Climate and monthly weather forecast
Allen Junction, PA

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Weather in January

January, the same as December, is another cold winter month in Allen Junction, Pennsylvania, with temperature in the range of an average low of 21.6°F (-5.8°C) and an average high of 34°F (1.1°C). January is the month that records the lowest temperatures, with averages ranging from a high of 34°F (1.1°C) to a low of 21.6°F (-5.8°C). Weather in January »

Weather in February

The last month of the winter, February, is also a wintry month in Allen Junction, Pennsylvania, with temperature in the range of an average high of 37.8°F (3.2°C) and an average low of 23.4°F (-4.8°C). Allen Junction experiences a transition to a still cold 37.8°F (3.2°C) in average high-temperatures with the arrival of February, not greatly differing from January's 34°F (1.1°C). Weather in February »

Weather in March

The first month of the spring, March, is a chilly month in Allen Junction, Pennsylvania, with an average temperature ranging between min 30°F (-1.1°C) and max 46°F (7.8°C). The shift from February to March introduces a subtle increase in the average high-temperature, moving from a wintry 37.8°F (3.2°C) to a chilly 46°F (7.8°C). Weather in March »

Weather in April

April in Allen Junction, Pennsylvania, is a refreshing spring month, with an average temperature ranging between min 40.6°F (4.8°C) and max 58.6°F (14.8°C). The beginning of April marks a shift in the average high-temperature, moving from March's chilly 46°F (7.8°C) to a moderate 58.6°F (14.8°C). Weather in April »

Weather in May

The last month of the spring, May, is an agreeable month in Allen Junction, Pennsylvania, with temperature in the range of an average low of 50.5°F (10.3°C) and an average high of 69.6°F (20.9°C). With the onset of May, Allen Junction's average high-temperature experiences a rise, moving from April's mild 58.6°F (14.8°C) to a pleasant 69.6°F (20.9°C). Weather in May »

Weather in June

June, the first month of the summer in Allen Junction, is a warm month, with an average temperature ranging between min 57.9°F (14.4°C) and max 77.4°F (25.2°C). The start of June brings a subtle shift in the average high-temperature, edging up from May's agreeable 69.6°F (20.9°C) to a moderately hot 77.4°F (25.2°C). Weather in June »

Weather in July

July, the same as June, is another warm summer month in Allen Junction, Pennsylvania, with temperature in the range of an average low of 63.5°F (17.5°C) and an average high of 83.5°F (28.6°C). Allen Junction's warmest month, July, generally records average temperatures ranging from a high of 83.5°F (28.6°C) to a low of 63.5°F (17.5°C). In July, the heat index is estimated at a hot 91.4°F (33°C). Weather in July »

Weather in August

August, the last month of the summer in Allen Junction, is also a moderately hot month, with an average temperature ranging between max 81°F (27.2°C) and min 61.5°F (16.4°C). At the start of August, Allen Junction's average high-temperature reaches a still warm 81°F (27.2°C), subtly different from the preceding month. Weather in August »

Weather in September

September, the first month of the autumn in Allen Junction, is still a warm month, with an average temperature varying between 55°F (12.8°C) and 74.3°F (23.5°C). In September, the average high-temperature marginally decreases from a warm 81°F (27.2°C) in August to a still moderately hot 74.3°F (23.5°C). Weather in September »

Weather in October

October, the same as September, is another comfortable autumn month in Allen Junction, Pennsylvania, with an average temperature fluctuating between 46.2°F (7.9°C) and 62.1°F (16.7°C). The shift from September to October involves a decrease in the average high-temperature, dropping from a moderately hot 74.3°F (23.5°C) to a refreshing 62.1°F (16.7°C). Weather in October »

Weather in November

November, the last month of the autumn in Allen Junction, is also a fresh month, with an average temperature varying between 35.4°F (1.9°C) and 50°F (10°C). Allen Junction's progression into November includes a drop in the average high-temperature, from an enjoyable 62.1°F (16.7°C) in October to a fresh 50°F (10°C). Weather in November »

Weather in December

December, the first month of the winter in Allen Junction, is also a wintry month, with an average temperature varying between 28.8°F (-1.8°C) and 40.1°F (4.5°C). The start of December involves a temperature drop, moving from a cool 50°F (10°C) in November to a wintry 40.1°F (4.5°C). Weather in December »
Updated: Aug 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the coldest?

With an average high-temperature of 34°F (1.1°C) and an average low-temperature of 21.6°F (-5.8°C), January is the coldest month.

How many days does it rain?

In Allen Junction, during the entire year, the rain falls for 153 days and collects up to 26.81" (681mm) of precipitation.

When does it snow?

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

How much does it snow?

Throughout the year, there are 26.7 snowfall days, and 14.49" (368mm) of snow is accumulated.

What is the month with the lowest UV index?

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

What is the most humid month?

The most humid month is February, with an average relative humidity of 82%.

What is the month with the least sunshine?

The month with the least sunshine is February, with an average of 4.5h of sunshine.

What is the snowiest month?

March is the month with the most snowfall. Snow falls for 5 days and accumulates 4.13" (105mm) of snow.

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 are the least humid months?

The months with the lowest humidity are April and July, with an average relative humidity of 76%.

What is the month with the highest UV index?

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

When it does not snow?

June through September are months without snowfall.

When are the longest days?

The month with the longest days is June, with an average of 15h and 0min of daylight.

What are the warmest months?

July, with average temperatures reaching a high of 83.5°F (28.6°C) and a low of 63.5°F (17.5°C), is the warmest month.

What is the wettest month?

July is the month with the most rainfall. Rain falls for 16.2 days and accumulates 2.91" (74mm) of precipitation.

What month has the most sunshine?

With an average of 10.4h of sunshine, July has the most sunshine of the year.

What is the driest month?

September is the month with the least rainfall. Rain falls for 11.8 days and accumulates 1.57" (40mm) of precipitation.

What is the month with the shortest days?

The month with the shortest days in Allen Junction is December, with an average of 9h and 18min of daylight.

Average temperature
Allen Junction, PA

Average temperature - Allen Junction, PA

The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (34°F).

The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

Average pressure
Allen Junction, PA

Average pressure - Allen Junction, 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).

Average wind speed
Allen Junction, PA

Average wind speed - Allen Junction, PA

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity
Allen Junction, PA

Average humidity - Allen Junction, PA

The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are April and July (76%).

Average rainfall
Allen Junction, PA

Average rainfall - Allen Junction, PA

The wettest month (with the highest rainfall) is July (2.91").
The driest month (with the least rainfall) is September (1.57").

Average rainfall days
Allen Junction, PA

Average rainfall days - Allen Junction, PA

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (7.8 days).

Average snowfall
Allen Junction, PA

Average snowfall - Allen Junction, PA

The month with the highest snowfall is March (4.13").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Allen Junction, PA

Average snowfall days - Allen Junction, PA

The months with the highest number of snowfall days are January and February (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Allen Junction, PA

Average daylight / Average sunshine - Allen Junction, 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 18min).

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days
Allen Junction, PA

Average sunshine days - Allen Junction, PA

The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (11 days).

Average UV index
Allen Junction, PA

Average UV index - Allen Junction, PA

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

Average visibility
Allen Junction, PA

Average visibility - Allen Junction, PA

The months with the highest visibility are April, June and November (6mi).
The months with the lowest visibility are January, February, March, May, July, August, September, October and December (5mi).

Allen Junction, Pennsylvania, USA

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