton, ID
- Average high temperature in June: 68.9°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is December (25.2°F).
- Average low temperature in June: 40.6°F
The month with the highest average low temperature is July (48.9°F).
The coldest month (with the lowest average low temperature) is January (7.9°F).
Average pressure in June
Alton, ID
- Average pressure in June: 29.9"Hg
The month with the highest atmospheric pressure is January (30.29"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in June
Alton, ID
- Average wind speed in June: 5.8mph
The windiest month (with the highest average wind speed) is June (5.8mph).
The calmest months (with the lowest average wind speed) are January and December (4.2mph).
Average humidity in June
Alton, ID
- Average humidity in June: 55%
The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is August (42%).
Average rainfall in June
Alton, ID
- Average rainfall in June: 1.3"
The wettest month (with the highest rainfall) is May (2.6").
The driest month (with the least rainfall) is July (0.63").
Average rainfall days in June
Alton, ID
- Average rainfall days in June: 10.9 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (6 days).
Average snowfall in June
Alton, ID
- Average snowfall in June: 0.08"
The month with the highest snowfall is February (18.39").
The months with the least snowfall are July and August (0").
Average snowfall days in June
Alton, ID
- Average snowfall days in June: 0.4 days
The month with the highest number of snowfall days is December (21.6 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in June /
Average sunshine in June
Alton, ID
- 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: 11h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in June
Alton, ID
- Average sunshine days in June: 16.2 days
The month with the most sunshine days is July (18.8 days).
The month with the least sunshine days is February (6.8 days).
Average UV index in June
Alton, ID
- Average UV index in June: 5
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in June
Alton, ID
- Average cloud cover in June: 19
The month with the most cloud cover is February (Cloud cover 62).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility in June
Alton, ID
- Average visibility in June: 6mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January and February (3mi).
Alton, Idaho, USA
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