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
In June, the meteorological conditions subtly change with the average high-temperature edging from a warm 78.3°F (25.7°C) in May to a hot 86.4°F (30.2°C). June nights in Alton, Virginia, bring a pronounced temperature shift, with averages hovering around an enjoyable 64.6°F (18.1°C).Heat index
During June, the heat index is calculated to be a torrid 96.8°F (36°C). Ensure extra safety measures, heat exhaustion and heat cramps are likely. Continuous activity might result in heatstroke.Given the heat index, its values are aligned with shaded sites and gentle winds. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', melds the effects of warmth and moisture to generate a feeling of heat. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.
Evaporating sweat, thanks to perspiration, acts as a natural air conditioner for the human body. When there is an excess of moisture in the atmosphere, the efficiency of the evaporation process is lessened, leading to less efficient body cooling and a sensation of overheating. Excessive heat gain, when not shed effectively by the body, can result in increasing body temperatures and related hazards.
Humidity
The average relative humidity in June in Alton is 71%.Rainfall
In June, the rain falls for 14.1 days. Throughout June, 2.24" (57mm) of precipitation is accumulated. Throughout the year, in Alton, there are 157.9 rainfall days, and 29.57" (751mm) of precipitation is accumulated.Snowfall
In Alton, snow does not fall in May through October.Daylight
The month with the longest days in Alton is June, with an average of 14h and 36min of daylight.On the first day of June in Alton, sunrise is at 5:58 am and sunset at 8:29 pm. On the last day of the month, sunrise is at 6:01 am and sunset at 8:38 pm EDT.
Sunshine
With an average of 10.7h of sunshine, June has the most sunshine of the year in Alton.UV index
In June, the average daily maximum UV index in Alton is 6. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the average person.Note: A daily maximum UV index of 6 in June translates into the following instructions:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in Alton in June?
What is the average humidity in June in Alton?
How much does it rain in Alton in June?
When it does not snow in Alton?
When are the longest days in Alton?
How many hours of daylight does Alton have in June?
What time are sunrise and sunset in June in Alton?
What month has the most sunshine in Alton?
How long on average sun shines in June in Alton?
How high is the UV index in June in Alton?
Average temperature in June
Alton, VA
- Average high temperature in June: 86.4°F
The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (45.5°F).
- Average low temperature in June: 64.6°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (30.4°F).
Average pressure in June
Alton, VA
- Average pressure in June: 29.97"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in June
Alton, VA
- Average wind speed in June: 5.4mph
The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in June
Alton, VA
- Average humidity in June: 71%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (69%).
Average rainfall in June
Alton, VA
- Average rainfall in June: 2.24"
The wettest month (with the highest rainfall) is May (2.95").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in June
Alton, VA
- Average rainfall days in June: 14.1 days
The months with the highest number of rainy days are May and July (17.3 days).
The month with the least rainy days is November (9.2 days).
Average snowfall in June
Alton, VA
- Average snowfall in June: 0"
The month with the highest snowfall is January (2.48").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in June
Alton, VA
- Average snowfall days in June: 0 days
The months with the highest number of snowfall days are January and February (3.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in June /
Average sunshine in June
Alton, VA
- Average daylight in June: 14h and 4min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in June: 10h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in June
Alton, VA
- Average sunshine days in June: 14 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is May (11.8 days).
Average UV index in June
Alton, VA
- Average UV index in June: 6
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in June
Alton, VA
- Average cloud cover in June: 31
The month with the most cloud cover is March (Cloud cover 43).
The months with the least cloud cover are June and July (Cloud cover 31).
Average visibility in June
Alton, VA
- Average visibility in June: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
Alton, Virginia, USA
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