June weather forecastJonestown, PA
June
Weather in June
June, the first month of the summer in Jonestown, is a moderately hot month, with an average temperature ranging between min 57.7°F (14.3°C) and max 76.6°F (24.8°C).Temperature
June's onset brings a subtle temperature rise, moving from a pleasant 68.7°F (20.4°C) in May to a warm 76.6°F (24.8°C). Jonestown experiences an average low-temperature reading of 57.7°F (14.3°C) throughout June.Humidity
February, May, June and October, with an average relative humidity of 81%, are the most humid months.Rainfall
In Jonestown, in June, during 16.8 rainfall days, 2.8" (71mm) of precipitation is typically accumulated. In Jonestown, Pennsylvania, during the entire year, the rain falls for 166.3 days and collects up to 34.53" (877mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
With an average of 15h and 0min of daylight, June has the longest days of the year.On the first day of June, sunrise is at 5:37 am and sunset at 8:30 pm. On the last day of the month, sunrise is at 5:39 am and sunset at 8:40 pm EDT.
Sunshine
The average sunshine in June is 9.5h.UV index
With an average maximum UV index of 6, June is the month with the highest UV index. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the ordinary person.Note: In June, the maximum UV index of 6 transforms into these recommendations:
Deter overexposure. Protecting against the sun's effects is essential. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Jonestown, PA
- Average high temperature in June: 76.6°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.6°F).
- Average low temperature in June: 57.7°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).
Average pressure in June
Jonestown, PA
- Average pressure in June: 29.94"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in June
Jonestown, PA
- Average wind speed in June: 6mph
The windiest month (with the highest average wind speed) is March (8.7mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in June
Jonestown, PA
- Average humidity in June: 81%
The months with the highest relative humidity are February, May, June and October (81%).
The month with the lowest relative humidity is April (76%).
Average rainfall in June
Jonestown, PA
- Average rainfall in June: 2.8"
The wettest months (with the highest rainfall) are May and July (3.58").
The driest month (with the least rainfall) is September (2.32").
Average rainfall days in June
Jonestown, PA
- Average rainfall days in June: 16.8 days
The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is January (9.1 days).
Average snowfall in June
Jonestown, PA
- Average snowfall in June: 0"
The month with the highest snowfall is January (5.08").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in June
Jonestown, PA
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (10.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in June /
Average sunshine in June
Jonestown, 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 12min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days in June
Jonestown, PA
- Average sunshine days in June: 11.5 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is May (10.1 days).
Average UV index in June
Jonestown, PA
- Average UV index in June: 6
The month with the highest UV index is June (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
Jonestown, PA
- Average cloud cover in June: 38
The months with the most cloud cover are February and December (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in June
Jonestown, PA
- Average visibility in June: 6mi
The months with the highest visibility are March, April, June, July and November (6mi).
The months with the lowest visibility are January, February, May, August, September, October and December (5mi).





