Climate and monthly weather forecast
East William Penn, PA

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Weather in January

January, like December, is a freezing cold winter month in East William Penn, Pennsylvania, with an average temperature varying between 31.8°F (-0.1°C) and 19.6°F (-6.9°C). January is the month when East William Penn sees the lowest average temperatures, with a high of 31.8°F (-0.1°C) and a low of 19.6°F (-6.9°C). Weather in January »

Weather in February

The last month of the winter, February, is a wintry month in East William Penn, Pennsylvania, with temperature in the range of an average high of 35.6°F (2°C) and an average low of 21.9°F (-5.6°C). February's advent denotes a minor fluctuation in the average high-temperature to a wintry 35.6°F (2°C) from January's 31.8°F (-0.1°C). Weather in February »

Weather in March

March, the first month of the spring in East William Penn, is a chilly month, with temperature in the range of an average high of 44.6°F (7°C) and an average low of 29.1°F (-1.6°C). East William Penn in March shows a temperature shift, moving from an average high of a cold 35.6°F (2°C) in February to a frosty 44.6°F (7°C). Weather in March »

Weather in April

April in East William Penn, Pennsylvania, is a refreshing spring month, with temperature in the range of an average low of 39°F (3.9°C) and an average high of 57.2°F (14°C). April comes with an increase, with the average high-temperature moving from a chilly 44.6°F (7°C) in March to a mild 57.2°F (14°C). Weather in April »

Weather in May

May, the last month of the spring in East William Penn, is a pleasant month, with an average temperature varying between 68°F (20°C) and 49.5°F (9.7°C). The start of May brings a rise in the average high-temperature, moving from a moderate 57.2°F (14°C) in April to a pleasant 68°F (20°C). Weather in May »

Weather in June

The first month of the summer, June, is a moderately hot month in East William Penn, Pennsylvania, with temperature in the range of an average low of 56.8°F (13.8°C) and an average high of 75.4°F (24.1°C). June introduces a marginal temperature uplift, with average high-temperatures adjusting from May's agreeable 68°F (20°C) to a warm 75.4°F (24.1°C). Weather in June »

Weather in July

July, like June, in East William Penn, Pennsylvania, is another warm summer month, with temperature in the range of an average low of 61.2°F (16.2°C) and an average high of 81.1°F (27.3°C). The warmest temperatures occur during July, when averages reach a peak of 81.1°F (27.3°C) and a low of 61.2°F (16.2°C). For most parts of July, the heat index is computed to be a hot 86°F (30°C). Weather in July »

Weather in August

August, the last month of the summer in East William Penn, is also a moderately hot month, with temperature in the range of an average low of 59.5°F (15.3°C) and an average high of 78.4°F (25.8°C). The onset of August marks an average high-temperature of a still warm 78.4°F (25.8°C), hardly differing from July's 81.1°F (27.3°C). Weather in August »

Weather in September

September, the first month of the autumn in East William Penn, is also an agreeable month, with an average temperature ranging between max 72.7°F (22.6°C) and min 53.8°F (12.1°C). September's arrival aligns with a minor decrease in average high-temperatures, from August's warm 78.4°F (25.8°C) to an agreeable 72.7°F (22.6°C). Weather in September »

Weather in October

October, like September, is a moderate autumn month in East William Penn, Pennsylvania, with an average temperature varying between 59.9°F (15.5°C) and 44.4°F (6.9°C). October's onset corresponds with a shift in the average high-temperature, moving from a pleasant 72.7°F (22.6°C) in September to a refreshing 59.9°F (15.5°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a frosty month in East William Penn, Pennsylvania, with an average temperature fluctuating between 33.6°F (0.9°C) and 47.3°F (8.5°C). The arrival of November corresponds with a shift in temperature, down from a mild 59.9°F (15.5°C) in October to a frosty 47.3°F (8.5°C). Weather in November »

Weather in December

The first month of the winter, December, is still a cold month in East William Penn, Pennsylvania, with temperature in the range of an average high of 37.9°F (3.3°C) and an average low of 27.5°F (-2.5°C). December is characterized by a reduction in the average high-temperature, from a frosty 47.3°F (8.5°C) in November to an icy 37.9°F (3.3°C). Weather in December »
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Frequently asked questions

What is the coldest time of year in East William Penn?

