Climate and monthly weather forecast
Shirleysburg, PA

Share

Weather in January

January, like December, in Shirleysburg, Pennsylvania, is a wintry winter month, with temperature in the range of an average low of 20.1°F (-6.6°C) and an average high of 32.9°F (0.5°C). January is Shirleysburg's coldest month, registering average high temperatures of 32.9°F (0.5°C) and lows of 20.1°F (-6.6°C). Weather in January »

Weather in February

February, the last month of the winter in Shirleysburg, is also a wintry month, with an average temperature ranging between max 37.2°F (2.9°C) and min 22.8°F (-5.1°C). The advent of February signifies a minor shift to an average high-temperature of a still wintry 37.2°F (2.9°C), aligning closely with January. Weather in February »

Weather in March

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

Weather in April

April is a mild spring month in Shirleysburg, Pennsylvania, with an average temperature fluctuating between 39.7°F (4.3°C) and 59.4°F (15.2°C). April's arrival brings a change in high-temperatures, 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

The last month of the spring, May, is an agreeable month in Shirleysburg, Pennsylvania, with an average temperature ranging between max 70.3°F (21.3°C) and min 49.5°F (9.7°C). With the onset of May, Shirleysburg experiences a temperature shift, with the average high-temperature moving from a mild 59.4°F (15.2°C) in April 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 warm month, with an average temperature fluctuating between 78.3°F (25.7°C) and 55.9°F (13.3°C). In Shirleysburg, the onset of June comes with a modest high-temperature shift, transitioning from May's pleasant 70.3°F (21.3°C) 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 varying between 60.4°F (15.8°C) and 83.7°F (28.7°C). Shirleysburg's warmest month, July, registers temperatures that range from a high of 83.7°F (28.7°C) to a low of 60.4°F (15.8°C). The heat index for July is computed to be a tropical 91.4°F (33°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Shirleysburg, Pennsylvania, with an average temperature ranging between max 81.3°F (27.4°C) and min 58.5°F (14.7°C). August's arrival registers an average high-temperature of a still warm 81.3°F (27.4°C), closely aligning with the temperature of the previous month. Weather in August »

Weather in September

September, the first month of the autumn in Shirleysburg, is also a moderately hot month, with an average temperature ranging between max 74.3°F (23.5°C) and min 53.2°F (11.8°C). The average high-temperature slightly decreases in September, shifting from a moderately hot 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, like September, in Shirleysburg, Pennsylvania, is another enjoyable autumn month, with an average temperature varying between 43.9°F (6.6°C) and 61.5°F (16.4°C). With the onset of October, Shirleysburg experiences a modest temperature adjustment, with the average high-temperature receding 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 varying between 48.4°F (9.1°C) and 32.9°F (0.5°C). As November commences, the average high-temperature shows a reduction, transitioning 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

The first month of the winter, December, is still a cold month in Shirleysburg, Pennsylvania, with temperature in the range of an average low of 27.5°F (-2.5°C) and an average high of 38.8°F (3.8°C). December's arrival correlates with a reduction in the average high-temperature, down from a chilly 48.4°F (9.1°C) in November to an icy 38.8°F (3.8°C). Weather in December »

Frequently asked questions

What part of the year is the coldest?

January, with an average high of 32.9°F (0.5°C) and a low of 20.1°F (-6.6°C), signifies the coldest month of the year.

How much does it rain?

In Shirleysburg, during the entire year, the rain falls for 164.3 days and collects up to 28.19" (716mm) of precipitation.

When does it snow?

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

What is the snowiest month?

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

How much does it snow?

In Shirleysburg, 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?

The month with the least sunshine in Shirleysburg is January, with an average of 4.2h of sunshine.

When is the lowest UV index?

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

What is the most humid month?

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

When is Daylight Saving Time (DST)?

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 wettest month?

The month with the most rainfall is May, when the rain falls for 17.7 days and typically aggregates up to 3.07" (78mm) of precipitation.

When it does not snow in Shirleysburg?

In Shirleysburg, snow does not fall in May through September.

What is the month with the highest UV index in Shirleysburg?

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

When are the longest days?

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

What is the hottest time of year?

In Shirleysburg, July is the month with the highest recorded average temperatures, measuring 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?

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

What month has the most sunshine?

The month with the most sunshine is July, with an average of 10.3h of sunshine.

What is the driest month?

September is the month with the least rainfall in Shirleysburg. Rain falls for 12.8 days and accumulates 1.85" (47mm) of precipitation.

What is the month with the shortest days?

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).

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).

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).

Average humidity
Shirleysburg, PA

Average humidity - Shirleysburg, PA

The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is July (75%).

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").

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).

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").

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).

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).

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).

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).

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).

Shirleysburg, Pennsylvania, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location