June weather forecast
Slippery Rock, PA

Weather in June

The first month of the summer, June, is a moderately hot month in Slippery Rock, Pennsylvania, with average temperature fluctuating between 55.9°F (13.3°C) and 76.8°F (24.9°C).

Temperature

In Slippery Rock, the average high-temperature in June slightly increases, from an agreeable 70.2°F (21.2°C) in May, to a warm 76.8°F (24.9°C). In Slippery Rock, in June, the average low-temperature is 55.9°F (13.3°C).

Humidity

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

Rainfall

In Slippery Rock, during June, the rain falls for 17.8 days and regularly aggregates up to 3.66" (93mm) of precipitation. In Slippery Rock, during the entire year, the rain falls for 177.8 days and collects up to 36.65" (931mm) of precipitation.

Snowfall

June through September are months without snowfall in Slippery Rock.

Daylight

With an average of 15.1h of daylight, June has the longest days of the year.

Sunshine

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

UV index

May through August, with an average maximum UV index of 5, are months with the highest UV index in Slippery Rock. A UV Index reading of 3 to 5 represents a medium vulnerability from the exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 5 in June transform into the following instructions:
Take precautions - Protection against the skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the least humid month in Slippery Rock?

Months with the lowest humidity in Slippery Rock, Pennsylvania, are April through August, with an average relative humidity of 79%.

What is the average humidity in June in Slippery Rock?

In Slippery Rock, the average relative humidity in June is 79%.

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

In June, in Slippery Rock, the rain falls for 17.8 days. Throughout June, 3.66" (93mm) 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, in Slippery Rock, Pennsylvania, it doesn't snow. May is the latest month when it typically snows.

When are the longest days in Slippery Rock?

The month with the longest days in Slippery Rock is June, with an average of 15.1h of daylight.

What is the average length of the day in June in Slippery Rock?

In Slippery Rock, the average length of the day in June is 15.1h.

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

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

What are the months with the highest UV index in Slippery Rock?

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

What is the UV index intensity in June in Slippery Rock?

The average daily maximum UV index in June in Slippery Rock is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to the Sun's UV rays.

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"

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

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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%).
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").
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).
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: 15.1h

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in June: 8.8h

Months with the most sunshine are July and August (Average sunshine: 9.7h).
The month with the least sunshine is January (Average sunshine: 2.3h).

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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

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

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

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