Climate and monthly weather forecast
Slate Run, PA

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Weather in January

January, the same as December, in Slate Run, Pennsylvania, is another subzero cold winter month, with an average temperature ranging between max 29.3°F (-1.5°C) and min 17.1°F (-8.3°C). The coldest period tends to be January, when average temperatures fluctuate between a high of 29.3°F (-1.5°C) and a low of 17.1°F (-8.3°C). Weather in January »

Weather in February

February, the last month of the winter in Slate Run, is a wintry month, with an average temperature fluctuating between 33.3°F (0.7°C) and 18.9°F (-7.3°C). The advent of February sees the average high-temperature at a wintry 33.3°F (0.7°C), subtly shifted from January's 29.3°F (-1.5°C). Weather in February »

Weather in March

The first month of the spring, March, is still a cold month in Slate Run, Pennsylvania, with an average temperature ranging between min 26.1°F (-3.3°C) and max 42.3°F (5.7°C). Slate Run's transition into March is marked by a rise in the average high-temperature, advancing from a wintry 33.3°F (0.7°C) in February to a still cold 42.3°F (5.7°C). Weather in March »

Weather in April

April in Slate Run, Pennsylvania, is a fresh spring month, with temperature in the range of an average high of 54.3°F (12.4°C) and an average low of 36°F (2.2°C). April's arrival signals an increase in average high-temperatures, moving from March's icy 42.3°F (5.7°C) to a fresh 54.3°F (12.4°C). Weather in April »

Weather in May

The last month of the spring, May, is an enjoyable month in Slate Run, Pennsylvania, with an average temperature ranging between min 46.4°F (8°C) and max 67.5°F (19.7°C). The arrival of May signals an increase in the average high-temperature, moving from a fresh 54.3°F (12.4°C) in April to a comfortable 67.5°F (19.7°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Slate Run, Pennsylvania, with an average temperature ranging between max 75.2°F (24°C) and min 52.7°F (11.5°C). June's onset is marked by a subtle temperature increase, moving from an enjoyable 67.5°F (19.7°C) in May to a moderately hot 75.2°F (24°C). Weather in June »

Weather in July

July, like June, in Slate Run, Pennsylvania, is a moderately hot summer month, with an average temperature varying between 80.4°F (26.9°C) and 57.4°F (14.1°C). Slate Run reaches its highest average temperatures in July, measuring 80.4°F (26.9°C) at the peak and 57.4°F (14.1°C) at the lowest. Weather in July »

Weather in August

August, the last month of the summer in Slate Run, is another warm month, with an average temperature ranging between max 77.7°F (25.4°C) and min 55°F (12.8°C). Entering August, the average high-temperature is recorded at a still warm 77.7°F (25.4°C), exhibiting a minimal shift from July's 80.4°F (26.9°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a pleasant month in Slate Run, Pennsylvania, with an average temperature ranging between min 49.8°F (9.9°C) and max 70.7°F (21.5°C). During the shift to September, a minor reduction in average high-temperature is observed, shifting from a moderately hot 77.7°F (25.4°C) in August to an agreeable 70.7°F (21.5°C). Weather in September »

Weather in October

October, the same as September, in Slate Run, Pennsylvania, is another refreshing autumn month, with an average temperature ranging between max 58.1°F (14.5°C) and min 41.9°F (5.5°C). October's onset brings a reduction in the average high-temperature, from an agreeable 70.7°F (21.5°C) in September to a moderate 58.1°F (14.5°C). Weather in October »

Weather in November

November, the last month of the autumn in Slate Run, is also a frosty month, with an average temperature varying between 31.1°F (-0.5°C) and 44.6°F (7°C). The move into November indicates a reduction in the average high-temperature, down from October's mild 58.1°F (14.5°C) to a chilly 44.6°F (7°C). Weather in November »

Weather in December

December, the first month of the winter in Slate Run, is also an icy month, with an average temperature varying between 35.2°F (1.8°C) and 25°F (-3.9°C). December's onset brings a slight change in high-temperatures, falling from a chilly 44.6°F (7°C) in November to a cold 35.2°F (1.8°C). Weather in December »
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Frequently asked questions

What part of the year is the coldest in Slate Run?