Temperature readings in East William Penn reach their annual highs in January, averaging 31.8°F (-0.1°C) and a minimum average of 19.6°F (-6.9°C).

How much does it rain in East William Penn?

Throughout the year, in East William Penn, Pennsylvania, there are 171 rainfall days, and 34.25" (870mm) of precipitation is accumulated.

When does it snow in East William Penn?

Months with snowfall in East William Penn, Pennsylvania, are January through May, October through December.

What is the snowiest month in East William Penn?

January is the month with the most snowfall. Snow falls for 12.7 days and accumulates 7.24" (184mm) of snow.

How many days does it snow in East William Penn?

In East William Penn, Pennsylvania, during the entire year, snow falls for 48.5 days and aggregates up to 27.72" (704mm) of snow.

What is the month with the least sunshine in East William Penn?

January and February, with an average of 4.3h of sunshine, are months with the least sunshine in East William Penn, Pennsylvania.

What is the month with the lowest UV index in East William Penn?

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the most humid month in East William Penn?

February is the most humid month in East William Penn, Pennsylvania, with an average relative humidity of 83%.

When is Daylight Saving Time (DST) in East William Penn?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, 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 least humid month in East William Penn?

April is the least humid month in East William Penn, with an average relative humidity of 77%.

What is the rainiest month in East William Penn?

May is the month with the most rainfall. Rain falls for 19 days and accumulates 3.39" (86mm) of precipitation.

What are the months with the highest UV index in East William Penn?

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 East William Penn?

In East William Penn, snow does not fall in June through September.

When are the longest days in East William Penn?

The month with the longest days is June, with an average of 15h and 6min of daylight.

What part of the year is the hottest in East William Penn?

East William Penn's July weather reaches an average high of 81.1°F (27.3°C) and an average low of 61.2°F (16.2°C), making it the warmest month.

What month has the most sunshine in East William Penn?

The month with the most sunshine in East William Penn, Pennsylvania, is July, with an average of 10.4h of sunshine.

What is the driest month in East William Penn?

The month with the least rainfall in East William Penn, Pennsylvania, is September, when the rain falls for 12.5 days and typically collects 1.97" (50mm) of precipitation.

What is the month with the shortest days in East William Penn?

December has the shortest days of the year in East William Penn, Pennsylvania, with an average of 9h and 18min of daylight.

Average temperature
East William Penn, PA

Average temperature - East William Penn, PA

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.8°F).

The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).

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Average pressure
East William Penn, PA

Average pressure - East William Penn, PA

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed
East William Penn, PA

Average wind speed - East William Penn, PA

The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

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Average humidity
East William Penn, PA

Average humidity - East William Penn, PA

The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (77%).

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Average rainfall
East William Penn, PA

Average rainfall - East William Penn, PA

The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is September (1.97").

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Average rainfall days
East William Penn, PA

Average rainfall days - East William Penn, PA

The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is January (9.7 days).

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Average snowfall
East William Penn, PA

Average snowfall - East William Penn, PA

The month with the highest snowfall is January (7.24").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
East William Penn, PA

Average snowfall days - East William Penn, PA

The month with the highest number of snowfall days is January (12.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
East William Penn, PA

Average daylight / Average sunshine - East William Penn, 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 18min).

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 18min).

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Average sunshine days
East William Penn, PA

Average sunshine days - East William Penn, PA

The month with the most sunshine days is November (15.8 days).
The month with the least sunshine days is May (9.1 days).

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Average UV index
East William Penn, PA

Average UV index - East William Penn, 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, February, March, November and December (UV index 2).

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Average visibility
East William Penn, PA

Average visibility - East William Penn, PA

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).

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East William Penn, Pennsylvania, USA

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