June weather forecastSaint Johns, PA
June
Weather in June
The first month of the summer, June, is a moderately hot month in Saint Johns, Pennsylvania, with an average temperature varying between 54.9°F (12.7°C) and 74.8°F (23.8°C).Temperature
In Saint Johns, the average high-temperature in June slightly rises, from a comfortable 67.1°F (19.5°C) in May, to a warm 74.8°F (23.8°C). Saint Johns records a consistent low-temperature of 54.9°F (12.7°C) during June nights.Humidity
In Saint Johns, the average relative humidity in June is 80%.Rainfall
In Saint Johns, in June, during 10.8 rainfall days, 0.91" (23mm) of precipitation is typically accumulated. Throughout the year, there are 111.5 rainfall days, and 11.34" (288mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
With an average of 15h and 6min of daylight, June has the longest days of the year.On the first day of June, sunrise is at 5:33 am and sunset at 8:30 pm. On the last day of the month, sunrise is at 5:35 am and sunset at 8:40 pm EDT.
Sunshine
In June, the average sunshine is 9.1h.UV index
The average daily maximum UV index in June is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: A daily high UV index of 5 in June leads to these guidelines:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Saint Johns, PA
- Average high temperature in June: 74.8°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in June: 54.9°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in June
Saint Johns, 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
Saint Johns, PA
- Average wind speed in June: 6.1mph
The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in June
Saint Johns, PA
- Average humidity in June: 80%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is April (78%).
Average rainfall in June
Saint Johns, PA
- Average rainfall in June: 0.91"
The wettest month (with the highest rainfall) is May (1.26").
The driest month (with the least rainfall) is September (0.55").
Average rainfall days in June
Saint Johns, PA
- Average rainfall days in June: 10.8 days
The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is January (5.4 days).
Average snowfall in June
Saint Johns, PA
- Average snowfall in June: 0"
The month with the highest snowfall is February (1.81").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in June
Saint Johns, PA
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (9.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in June /
Average sunshine in June
Saint Johns, PA
- Average daylight in June: 15h and 6min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in June: 9h and 6min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in June
Saint Johns, PA
- Average sunshine days in June: 16 days
The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is May (14.3 days).
Average UV index in June
Saint Johns, PA
- Average UV index in June: 5
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in June
Saint Johns, PA
- Average cloud cover in June: 43
The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is July (Cloud cover 37).
Average visibility in June
Saint Johns, PA
- Average visibility in June: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
