June weather forecastMount Joy, PA

June

Weather in June

The first month of the summer, June, is a moderately hot month in Mount Joy, Pennsylvania, with temperature in the range of an average high of 77.5°F (25.3°C) and an average low of 59.2°F (15.1°C).

Temperature

With the transition into June, Mount Joy experiences a subtle uplift in average high-temperatures, adjusting from an agreeable 70°F (21.1°C) in May to a moderately hot 77.5°F (25.3°C). Throughout June, Mount Joy anticipates an average low-temperature of 59.2°F (15.1°C).

Humidity

In June, the average relative humidity is 80%.

Rainfall

In Mount Joy, in June, during 14.3 rainfall days, 1.38" (35mm) of precipitation is typically accumulated. Throughout the year, there are 132.7 rainfall days, and 15.35" (390mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall.

Daylight

The month with the longest days is June, with an average of 15h and 0min of daylight.
On the first day of the month, sunrise is at 5:38 am and sunset at 8:29 pm. On the last day of June, sunrise is at 5:40 am and sunset at 8:39 pm EDT.

Sunshine

The average sunshine in June is 9.9h.

UV index

The months with the highest UV index in Mount Joy are June and July, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: The average daily UV index of 6 in June transforms into the following instructions:
Stay clear of intense sun exposure. Solar protection is of utmost significance. 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. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.

Frequently asked questions

The high-temperature, in June, in Mount Joy, is 77.5°F (25.3°C), while the low-temperature averages to 59.2°F (15.1°C).

In Mount Joy, the average relative humidity in June is 80%.

In Mount Joy, during June, the rain falls for 14.3 days and regularly aggregates up to 1.38" (35mm) of precipitation.

In Mount Joy, snow does not fall in May through September.

June has the longest days of the year, with an average of 15h and 0min of daylight.

In June, the average day length in Mount Joy is 14h and 59min.

In June, on the first day of the month, sunrise is at 5:38 am and sunset at 8:29 pm. On the last day of the month, sunrise is at 5:40 am and sunset at 8:39 pm EDT.

In June, the average sunshine duration is 9.9h.

June and July, with an average maximum UV index of 6, are months with the highest UV index.

In June, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in June
Mount Joy, PA

  • Average high temperature in June: 77.5°F

The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (35.1°F).

  • Average low temperature in June: 59.2°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).

Average pressure in June
Mount Joy, 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
Mount Joy, PA

  • Average wind speed in June: 6.1mph

The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

Average humidity in June
Mount Joy, PA

  • Average humidity in June: 80%

The month with the highest relative humidity is May (81%).
The months with the lowest relative humidity are March and April (76%).

Average rainfall in June
Mount Joy, PA

  • Average rainfall in June: 1.38"

The wettest month (with the highest rainfall) is August (1.97").
The driest month (with the least rainfall) is September (0.91").

Average rainfall days in June
Mount Joy, PA

  • Average rainfall days in June: 14.3 days

The month with the highest number of rainy days is May (15.7 days).
The months with the least rainy days are January and November (6.6 days).

Average snowfall in June
Mount Joy, PA

  • Average snowfall in June: 0"

The month with the highest snowfall is January (2.13").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in June
Mount Joy, PA

  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is January (5.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in June /
Average sunshine in June
Mount Joy, 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 24min).

  • Average sunshine in June: 9h and 54min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days in June
Mount Joy, PA

  • Average sunshine days in June: 12.8 days

The month with the most sunshine days is November (21.4 days).
The month with the least sunshine days is July (11.8 days).

Average UV index in June
Mount Joy, 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
Mount Joy, PA

  • Average cloud cover in June: 35

The months with the most cloud cover are February and December (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 31).

Average visibility in June
Mount Joy, PA

  • Average visibility in June: 6mi

The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).