June weather forecastJoliett, PA
June
Weather in June
The first month of the summer, June, is a warm month in Joliett, Pennsylvania, with an average temperature fluctuating between 57°F (13.9°C) and 76.5°F (24.7°C).Temperature
Joliett experiences a minor temperature shift with the start of June, with average high-temperatures moving from an agreeable 68.5°F (20.3°C) in May to a warm 76.5°F (24.7°C). Throughout the month of June, Joliett expects an average low of 57°F (13.9°C).Humidity
In Joliett, the average relative humidity in June is 81%.Rainfall
In Joliett, in June, during 14.3 rainfall days, 1.3" (33mm) of precipitation is typically accumulated. In Joliett, during the entire year, the rain falls for 133.5 days and collects up to 15.16" (385mm) of precipitation.Snowfall
In Joliett, snow does not fall in June through September.Daylight
With an average of 15h and 0min of daylight, June has the longest days of the year.On the first day of the month, sunrise is at 5:36 am and sunset at 8:30 pm. On the last day of June, sunrise is at 5:38 am and sunset at 8:40 pm EDT.
Sunshine
In June, the average sunshine is 9.6h.UV index
June and July, with an average maximum UV index of 6, are months with the highest UV index in Joliett. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index, 6 in June, converts into the following recommendations:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Joliett, PA
- Average high temperature in June: 76.5°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in June: 57°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in June
Joliett, 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
Joliett, PA
- Average wind speed in June: 6mph
The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in June
Joliett, PA
- Average humidity in June: 81%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are March and April (77%).
Average rainfall in June
Joliett, PA
- Average rainfall in June: 1.3"
The wettest month (with the highest rainfall) is August (1.93").
The driest month (with the least rainfall) is February (0.83").
Average rainfall days in June
Joliett, PA
- Average rainfall days in June: 14.3 days
The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in June
Joliett, PA
- Average snowfall in June: 0"
The month with the highest snowfall is January (1.77").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in June
Joliett, PA
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (6.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in June /
Average sunshine in June
Joliett, 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 36min
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
Joliett, PA
- Average sunshine days in June: 13.3 days
The month with the most sunshine days is January (20.8 days).
The month with the least sunshine days is May (12.7 days).
Average UV index in June
Joliett, 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
Joliett, PA
- Average cloud cover in June: 38
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in June
Joliett, PA
- Average visibility in June: 6mi
The months with the highest visibility are January, March, April, June, November and December (6mi).
The months with the lowest visibility are February, May, July, August, September and October (5mi).





