Climate and monthly weather forecast
Philadelphia, NY

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Weather in January

January, like December, is a freezing cold winter month in Philadelphia, New York, with an average temperature fluctuating between 13.1°F (-10.5°C) and 25°F (-3.9°C). January tends to be the coldest month, with temperatures averaging a daily high of 25°F (-3.9°C) and a low of 13.1°F (-10.5°C). Weather in January »

Weather in February

February, the last month of the winter in Philadelphia, is also a subzero cold month, with an average temperature varying between 27.3°F (-2.6°C) and 15.3°F (-9.3°C). Philadelphia records an average high-temperature of a still subzero cold 27.3°F (-2.6°C) in February, closely mirroring the climate of the previous month. Weather in February »

Weather in March

March, the first month of the spring in Philadelphia, is a cold month, with an average temperature ranging between max 36.9°F (2.7°C) and min 24.3°F (-4.3°C). The rise of average high-temperatures is seen in March, with an increase from a freezing cold 27.3°F (-2.6°C) in February to an icy 36.9°F (2.7°C). Weather in March »

Weather in April

April is a fresh spring month in Philadelphia, New York, with an average temperature varying between 35.2°F (1.8°C) and 50.7°F (10.4°C). Philadelphia in April shows a temperature shift, moving from an average high of a wintry 36.9°F (2.7°C) in March to a fresh 50.7°F (10.4°C). Weather in April »

Weather in May

May, the last month of the spring in Philadelphia, is a comfortable month, with an average temperature varying between 63.7°F (17.6°C) and 46°F (7.8°C). With the onset of May, Philadelphia's average high-temperature sees a rise, moving from April's fresh 50.7°F (10.4°C) to a refreshing 63.7°F (17.6°C). Weather in May »

Weather in June

June, the first month of the summer in Philadelphia, is an agreeable month, with an average temperature fluctuating between 53.2°F (11.8°C) and 70.2°F (21.2°C). The shift from May to June sees a slight increase in the average high-temperature, transitioning from an enjoyable 63.7°F (17.6°C) to an agreeable 70.2°F (21.2°C). Weather in June »

Weather in July

July in Philadelphia, New York, is a moderately hot summer month, with an average temperature varying between 59.7°F (15.4°C) and 76.6°F (24.8°C). The temperatures reach their highest averages in July, with highs of 76.6°F (24.8°C) and lows of 59.7°F (15.4°C). Weather in July »

Weather in August

August, the last month of the summer in Philadelphia, is also a moderately hot month, with temperature in the range of an average low of 58.6°F (14.8°C) and an average high of 75.6°F (24.2°C). August's average high-temperature stands at a still warm 75.6°F (24.2°C), showing little deviation from July's 76.6°F (24.8°C). Weather in August »

Weather in September

The first month of the autumn, September, is also an agreeable month in Philadelphia, New York, with an average temperature ranging between min 52.2°F (11.2°C) and max 69.1°F (20.6°C). The beginning of September brings a slight decrease in the average high-temperature, transitioning from a warm 75.6°F (24.2°C) in August to an agreeable 69.1°F (20.6°C). Weather in September »

Weather in October

October, like September, is another mild autumn month in Philadelphia, New York, with temperature in the range of an average high of 55.9°F (13.3°C) and an average low of 43.3°F (6.3°C). A moderate decline in the average high-temperature is seen during October, decreasing from an agreeable 69.1°F (20.6°C) in September to a refreshing 55.9°F (13.3°C). Weather in October »

Weather in November

November, the last month of the autumn in Philadelphia, is another chilly month, with an average temperature fluctuating between 31.1°F (-0.5°C) and 42.8°F (6°C). November suggests a modest reduction in the average high-temperature, shifting from a moderate 55.9°F (13.3°C) in October to a frosty 42.8°F (6°C). Weather in November »

Weather in December

The first month of the winter, December, is still a freezing cold month in Philadelphia, New York, with an average temperature varying between 22.5°F (-5.3°C) and 31.6°F (-0.2°C). The shift to December brings a decrease in the average high-temperature, falling from a chilly 42.8°F (6°C) in November to a subzero cold 31.6°F (-0.2°C). Weather in December »
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the coldest in Philadelphia?

