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
June brings a slight elevation in the average high-temperature, transitioning from May's warm 73.9°F (23.3°C) to a still moderately hot 81.7°F (27.6°C). In Glenallen, June is marked by an average low-temperature of 63.9°F (17.7°C).Heat index
The average heat index in June is appraised at a tropical 86°F (30°C). Persisting in activity during exposure could lead to weariness and subsequently to heat cramps.Evaluating the heat index requires understanding its values in the shade and with gentle winds. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', quantifies the warmth felt when relative humidity is considered. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.
Humidity
In June, the average relative humidity is 73%.Rainfall
In Glenallen, in June, during 15.6 rainfall days, 2.68" (68mm) of precipitation is typically accumulated. In Glenallen, during the entire year, the rain falls for 160.9 days and collects up to 32.99" (838mm) of precipitation.Snowfall
In Glenallen, snow does not fall in May through October.Daylight
The month with the longest days is June, with an average of 14h and 54min of daylight.On the first day of the month, sunrise is at 5:43 am and sunset at 8:28 pm. On the last day of June, sunrise is at 5:45 am and sunset at 8:38 pm EDT.
Sunshine
In Glenallen, the average sunshine in June is 10.2h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the average person.Note: In June, a daily UV index of 6 turns into the following recommendations:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average June temperature?
What is the average humidity in June?
How much does it rain in June?
When it does not snow?
When are the longest days?
How many hours of daylight does Glenallen have in June?
When is the sunrise / sunset in June?
How many hours of sunshine does Glenallen have in June?
What is the month with the highest UV index?
What is the UV index reading in June in Glenallen?
Average temperature in June
Glenallen, MD
- Average high temperature in June: 81.7°F
The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (39°F).
- Average low temperature in June: 63.9°F
The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).
Average pressure in June
Glenallen, MD
- Average pressure in June: 29.95"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in June
Glenallen, MD
- Average wind speed in June: 6mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in June
Glenallen, MD
- Average humidity in June: 73%
The months with the highest relative humidity are May, October and December (76%).
The month with the lowest relative humidity is July (70%).
Average rainfall in June
Glenallen, MD
- Average rainfall in June: 2.68"
The wettest month (with the highest rainfall) is August (4.13").
The driest month (with the least rainfall) is January (2.17").
Average rainfall days in June
Glenallen, MD
- Average rainfall days in June: 15.6 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is November (8.8 days).
Average snowfall in June
Glenallen, MD
- Average snowfall in June: 0"
The months with the highest snowfall are January and March (3.03").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in June
Glenallen, MD
- Average snowfall days in June: 0 days
The months with the highest number of snowfall days are January and February (5.1 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
Glenallen, MD
- Average daylight in June: 14h and 5min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in June: 10h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in June
Glenallen, MD
- Average sunshine days in June: 13 days
The month with the most sunshine days is November (19.4 days).
The months with the least sunshine days are May and July (11 days).
Average UV index in June
Glenallen, MD
- Average UV index in June: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, November and December (UV index 2).
Average cloud cover in June
Glenallen, MD
- Average cloud cover in June: 33
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in June
Glenallen, MD
- Average visibility in June: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Glenallen, Maryland, USA
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