June weather forecastGreencastle, PA
June
Weather in June
The first month of the summer, June, is a warm month in Greencastle, Pennsylvania, with an average temperature ranging between min 58.6°F (14.8°C) and max 79.5°F (26.4°C).Temperature
Observing a minor shift, the average high-temperature during June adjusts from May's agreeable 71.2°F (21.8°C) to a warm 79.5°F (26.4°C). Greencastle temperatures generally rest at a low of 58.6°F (14.8°C) during the June nights.Humidity
In Greencastle, the average relative humidity in June is 76%.Rainfall
In June, the rain falls for 15.8 days. Throughout June, 2.56" (65mm) of precipitation is accumulated. Throughout the year, there are 161.8 rainfall days, and 28.07" (713mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
June has the longest days of the year, with an average of 14h and 54min of daylight.On the first day of June, sunrise is at 5:44 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 5:46 am and sunset at 8:43 pm EDT.
Sunshine
The average sunshine in June is 10h.UV index
The months with the highest UV index are May through July, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the average person.Note: In June, a daily maximum UV index of 6 leads to the following instructions:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Greencastle, PA
- Average high temperature in June: 79.5°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (35.4°F).
- Average low temperature in June: 58.6°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in June
Greencastle, PA
- 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
Greencastle, PA
- Average wind speed in June: 5.5mph
The windiest month (with the highest average wind speed) is January (7.7mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in June
Greencastle, PA
- Average humidity in June: 76%
The months with the highest relative humidity are February, May, October and December (79%).
The months with the lowest relative humidity are April and July (75%).
Average rainfall in June
Greencastle, PA
- Average rainfall in June: 2.56"
The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is January (1.85").
Average rainfall days in June
Greencastle, PA
- Average rainfall days in June: 15.8 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is November (9 days).
Average snowfall in June
Greencastle, PA
- Average snowfall in June: 0"
The month with the highest snowfall is January (4.53").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in June
Greencastle, PA
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (8.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in June /
Average sunshine in June
Greencastle, PA
- Average daylight in June: 14h and 54min
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 24min).
- Average sunshine in June: 10h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in June
Greencastle, PA
- Average sunshine days in June: 12.3 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (10.4 days).
Average UV index in June
Greencastle, PA
- Average UV index in June: 6
The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in June
Greencastle, PA
- Average cloud cover in June: 35
The months with the most cloud cover are January, February and December (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in June
Greencastle, PA
- Average visibility in June: 6mi
The months with the highest visibility are April, June, July, August and November (6mi).
The months with the lowest visibility are January, February, March, May, September, October and December (5mi).