The lowest temperatures in Philadelphia, New York, are recorded in January, with averages reaching a high of 25°F (-3.9°C) and a low of 13.1°F (-10.5°C).

What are the most humid months in Philadelphia?

January and February, with an average relative humidity of 88%, are most humid months.

How many days does it rain in Philadelphia?

In Philadelphia, during the entire year, the rain falls for 166.4 days and collects up to 30.55" (776mm) of precipitation.

When does it snow in Philadelphia?

January through May, October through December are months with snowfall in Philadelphia.

How many days does it snow in Philadelphia?

In Philadelphia, during the entire year, snow falls for 87.3 days and aggregates up to 40.16" (1020mm) of snow.

What are the months with the least sunshine in Philadelphia?

The months with the least sunshine in Philadelphia are January and February, with an average of 2.9h of sunshine.

When is the lowest UV index in Philadelphia?

January and December, with an average maximum UV index of 1, are months with the lowest UV index in Philadelphia, New York.

When is Daylight Saving Time (DST) in Philadelphia?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Philadelphia, New York, 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 least humid month in Philadelphia?

April is the least humid month, with an average relative humidity of 77%.

When it does not snow in Philadelphia?

In Philadelphia, snow does not fall in June through September.

When are the longest days in Philadelphia?

The month with the longest days is June, with an average of 15h and 24min of daylight.

What is the warmest month in Philadelphia?

The warmest temperatures in Philadelphia, New York, occur during July, when averages reach a peak of 76.6°F (24.8°C) and a low of 59.7°F (15.4°C).

What are the months with the most sunshine in Philadelphia?

The months with the most sunshine are July and August, with an average of 10.3h of sunshine.

When is the highest UV index in Philadelphia?

The month with the highest UV index is July, with an average maximum UV index of 6.

What is the driest month in Philadelphia?

The month with the least rainfall is September, when the rain falls for 13.8 days and typically collects 1.77" (45mm) of precipitation.

What is the rainiest month in Philadelphia?

The month with the most rainfall in Philadelphia, New York, is October, when the rain falls for 17.4 days and typically aggregates up to 3.39" (86mm) of precipitation.

When does it snow the most in Philadelphia?

December is the month with the most snowfall. Snow falls for 17.4 days and accumulates 9.13" (232mm) of snow.

What is the month with the shortest days in Philadelphia?

The month with the shortest days in Philadelphia is December, with an average of 8h and 54min of daylight.

Average temperature
Philadelphia, NY

Average temperature - Philadelphia, NY

The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is January (25°F).

The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (13.1°F).

Average pressure
Philadelphia, NY

Average pressure - Philadelphia, NY

The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed
Philadelphia, NY

Average wind speed - Philadelphia, NY

The windiest month (with the highest average wind speed) is January (9.7mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).

Average humidity
Philadelphia, NY

Average humidity - Philadelphia, NY

The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is April (77%).

Average rainfall
Philadelphia, NY

Average rainfall - Philadelphia, NY

The wettest month (with the highest rainfall) is October (3.39").
The driest month (with the least rainfall) is September (1.77").

Average rainfall days
Philadelphia, NY

Average rainfall days - Philadelphia, NY

The month with the highest number of rainy days is October (17.4 days).
The month with the least rainy days is February (8.1 days).

Average snowfall
Philadelphia, NY

Average snowfall - Philadelphia, NY

The month with the highest snowfall is December (9.13").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Philadelphia, NY

Average snowfall days - Philadelphia, NY

The month with the highest number of snowfall days is January (20.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Philadelphia, NY

Average daylight / Average sunshine - Philadelphia, NY

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 8h and 54min).

The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The months with the least sunshine are January and February (Average sunshine: 2h and 54min).

Average sunshine days
Philadelphia, NY

Average sunshine days - Philadelphia, NY

The month with the most sunshine days is September (14.8 days).
The month with the least sunshine days is February (6.9 days).

Average visibility
Philadelphia, NY

Average visibility - Philadelphia, NY

The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).

Philadelphia, New York, USA

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