Climate and monthly weather forecastPhiladelphia, NY
Climate and monthly weather forecast
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
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
January and February, with an average relative humidity of 88%, are most humid months.
In Philadelphia, during the entire year, the rain falls for 166.4 days and collects up to 30.55" (776mm) of precipitation.
January through May, October through December are months with snowfall in Philadelphia.
In Philadelphia, during the entire year, snow falls for 87.3 days and aggregates up to 40.16" (1020mm) of snow.
The months with the least sunshine in Philadelphia are January and February, with an average of 2.9h of sunshine.
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Philadelphia, New York.
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.
April is the least humid month, with an average relative humidity of 77%.
In Philadelphia, snow does not fall in June through September.
The month with the longest days is June, with an average of 15h and 24min of daylight.
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).
The months with the most sunshine are July and August, with an average of 10.3h of sunshine.
The month with the highest UV index is July, with an average maximum UV index of 6.
The month with the least rainfall is September, when the rain falls for 13.8 days and typically collects 1.77" (45mm) of precipitation.
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.
December is the month with the most snowfall. Snow falls for 17.4 days and accumulates 9.13" (232mm) of snow.
The month with the shortest days in Philadelphia is December, with an average of 8h and 54min of daylight.
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 in January:
30.03"Hg - Average pressure in February:
30.02"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.97"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.93"Hg - Average pressure in August:
29.96"Hg - Average pressure in September:
30.04"Hg - Average pressure in October:
29.99"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.05"Hg
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 in January:
9.7mph - Average wind speed in February:
9.6mph - Average wind speed in March:
9.3mph - Average wind speed in April:
9.4mph - Average wind speed in May:
7.6mph - Average wind speed in June:
7mph
- Average wind speed in July:
6.6mph - Average wind speed in August:
6.6mph - Average wind speed in September:
7mph - Average wind speed in October:
8.6mph - Average wind speed in November:
9.3mph - Average wind speed in December:
9.2mph
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
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 in January:
2.4" - Average rainfall in February:
2.17" - Average rainfall in March:
2.4" - Average rainfall in April:
2.83" - Average rainfall in May:
2.95" - Average rainfall in June:
2.28"
- Average rainfall in July:
2.44" - Average rainfall in August:
2.48" - Average rainfall in September:
1.77" - Average rainfall in October:
3.39" - Average rainfall in November:
2.56" - Average rainfall in December:
2.87"
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 in January:
8.8 days - Average rainfall days in February:
8.1 days - Average rainfall days in March:
11.7 days - Average rainfall days in April:
15.9 days - Average rainfall days in May:
16.5 days - Average rainfall days in June:
16.9 days
- Average rainfall days in July:
16.8 days - Average rainfall days in August:
16.6 days - Average rainfall days in September:
13.8 days - Average rainfall days in October:
17.4 days - Average rainfall days in November:
12.3 days - Average rainfall days in December:
11.6 days
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 in January:
8.94" - Average snowfall in February:
8.11" - Average snowfall in March:
5.79" - Average snowfall in April:
2.13" - Average snowfall in May:
0.12" - Average snowfall in June:
0"
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 in January:
20.6 days - Average snowfall days in February:
18.8 days - Average snowfall days in March:
13.6 days - Average snowfall days in April:
5.5 days - Average snowfall days in May:
0.8 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
1.1 days - Average snowfall days in November:
9.5 days - Average snowfall days in December:
17.4 days
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 in January:
9h and 18min - Average daylight in February:
10h and 30min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 30min - Average daylight in May:
14h and 48min - Average daylight in June:
15h and 24min
- Average daylight in July:
15h and 6min - Average daylight in August:
14h and 0min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 36min - Average daylight in December:
8h and 54min
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).
- Average sunshine in January:
2h and 54min - Average sunshine in February:
2h and 54min - Average sunshine in March:
4h and 42min - Average sunshine in April:
7h and 12min - Average sunshine in May:
8h and 48min - Average sunshine in June:
9h and 6min
- Average sunshine in July:
10h and 18min - Average sunshine in August:
10h and 18min - Average sunshine in September:
9h and 12min - Average sunshine in October:
4h and 42min - Average sunshine in November:
4h and 36min - Average sunshine in December:
3h and 12min
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 in January:
7.1 days - Average sunshine days in February:
6.9 days - Average sunshine days in March:
9.1 days - Average sunshine days in April:
10.2 days - Average sunshine days in May:
12.5 days - Average sunshine days in June:
10.8 days
- Average sunshine days in July:
10.8 days - Average sunshine days in August:
11.7 days - Average sunshine days in September:
14.8 days - Average sunshine days in October:
11.3 days - Average sunshine days in November:
11.7 days - Average sunshine days in December:
7.6 days
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 UV index
Philadelphia, NY
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Philadelphia, NY
The months with the most cloud cover are January and February (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 31).
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).
