June weather forecastAllentown, PA
June
Weather in June
June sees the culmination of spring and the commencement of summer in Allentown. The city witnesses a dip in rain yet sunlight fills the most extended days of the year, making it an excellent period for outdoor endeavors. Pleasantly warm temperatures attract picnickers to parks and outdoor enthusiasts to local trails. Compared to May, the weather operations show lesser rainfall and higher sunshine hours, helping in boosting local outdoor events and activities.Temperature
June sees a marginal temperature increase, moving from an agreeable 69.4°F (20.8°C) in May to a moderately hot 77.5°F (25.3°C). The average low-temperature during June nights is a moderate 58.1°F (14.5°C).Humidity
In Allentown, the average relative humidity in June is 78%.Rainfall
In Allentown, during June, the rain falls for 15.6 days and regularly aggregates up to 2.32" (59mm) of precipitation. Throughout the year, there are 145.1 rainfall days, and 27.24" (692mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
June has the longest days of the year, with an average of 15h and 0min of daylight.On the first day of June, sunrise is at 5:32 am and sunset at 8:26 pm. On the last day of the month, sunrise is at 5:34 am and sunset at 8:36 pm EDT.
Sunshine
The average sunshine in June is 9.5h.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 threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In June, the average maximum UV index of 6 translates into the following recommendations:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Allentown, PA
- Average high temperature in June: 77.5°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (34°F).
- Average low temperature in June: 58.1°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 (21.6°F).
Average pressure in June
Allentown, PA
- Average pressure in June: 29.94"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in June
Allentown, PA
- Average wind speed in June: 5.8mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in June
Allentown, PA
- Average humidity in June: 78%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are April and July (76%).
Average rainfall in June
Allentown, PA
- Average rainfall in June: 2.32"
The wettest month (with the highest rainfall) is July (3.03").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days in June
Allentown, PA
- Average rainfall days in June: 15.6 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (6.7 days).
Average snowfall in June
Allentown, PA
- Average snowfall in June: 0"
The month with the highest snowfall is March (4.37").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in June
Allentown, PA
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is February (6.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in June /
Average sunshine in June
Allentown, PA
- Average daylight in June: 15h and 0min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in June: 9h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in June
Allentown, PA
- Average sunshine days in June: 12.4 days
The month with the most sunshine days is January (20.5 days).
The month with the least sunshine days is May (11.8 days).
Average UV index in June
Allentown, PA
- 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, March, November and December (UV index 2).
Average cloud cover in June
Allentown, PA
- Average cloud cover in June: 40
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in June
Allentown, PA
- Average visibility in June: 5mi
The months with the highest visibility are April, July and November (6mi).
The months with the lowest visibility are January, February, March, May, June, August, September, October and December (5mi).
