Climate and monthly weather forecast
Gladwyne, PA

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Weather in January

January, like December, in Gladwyne, Pennsylvania, is an icy winter month, with an average temperature ranging between min 25°F (-3.9°C) and max 36.7°F (2.6°C). Gladwyne's coldest temperatures are experienced in January, with average high temperatures of 36.7°F (2.6°C) and lows of 25°F (-3.9°C). Weather in January »

Weather in February

February, the last month of the winter in Gladwyne, is also an icy month, with an average temperature ranging between max 40.3°F (4.6°C) and min 27°F (-2.8°C). In February, the average high-temperature registers at a still cold 40.3°F (4.6°C), nearly identical to January's 36.7°F (2.6°C). Weather in February »

Weather in March

The first month of the spring, March, is a chilly month in Gladwyne, Pennsylvania, with an average temperature fluctuating between 34.3°F (1.3°C) and 49.1°F (9.5°C). A soft shift in the average high-temperature is noticeable in March, transitioning from an icy 40.3°F (4.6°C) in February to a frosty 49.1°F (9.5°C). Weather in March »

Weather in April

April is a comfortable spring month in Gladwyne, Pennsylvania, with an average temperature ranging between min 44.2°F (6.8°C) and max 61.2°F (16.2°C). The shift into April is accompanied by a temperature increase, with the average high-temperature rising from a chilly 49.1°F (9.5°C) in March to an enjoyable 61.2°F (16.2°C). Weather in April »

Weather in May

The last month of the spring, May, is a pleasant month in Gladwyne, Pennsylvania, with an average temperature fluctuating between 71.8°F (22.1°C) and 54.3°F (12.4°C). Gladwyne's transition into May brings a rise in the average high-temperature, moving from a comfortable 61.2°F (16.2°C) in April to a pleasant 71.8°F (22.1°C). Weather in May »

Weather in June

June, the first month of the summer in Gladwyne, is a warm month, with an average temperature fluctuating between 79.9°F (26.6°C) and 62.6°F (17°C). With the onset of June, Gladwyne's average high-temperature experiences a slight rise, moving from May's agreeable 71.8°F (22.1°C) to a moderately hot 79.9°F (26.6°C). Weather in June »

Weather in July

July, like June, in Gladwyne, Pennsylvania, is another warm summer month, with temperature in the range of an average low of 68.9°F (20.5°C) and an average high of 85.8°F (29.9°C). The warmest time of the year is July, with temperatures averaging a high of 85.8°F (29.9°C) and a low of 68.9°F (20.5°C). For most parts of July, the heat index is appraised at a very hot 95°F (35°C). Weather in July »

Weather in August

August, the last month of the summer in Gladwyne, is also a moderately hot month, with an average temperature ranging between max 83.7°F (28.7°C) and min 67.5°F (19.7°C). As August takes hold, the average high-temperature is a still moderately hot 83.7°F (28.7°C), nearly mirroring that of the previous month. Weather in August »

Weather in September

September, the first month of the autumn in Gladwyne, is still a warm month, with temperature in the range of an average high of 76.5°F (24.7°C) and an average low of 59.9°F (15.5°C). As August shifts into September, a minor alteration in temperatures is observed, with average highs reducing from a moderately hot 83.7°F (28.7°C) to a still warm 76.5°F (24.7°C). Weather in September »

Weather in October

October, the same as September, is another enjoyable autumn month in Gladwyne, Pennsylvania, with an average temperature ranging between min 50°F (10°C) and max 64.2°F (17.9°C). Gladwyne experiences a temperature shift at the start of October, with average high-temperatures adjusting from a moderately hot 76.5°F (24.7°C) in September to a refreshing 64.2°F (17.9°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a fresh month in Gladwyne, Pennsylvania, with an average temperature ranging between max 52°F (11.1°C) and min 38.3°F (3.5°C). The commencement of November involves a temperature shift, with the average high-temperature dropping from a comfortable 64.2°F (17.9°C) in October to a fresh 52°F (11.1°C). Weather in November »

Weather in December

December, the first month of the winter in Gladwyne, is also a frosty month, with an average temperature fluctuating between 43.2°F (6.2°C) and 32°F (0°C). December's arrival aligns with a minor decrease in average high-temperatures, from November's cool 52°F (11.1°C) to a frosty 43.2°F (6.2°C). Weather in December »

Frequently asked questions

What month is the coldest?

In Gladwyne, January is the coldest month, with temperatures averaging a high of 36.7°F (2.6°C) and a low of 25°F (-3.9°C).

What is the driest month?

January is the month with the least rainfall. Rain falls for 5.3 days and accumulates 0.55" (14mm) of precipitation.

How much does it rain?

Throughout the year, there are 111.8 rainfall days, and 9.69" (246mm) of precipitation is accumulated.

When does it snow?

January through March, November and December are months with snowfall.

How much does it snow?

In Gladwyne, during the entire year, snow falls for 15.1 days and aggregates up to 3.66" (93mm) of snow.

When is the lowest UV index?

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.

What is the most humid month?

February and October, with an average relative humidity of 78%, are most humid months.

What is the snowiest month?

The months with the most snowfall are February and March, with an average 0.98" (25mm) of accumulated snow.

What is the month with the least sunshine?

With an average of 4.6h of sunshine, February has the least sunshine of the year.

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?

April, July and August, with an average relative humidity of 71%, are the least humid months.

When it does not snow?

April through October are months without snowfall in Gladwyne.

What is the month with the highest UV index?

The months with the highest UV index are May through August, 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 month is the hottest?

July, with its high-temperature average of 85.8°F (29.9°C) and a low-temperature average of 68.9°F (20.5°C), is the warmest month.

What is the rainiest month?

The wettest months are July and August, with an average 1.14" (29mm) of rainfall.

What month has the most sunshine?

The month with the most sunshine is July, with an average of 10.6h of sunshine.

What is the month with the shortest days?

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

Average temperature
Gladwyne, PA

Average temperature - Gladwyne, PA

The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (36.7°F).

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (25°F).

Average pressure
Gladwyne, PA

Average pressure - Gladwyne, 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
Gladwyne, PA

Average wind speed - Gladwyne, PA

The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

Average humidity
Gladwyne, PA

Average humidity - Gladwyne, PA

The months with the highest relative humidity are February and October (78%).
The months with the lowest relative humidity are April, July and August (71%).

Average rainfall
Gladwyne, PA

Average rainfall - Gladwyne, PA

The wettest months (with the highest rainfall) are July and August (1.14").
The driest month (with the least rainfall) is January (0.55").

Average rainfall days
Gladwyne, PA

Average rainfall days - Gladwyne, PA

The month with the highest number of rainy days is July (13.3 days).
The month with the least rainy days is January (5.3 days).

Average snowfall
Gladwyne, PA

Average snowfall - Gladwyne, PA

The months with the highest snowfall are February and March (0.98").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days
Gladwyne, PA

Average snowfall days - Gladwyne, PA

The month with the highest number of snowfall days is January (4.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight / Average sunshine
Gladwyne, PA

Average daylight / Average sunshine - Gladwyne, 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 36min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days
Gladwyne, PA

Average sunshine days - Gladwyne, PA

The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is July (14.9 days).

Average UV index
Gladwyne, PA

Average UV index - Gladwyne, PA

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

Average visibility
Gladwyne, PA

Average visibility - Gladwyne, PA

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

Gladwyne, Pennsylvania, USA

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