Climate and monthly weather forecast
Shirleysburg, PA

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Weather in January

January, like December, in Shirleysburg, Pennsylvania, is an icy winter month, with an average temperature varying between 32.9°F (0.5°C) and 20.1°F (-6.6°C). Shirleysburg's coldest month, January, registers temperatures that range from a high of 32.9°F (0.5°C) to a low of 20.1°F (-6.6°C). Weather in January »

Weather in February

February, the last month of the winter in Shirleysburg, is another cold month, with temperature in the range of an average high of 37.2°F (2.9°C) and an average low of 22.8°F (-5.1°C). February reports an average high-temperature of a still icy 37.2°F (2.9°C), slightly varied from January's 32.9°F (0.5°C). Weather in February »

Weather in March

March, the first month of the spring in Shirleysburg, is a chilly month, with an average temperature varying between 46.9°F (8.3°C) and 29.8°F (-1.2°C). March's arrival signals an increase in average high-temperatures, moving from February's icy 37.2°F (2.9°C) to a frosty 46.9°F (8.3°C). Weather in March »

Weather in April

April is a moderate spring month in Shirleysburg, Pennsylvania, with an average temperature varying between 39.7°F (4.3°C) and 59.4°F (15.2°C). As Shirleysburg transitions into April, a rise in the average high-temperature is observed, moving from a frosty 46.9°F (8.3°C) in March to a moderate 59.4°F (15.2°C). Weather in April »

Weather in May

May, the last month of the spring in Shirleysburg, is an agreeable month, with an average temperature fluctuating between 49.5°F (9.7°C) and 70.3°F (21.3°C). The shift from April to May is marked by an increase in the average high-temperature, moving from a moderate 59.4°F (15.2°C) to an agreeable 70.3°F (21.3°C). Weather in May »

Weather in June

June, the first month of the summer in Shirleysburg, is a moderately hot month, with an average temperature varying between 55.9°F (13.3°C) and 78.3°F (25.7°C). The start of June brings a subtle rise in the average high-temperature, moving from a pleasant 70.3°F (21.3°C) in May to a moderately hot 78.3°F (25.7°C). Weather in June »

Weather in July

July, the same as June, is another warm summer month in Shirleysburg, Pennsylvania, with an average temperature fluctuating between 83.7°F (28.7°C) and 60.4°F (15.8°C). July is Shirleysburg's warmest month, registering average high temperatures of 83.7°F (28.7°C) and lows of 60.4°F (15.8°C). July's average heat index is computed to be a tropical 91.4°F (33°C). Weather in July »

Weather in August

August, the last month of the summer in Shirleysburg, is another warm month, with an average temperature fluctuating between 58.5°F (14.7°C) and 81.3°F (27.4°C). The initiation of August records an average high-temperature of a still warm 81.3°F (27.4°C), displaying a near consistency with the previous month. Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Shirleysburg, Pennsylvania, with an average temperature varying between 53.2°F (11.8°C) and 74.3°F (23.5°C). Transition into September subtly marks a drop in the average high-temperature, moderately moving from 81.3°F (27.4°C) in August to a still warm 74.3°F (23.5°C). Weather in September »

Weather in October

October, the same as September, is another comfortable autumn month in Shirleysburg, Pennsylvania, with an average temperature varying between 61.5°F (16.4°C) and 43.9°F (6.6°C). A shift in the average high-temperature occurs in October, reducing from a warm 74.3°F (23.5°C) in September to a refreshing 61.5°F (16.4°C). Weather in October »

Weather in November

The last month of the autumn, November, is another chilly month in Shirleysburg, Pennsylvania, with an average temperature ranging between min 32.9°F (0.5°C) and max 48.4°F (9.1°C). November's arrival correlates with a reduction in the average high-temperature, down from an enjoyable 61.5°F (16.4°C) in October to a chilly 48.4°F (9.1°C). Weather in November »

Weather in December

December, the first month of the winter in Shirleysburg, is also an icy month, with temperature in the range of an average high of 38.8°F (3.8°C) and an average low of 27.5°F (-2.5°C). A shift in Shirleysburg's weather is observed as November turns into December, with the average high temperature reducing from a frosty 48.4°F (9.1°C) to a wintry 38.8°F (3.8°C). Weather in December »
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Frequently asked questions

What time of the year is the coldest in Shirleysburg?

