June weather forecast
Slippery Rock, PA

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Weather in June

The first month of the summer, June, is a warm month in Slippery Rock, Pennsylvania, with an average temperature fluctuating between 55.9°F and 76.8°F.

Temperature

The start of June is characterized by a subtle increase in the average high-temperature, transitioning from a pleasant 70.2°F in May to a warm 76.8°F. June sees the temperature falling to a mean low of 55.9°F.

Humidity

The months with the lowest humidity are April through August, with an average relative humidity of 79%.

Rainfall

In Slippery Rock, in June, during 17.8 rainfall days, 3.66" of precipitation is typically accumulated. In Slippery Rock, during the entire year, the rain falls for 177.8 days and collects up to 36.65" of precipitation.

Snowfall

In Slippery Rock, snow does not fall in June through September.

Daylight

The month with the longest days is June, with an average of 15h and 6min of daylight.
On the first day of June, sunrise is at 5:50 am and sunset at 8:46 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 8:56 pm EDT.

Sunshine

In Slippery Rock, the average sunshine in June is 8.8h.

UV index

The months with the highest UV index in Slippery Rock are May through August, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: A daily maximum UV index of 5 in June translates into the following instructions:
Take necessary precautions - Protection from skin and eye injury is mandatory. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
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FAQ

What is the average June temperature in Slippery Rock?

The high-temperature in Slippery Rock, Pennsylvania, during June is 76.8°F and the low-temperature is 55.9°F.

What is the least humid month in Slippery Rock?

April through August, with an average relative humidity of 79%, are the least humid months.

What is the average humidity in June in Slippery Rock?

The average relative humidity in June in Slippery Rock is 79%.

How many days does it rain in June in Slippery Rock?

In June, the rain falls for 17.8 days. Throughout June, 3.66" of precipitation is accumulated.

When it does not snow in Slippery Rock?

June through September are months without snowfall in Slippery Rock.

Does it snow in Slippery Rock in June?

In June, it doesn't snow. May is the latest month when it typically snows.

When are the longest days in Slippery Rock?

June has the longest days of the year in Slippery Rock, with an average of 15h and 6min of daylight.

How many hours of daylight does Slippery Rock have in June?

The average day length in June in Slippery Rock is 15h and 5min.

When is the sunrise / sunset in June in Slippery Rock?

On the first day of June in Slippery Rock, sunrise is at 5:50 am and sunset at 8:46 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 8:56 pm EDT.

How long on average sun shines in June in Slippery Rock?

The average sunshine duration in June in Slippery Rock is 8.8h.

What is the month with the highest UV index in Slippery Rock?

The months with the highest UV index in Slippery Rock are May through August, with an average maximum UV index of 5.

How high is the UV index in June in Slippery Rock?

In Slippery Rock, Pennsylvania, the average daily maximum UV index in June is 5. A UV Index value of 3 to 5 symbolizes a moderate 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in June
Slippery Rock, PA

Average temperature in June - Slippery Rock, PA
  • Average high temperature in June: 76.8°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.3°F).

  • Average low temperature in June: 55.9°F

The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).

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Average pressure in June
Slippery Rock, PA

Average pressure in June - Slippery Rock, PA
  • Average pressure in June: 29.94"Hg

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in June
Slippery Rock, PA

Average wind speed in June - Slippery Rock, PA
  • Average wind speed in June: 6mph

The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).

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Average humidity in June
Slippery Rock, PA

Average humidity in June - Slippery Rock, PA
  • Average humidity in June: 79%

The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are April, May, June, July and August (79%).

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Average rainfall in June
Slippery Rock, PA

Average rainfall in June - Slippery Rock, PA
  • Average rainfall in June: 3.66"

The wettest month (with the highest rainfall) is April (3.74").
The driest month (with the least rainfall) is November (2.36").

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Average rainfall days in June
Slippery Rock, PA

Average rainfall days in June - Slippery Rock, PA
  • Average rainfall days in June: 17.8 days

The month with the highest number of rainy days is May (19.8 days).
The month with the least rainy days is January (8.1 days).

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Average snowfall in June
Slippery Rock, PA

Average snowfall in June - Slippery Rock, PA
  • Average snowfall in June: 0"

The month with the highest snowfall is January (8.54").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in June
Slippery Rock, PA

Average snowfall days in June - Slippery Rock, PA
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is January (19.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in June /
Average sunshine in June
Slippery Rock, PA

Average daylight in June / Average sunshine in June - Slippery Rock, PA
  • Average daylight in June: 15h and 1min

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: 8h and 5min

The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).

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Average sunshine days in June
Slippery Rock, PA

Average sunshine days in June - Slippery Rock, PA
  • Average sunshine days in June: 11.1 days

The month with the most sunshine days is November (13.1 days).
The month with the least sunshine days is February (6.3 days).

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Average UV index in June
Slippery Rock, PA

Average UV index in June - Slippery Rock, PA
  • Average UV index in June: 5

The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in June
Slippery Rock, PA

Average cloud cover in June - Slippery Rock, PA
  • Average cloud cover in June: 44

The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is August (Cloud cover 38).

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Average visibility in June
Slippery Rock, PA

Average visibility in June - Slippery Rock, PA
  • Average visibility in June: 5mi

The months with the highest visibility are March, April, May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February and December (4mi).

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Slippery Rock, Pennsylvania, USA

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