Climate and monthly weather forecast
Glenshaw, PA

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Weather in January

January, the same as December, is a wintry winter month in Glenshaw, Pennsylvania, with an average temperature fluctuating between 33.1°F (0.6°C) and 21°F (-6.1°C). Glenshaw experiences its lowest temperatures in January, with an average peak of 33.1°F (0.6°C) and a low of 21°F (-6.1°C). Weather in January »

Weather in February

The last month of the winter, February, is another cold month in Glenshaw, Pennsylvania, with temperature in the range of an average high of 37.6°F (3.1°C) and an average low of 23.4°F (-4.8°C). Glenshaw's average high-temperature in February is a still icy 37.6°F (3.1°C), marking an insignificant difference from the 33.1°F (0.6°C) of January. Weather in February »

Weather in March

March, the first month of the spring in Glenshaw, is a frosty month, with an average temperature ranging between max 47.8°F (8.8°C) and min 31.5°F (-0.3°C). In Glenshaw, the onset of March comes with an increased average high-temperature, moving from February's cold 37.6°F (3.1°C) to a frosty 47.8°F (8.8°C). Weather in March »

Weather in April

April in Glenshaw, Pennsylvania, is a refreshing spring month, with an average temperature varying between 61°F (16.1°C) and 41.5°F (5.3°C). In Glenshaw, the average high-temperature in April increases from a frosty 47.8°F (8.8°C) in March to a refreshing 61°F (16.1°C). Weather in April »

Weather in May

The last month of the spring, May, is a pleasant month in Glenshaw, Pennsylvania, with an average temperature ranging between max 72.1°F (22.3°C) and min 51.4°F (10.8°C). A shift in the average high-temperature is noticeable in May, changing from an enjoyable 61°F (16.1°C) in April to an agreeable 72.1°F (22.3°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Glenshaw, Pennsylvania, with an average temperature ranging between max 79.3°F (26.3°C) and min 58.6°F (14.8°C). A soft shift in the average high-temperature is noticeable in June, transitioning from a pleasant 72.1°F (22.3°C) in May to a moderately hot 79.3°F (26.3°C). Weather in June »

Weather in July

July, like June, in Glenshaw, Pennsylvania, is another warm summer month, with an average temperature varying between 84°F (28.9°C) and 63°F (17.2°C). Glenshaw's warmest weather arrives in July, when temperatures average a high of 84°F (28.9°C) and a low of 63°F (17.2°C). In July, the average heat index is computed to be a hot 91.4°F (33°C). Weather in July »

Weather in August

August, the last month of the summer in Glenshaw, is also a moderately hot month, with an average temperature varying between 82.2°F (27.9°C) and 61.3°F (16.3°C). As Glenshaw steps into August, the average high-temperature holds at a still warm 82.2°F (27.9°C), hinting at a minor fluctuation from the prior month. Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Glenshaw, Pennsylvania, with an average temperature varying between 75.7°F (24.3°C) and 55.9°F (13.3°C). September indicates a minor shift in the average high-temperature, from August's 82.2°F (27.9°C) to a still warm 75.7°F (24.3°C). Weather in September »

Weather in October

October, the same as September, is another refreshing autumn month in Glenshaw, Pennsylvania, with temperature in the range of an average high of 62.2°F (16.8°C) and an average low of 45.5°F (7.5°C). As October commences, the average high-temperature shows a reduction, transitioning from a moderately hot 75.7°F (24.3°C) in September to a refreshing 62.2°F (16.8°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a frosty month in Glenshaw, Pennsylvania, with an average temperature ranging between max 49.1°F (9.5°C) and min 34.2°F (1.2°C). The onset of November entails a temperature shift, as the average high-temperature decreases from an enjoyable 62.2°F (16.8°C) in October to a chilly 49.1°F (9.5°C). Weather in November »

Weather in December

The first month of the winter, December, is also a wintry month in Glenshaw, Pennsylvania, with an average temperature ranging between max 39.4°F (4.1°C) and min 28.4°F (-2°C). Transition from November to December is accompanied by a temperature drop, with average high-temperatures decreasing from a frosty 49.1°F (9.5°C) to a cold 39.4°F (4.1°C). Weather in December »
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Frequently asked questions

What month is the coldest in Glenshaw?

January is the month that records the lowest temperatures, with averages ranging from a high of 33.1°F (0.6°C) to a low of 21°F (-6.1°C).

What is the most humid month in Glenshaw?

January and February, with an average relative humidity of 84%, are most humid months.

How many days does it rain in Glenshaw?

Throughout the year, there are 163.6 rainfall days, and 26.93" (684mm) of precipitation is accumulated.

When does it snow in Glenshaw?

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

What is the snowiest month in Glenshaw?

The month with the most snowfall is January, when snow falls for 14.4 days and typically aggregates up to 3.31" (84mm) of snow.

How much does it snow in Glenshaw?

In Glenshaw, Pennsylvania, during the entire year, snow falls for 47.7 days and aggregates up to 11.77" (299mm) of snow.

What is the month with the least sunshine in Glenshaw?

January has the least sunshine of the year, with an average of 2.8h of sunshine.

When is Daylight Saving Time (DST) in Glenshaw?

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

What is the rainiest month in Glenshaw?

The month with the most rainfall in Glenshaw is May, when the rain falls for 18.9 days and typically aggregates up to 3.07" (78mm) of precipitation.

When it does not snow in Glenshaw?

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

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

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

When are the longest days in Glenshaw?

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

What part of the year is the hottest in Glenshaw?

July, with its high-temperature average of 84°F (28.9°C) and a low-temperature average of 63°F (17.2°C), is the warmest month in Glenshaw, Pennsylvania.

What are the least humid months in Glenshaw?

The months with the lowest humidity in Glenshaw, Pennsylvania, are July and August, with an average relative humidity of 73%.

What month has the most sunshine in Glenshaw?

The month with the most sunshine is August, with an average of 10.1h of sunshine.

What is the driest month in Glenshaw?

November is the month with the least rainfall in Glenshaw, Pennsylvania. Rain falls for 9.8 days and accumulates 1.54" (39mm) of precipitation.

What is the month with the shortest days in Glenshaw?

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

What is the month with the lowest UV index in Glenshaw?

The month with the lowest UV index in Glenshaw is December, with an average maximum UV index of 1.

Average pressure
Glenshaw, PA

Average pressure - Glenshaw, 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).

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Average wind speed
Glenshaw, PA

Average wind speed - Glenshaw, PA

The windiest month (with the highest average wind speed) is January (8mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).

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Average humidity
Glenshaw, PA

Average humidity - Glenshaw, PA

The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are July and August (73%).

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Average rainfall
Glenshaw, PA

Average rainfall - Glenshaw, PA

The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is November (1.54").

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Average rainfall days
Glenshaw, PA

Average rainfall days - Glenshaw, PA

The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is January (8.9 days).

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Average snowfall
Glenshaw, PA

Average snowfall - Glenshaw, PA

The month with the highest snowfall is January (3.31").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days
Glenshaw, PA

Average snowfall days - Glenshaw, PA

The month with the highest number of snowfall days is January (14.4 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
Glenshaw, PA

Average daylight / Average sunshine - Glenshaw, 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 6min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).

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Average sunshine days
Glenshaw, PA

Average sunshine days - Glenshaw, PA

The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is February (9.6 days).

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Average visibility
Glenshaw, PA

Average visibility - Glenshaw, PA

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

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Glenshaw, Pennsylvania, USA

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