Slate Run reaches its average lowest temperatures in January, measuring 29.3°F (-1.5°C) at the peak and 17.1°F (-8.3°C) at the lowest.

How many days does it rain in Slate Run?

Throughout the year, in Slate Run, Pennsylvania, there are 168.8 rainfall days, and 32.56" (827mm) of precipitation is accumulated.

When does it snow in Slate Run?

January through May, October through December are months with snowfall.

How many days does it snow in Slate Run?

Throughout the year, in Slate Run, there are 71.6 snowfall days, and 35.47" (901mm) of snow is accumulated.

What are the months with the least sunshine in Slate Run?

January and December, with an average of 3h of sunshine, are months with the least sunshine in Slate Run.

When is the lowest UV index in Slate Run?

January and December, with an average maximum UV index of 1, are months with the lowest UV index in Slate Run, Pennsylvania.

What is the most humid month in Slate Run?

The most humid month in Slate Run, Pennsylvania, is February, with an average relative humidity of 86%.

What is the snowiest month in Slate Run?

The month with the most snowfall in Slate Run, Pennsylvania, is February, when snow falls for 16.5 days and typically aggregates up to 9.84" (250mm) of snow.

When is Daylight Saving Time (DST) in Slate Run?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Slate Run, Pennsylvania, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.

What is the rainiest month in Slate Run?

April is the month with the most rainfall in Slate Run. Rain falls for 17.8 days and accumulates 3.7" (94mm) of precipitation.

What are the months with the highest UV index in Slate Run?

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

When it does not snow in Slate Run?

In Slate Run, Pennsylvania, snow does not fall in June through September.

When are the longest days in Slate Run?

With an average of 15h and 6min of daylight, June has the longest days of the year in Slate Run, Pennsylvania.

What are the warmest months in Slate Run?

With average high temperatures of 80.4°F (26.9°C) and lows of 57.4°F (14.1°C), July is the warmest month in Slate Run.

What is the least humid month in Slate Run?

The least humid month in Slate Run is July, with an average relative humidity of 77%.

What month has the most sunshine in Slate Run?

The month with the most sunshine in Slate Run is July, with an average of 9.5h of sunshine.

What is the driest month in Slate Run?

The month with the least rainfall is November, when the rain falls for 11.2 days and typically collects 2.13" (54mm) of precipitation.

What is the month with the shortest days in Slate Run?

The month with the shortest days in Slate Run, Pennsylvania, is December, with an average of 9h and 12min of daylight.

Average temperature
Slate Run, PA

Average temperature - Slate Run, PA

The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (29.3°F).

The month with the highest average low temperature is July (57.4°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).

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Average pressure
Slate Run, PA

Average pressure - Slate Run, PA

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
Slate Run, PA

Average wind speed - Slate Run, PA

The windiest month (with the highest average wind speed) is January (8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

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Average rainfall
Slate Run, PA

Average rainfall - Slate Run, PA

The wettest month (with the highest rainfall) is April (3.7").
The driest month (with the least rainfall) is November (2.13").

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Average rainfall days
Slate Run, PA

Average rainfall days - Slate Run, PA

The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is February (8.4 days).

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Average snowfall
Slate Run, PA

Average snowfall - Slate Run, PA

The month with the highest snowfall is February (9.84").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Slate Run, PA

Average snowfall days - Slate Run, PA

The month with the highest number of snowfall days is January (17.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Slate Run, PA

Average daylight / Average sunshine - Slate Run, PA

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 12min).

The month with the most sunshine is July (Average sunshine: 9h and 30min).
The months with the least sunshine are January and December (Average sunshine: 3h and 0min).

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Average sunshine days
Slate Run, PA

Average sunshine days - Slate Run, PA

The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is February (7.9 days).

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Average UV index
Slate Run, PA

Average UV index - Slate Run, PA

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

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Average visibility
Slate Run, PA

Average visibility - Slate Run, PA

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

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Slate Run, Pennsylvania, USA

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