Shirleysburg's coldest month, January, registers temperatures that range from a high of 32.9°F (0.5°C) to a low of 20.1°F (-6.6°C).

How many days does it rain in Shirleysburg?

Throughout the year, in Shirleysburg, there are 164.3 rainfall days, and 28.19" (716mm) of precipitation is accumulated.

When does it snow in Shirleysburg?

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

When does it snow the most in Shirleysburg?

January is the month with the most snowfall in Shirleysburg, Pennsylvania. Snow falls for 12.2 days and accumulates 5.24" (133mm) of snow.

How many days does it snow in Shirleysburg?

In Shirleysburg, Pennsylvania, during the entire year, snow falls for 40.6 days and aggregates up to 17.91" (455mm) of snow.

What is the month with the least sunshine in Shirleysburg?

January has the least sunshine of the year in Shirleysburg, with an average of 4.2h of sunshine.

When is the lowest UV index in Shirleysburg?

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

What is the most humid month in Shirleysburg?

With an average relative humidity of 82%, February is the most humid month in Shirleysburg.

When is Daylight Saving Time (DST) in Shirleysburg?

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 rainiest month in Shirleysburg?

May is the month with the most rainfall. Rain falls for 17.7 days and accumulates 3.07" (78mm) of precipitation.

When it does not snow in Shirleysburg?

May through September are months without snowfall in Shirleysburg.

When is the highest UV index in Shirleysburg?

The months with the highest UV index in Shirleysburg are May and June, with an average maximum UV index of 6.

When are the longest days in Shirleysburg?

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

What is the hottest time of year in Shirleysburg?

In Shirleysburg, the peak average temperatures are observed in July, with a high of 83.7°F (28.7°C) and a low of 60.4°F (15.8°C).

What is the least humid month in Shirleysburg?

July is the least humid month, with an average relative humidity of 75%.

What month has the most sunshine in Shirleysburg?

With an average of 10.3h of sunshine, July has the most sunshine of the year.

What is the driest month in Shirleysburg?

The month with the least rainfall in Shirleysburg, Pennsylvania, is September, when the rain falls for 12.8 days and typically collects 1.85" (47mm) of precipitation.

What is the month with the shortest days in Shirleysburg?

December has the shortest days of the year, with an average of 9h and 24min of daylight.

Average temperature
Shirleysburg, PA

Average temperature - Shirleysburg, PA

The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (32.9°F).

The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).

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Average pressure
Shirleysburg, PA

Average pressure - Shirleysburg, PA

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

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Average wind speed
Shirleysburg, PA

Average wind speed - Shirleysburg, PA

The windiest month (with the highest average wind speed) is January (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

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Average rainfall
Shirleysburg, PA

Average rainfall - Shirleysburg, PA

The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is September (1.85").

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Average rainfall days
Shirleysburg, PA

Average rainfall days - Shirleysburg, PA

The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is February (9.5 days).

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Average snowfall
Shirleysburg, PA

Average snowfall - Shirleysburg, PA

The month with the highest snowfall is January (5.24").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days
Shirleysburg, PA

Average snowfall days - Shirleysburg, PA

The month with the highest number of snowfall days is January (12.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight / Average sunshine
Shirleysburg, PA

Average daylight / Average sunshine - Shirleysburg, PA

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).

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

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Average sunshine days
Shirleysburg, PA

Average sunshine days - Shirleysburg, PA

The month with the most sunshine days is November (16.7 days).
The month with the least sunshine days is May (10.7 days).

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Average UV index
Shirleysburg, PA

Average UV index - Shirleysburg, PA

The months with the highest UV index are May and June (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

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Average visibility
Shirleysburg, PA

Average visibility - Shirleysburg, 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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Shirleysburg, Pennsylvania, USA

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