Climate and monthly weather forecast
Glenwillard, PA

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Weather in January

January, the same as December, is a wintry winter month in Glenwillard, Pennsylvania, with temperature in the range of an average high of 32.9°F (0.5°C) and an average low of 20.3°F (-6.5°C). Glenwillard's coldest month, January, generally records average temperatures ranging from a high of 32.9°F (0.5°C) to a low of 20.3°F (-6.5°C). Weather in January »

Weather in February

February, the last month of the winter in Glenwillard, is another cold month, with an average temperature fluctuating between 37°F (2.8°C) and 22.6°F (-5.2°C). The start of February sees the average high-temperature at a still wintry 37°F (2.8°C), showing little difference from January's 32.9°F (0.5°C). Weather in February »

Weather in March

The first month of the spring, March, is a frosty month in Glenwillard, Pennsylvania, with an average temperature varying between 31.1°F (-0.5°C) and 47.1°F (8.4°C). In Glenwillard, stepping into March brings a temperature increase, moving up from February's icy 37°F (2.8°C) to a chilly 47.1°F (8.4°C). Weather in March »

Weather in April

April in Glenwillard, Pennsylvania, is a mild spring month, with an average temperature varying between 41°F (5°C) and 60.3°F (15.7°C). In Glenwillard, the onset of April comes with an increased average high-temperature, moving from March's frosty 47.1°F (8.4°C) to a mild 60.3°F (15.7°C). Weather in April »

Weather in May

May, the last month of the spring in Glenwillard, is an agreeable month, with an average temperature varying between 72°F (22.2°C) and 50.9°F (10.5°C). Glenwillard sees a rise in temperature during May, with average high-temperatures transitioning from a moderate 60.3°F (15.7°C) in April to an agreeable 72°F (22.2°C). Weather in May »

Weather in June

The first month of the summer, June, is a moderately hot month in Glenwillard, Pennsylvania, with an average temperature ranging between max 79°F (26.1°C) and min 58.1°F (14.5°C). As May transitions into June, Glenwillard notices a gentle rise in the average high-temperature, transitioning from an agreeable 72°F (22.2°C) to a moderately hot 79°F (26.1°C). Weather in June »

Weather in July

July, like June, in Glenwillard, Pennsylvania, is another warm summer month, with an average temperature fluctuating between 83.5°F (28.6°C) and 61.9°F (16.6°C). July is the warmest month, exhibiting average temperatures of 83.5°F (28.6°C) at the peak and 61.9°F (16.6°C) at the base. In July, the heat index is estimated at a tropical 91.4°F (33°C). Weather in July »

Weather in August

August, the last month of the summer in Glenwillard, is another warm month, with temperature in the range of an average high of 82°F (27.8°C) and an average low of 60.4°F (15.8°C). The onset of August marks an average high-temperature of a still moderately hot 82°F (27.8°C), hardly differing from July's 83.5°F (28.6°C). Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Glenwillard, Pennsylvania, with an average temperature fluctuating between 55.6°F (13.1°C) and 75.4°F (24.1°C). Glenwillard's September weather shows a modest shift in high-temperatures, falling from August's warm 82°F (27.8°C) to a still moderately hot 75.4°F (24.1°C). Weather in September »

Weather in October

October, the same as September, is another enjoyable autumn month in Glenwillard, Pennsylvania, with an average temperature ranging between max 61.7°F (16.5°C) and min 45.3°F (7.4°C). The beginning of October involves a decrease in the average high-temperature, transitioning from a warm 75.4°F (24.1°C) in September to a comfortable 61.7°F (16.5°C). Weather in October »

Weather in November

The last month of the autumn, November, is another chilly month in Glenwillard, Pennsylvania, with an average temperature varying between 48.7°F (9.3°C) and 33.8°F (1°C). The start of November comes with a reduction in the average high-temperature, receding from an enjoyable 61.7°F (16.5°C) in October to a chilly 48.7°F (9.3°C). Weather in November »

Weather in December

December, the first month of the winter in Glenwillard, is also a wintry month, with an average temperature fluctuating between 28°F (-2.2°C) and 39°F (3.9°C). December brings a decrease in the average high-temperature, falling from November's frosty 48.7°F (9.3°C) to a cold 39°F (3.9°C). Weather in December »
Updated: Aug 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the coldest months?

The coldest month is January, with an average high-temperature of 32.9°F (0.5°C) and an average low-temperature of 20.3°F (-6.5°C).

What is the driest month?

The month with the least rainfall is January, when the rain falls for 8.1 days and typically collects 1.22" (31mm) of precipitation.

How much does it rain?

Throughout the year, there are 154.8 rainfall days, and 21.22" (539mm) of precipitation is accumulated.

When does it snow?

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

How many days does it snow?

Throughout the year, there are 49.9 snowfall days, and 10.12" (257mm) of snow is accumulated.

What is the month with the least sunshine?

The month with the least sunshine is January, with an average of 2.9h of sunshine.

What is the most humid month?

The most humid month is February, with an average relative humidity of 85%.

What is the snowiest month?

February is the month with the most snowfall. Snow falls for 11.8 days and accumulates 2.76" (70mm) of snow.

When is Daylight Saving Time (DST)?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Glenwillard, 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.

When is the highest UV index?

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

When it does not snow?

June through September are months without snowfall.

When are the longest days?

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

What part of the year is the hottest?

July brings the highest temperatures in Glenwillard, with an average high of 83.5°F (28.6°C) and an average low of 61.9°F (16.6°C).

What is the least humid month?

July and August, with an average relative humidity of 75%, are the least humid months.

What is the rainiest month?

The month with the most rainfall is July, when the rain falls for 16.9 days and typically aggregates up to 2.36" (60mm) of precipitation.

What month has the most sunshine?

With an average of 10h of sunshine, August has the most sunshine of the year.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 18min of daylight.

When is the lowest UV index?

With an average maximum UV index of 1, December is the month with the lowest UV index.

Average temperature
Glenwillard, PA

Average temperature - Glenwillard, 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 (32.9°F).

The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).

Average pressure
Glenwillard, PA

Average pressure - Glenwillard, PA

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed
Glenwillard, PA

Average wind speed - Glenwillard, PA

The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

Average humidity
Glenwillard, PA

Average humidity - Glenwillard, PA

The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are July and August (75%).

Average rainfall
Glenwillard, PA

Average rainfall - Glenwillard, PA

The wettest month (with the highest rainfall) is July (2.36").
The driest month (with the least rainfall) is January (1.22").

Average rainfall days
Glenwillard, PA

Average rainfall days - Glenwillard, PA

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (8.1 days).

Average snowfall
Glenwillard, PA

Average snowfall - Glenwillard, PA

The month with the highest snowfall is February (2.76").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Glenwillard, PA

Average snowfall days - Glenwillard, PA

The month with the highest number of snowfall days is January (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Glenwillard, PA

Average daylight / Average sunshine - Glenwillard, 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 August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).

Average sunshine days
Glenwillard, PA

Average sunshine days - Glenwillard, PA

The month with the most sunshine days is November (16.6 days).
The month with the least sunshine days is February (10.7 days).

Average visibility
Glenwillard, PA

Average visibility - Glenwillard, PA

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

Glenwillard, Pennsylvania, USA

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