The average temperature for the week of 30 June 2025 - 6 July 2025 was 31 °C (88 °F) during the day and 20 °C (68 °F) during the night. These temperatures are slightly above the long-time average for Philadelphia, being 29 °C (84 °F) for daily temperatures and 18 °C (64 °F) for night temperatures. The average temperatures observed during different times of day (based on local time) were as below: 7am 22 °C (72 °F), 10am 27 °C (81 °F), 1pm 30 °C (86 °F), 4pm 29 °C (84 °F), 7pm 28 °C (82 °F), 10pm 24 °C (75 °F).

There were 4 days without rain, 1 day with light rain and 2 days with moderate rain during this week. During the whole week, total of 59 mm (2.32 in) of precipitation was observed, which is above the long term average for Philadelphia, which is 26 mm (1.02 in). From dawn to dusk, there was an average of 49 % cloud coverage during the day. There was a meteorological observation of haze and mist.

The wind's speed averaged 2.9 m/s. The atmosferic pressure ranged from 1009 hpa to 1022 hpa. The air in Philadelphia had an average humidity of 75 %.

On average, there were 5.5 hours clear skies, 2.5 hours partially overcast skies, 7 hours overcast skies and 1 hour rainy weather during the daytime (from dawn to dusk). The sunrise on average occurred at 05:36, and the sunset occurred at 20:33.

Weather overview

Philadelphia (United States of America) is a place with a mild continental climate. Temperatures during the day are in the range from 4 °C (39 °F) in January to 30 °C (86 °F) in July. The highest night temperatures could be experienced in July with 19 °C (66 °F), the lowest in January with -4 °C (24 °F). The least rainy month in Philadelphia is October with its 8 days of rain, the rainiest month is May, when it rains 11 days.

January weather

The minimum of the day temperature can be noticed in Philadelphia, and the minimum of the night temperature can be noticed too, the value of this measure is -4 °C (24 °F). The beginning of the descent of the rainfall amount could be noticed in this month. The beginning of the rise of the number of sun hours (without clouds) could be noticed in January.

February weather

The day temperature rise's start could be observed, the value of this measure is 6 °C (42 °F) in Philadelphia, and the beginning of the rise of the night temperature could be noticed too, its value is -4 °C (26 °F). The rainfall amount reaches its minimum in this month. The number of sun hours (without clouds) continues to rise, its value is 6 hours.

March weather

The rise of the day temperature can be observed, its value is 11 °C (51 °F) in Philadelphia, and the rise of the night temperature can be observed too. The beginning of the rise of the rainfall amount could be noticed in March. The rise of the number of sun hours (without clouds) can be observed, with its value of 6 hours. The wind speed is on its maximum, its value is 4.

April weather

The day temperature continues to rise, with its value being 17 °C (63 °F) in Philadelphia, and the night temperature rises similarly to the previous month as well, its value is 5 °C (42 °F). The rise of the number of sun hours (without clouds) can be observed, with its value of 7 hours. The minimum of the humidity is observable, with its value of 61 %.

May weather

The tourist season slowly starts in Philadelphia. The day temperature rises similarly to the previous month, with its value being 23 °C (73 °F), and the night temperature continues to rise as well, its value is 11 °C (51 °F). The maximum of the number of rainy days is observable, with its value of 11 days, while the rainfall amount rise's start could be observed, the value of this measure is 105 mm (4.14 in).

June weather

The tourist season is taking place in Philadelphia. The day temperature continues to rise, its value is 28 °C (82 °F), and the rise of the night temperature can be observed as well, with its value being 16 °C (62 °F). The rainfall amount descent's start could be observed, with its value being 100 mm (3.92 in). The maximum of the number of sun hours (without clouds) can be noticed in this month.

July weather

The day temperature is on its maximum, its value is 30 °C (86 °F) in Philadelphia, and the night temperature is on its maximum as well in July. The tourist season continues. The number of rainy days descent's start could be observed, its value is 10 days, while the maximum of the rainfall amount is observable, with its value of 120 mm (4.72 in).

August weather

The tourist season is close to its peak this month in Philadelphia. The beginning of the descent of the day temperature could be noticed, its value is 29 °C (84 °F), and the beginning of the descent of the night temperature could be noticed as well, with its value being 18 °C (65 °F). The rainfall amount descent's start could be observed, the value of this measure is 104 mm (4.09 in). The wind speed is on its minimum, with its value being 2.

September weather

There is pending tourist season this month in Philadelphia. The descent of the day temperature can be observed, with its value being 25 °C (77 °F). The beginning of the descent of the number of rainy days could be noticed, its value is 9 days. The number of sun hours (without clouds) continues to descent, its value is 7 hours. The humidity is on its maximum, with its value being 73 %.

October weather

The day temperature continues to descent, with its value of 19 °C (66 °F) in Philadelphia, and the night temperature continues to descent as well, its value is 8 °C (46 °F). There is pending tourist season in October. The beginning of the descent of the rainfall amount could be noticed, with its value being 90 mm (3.52 in), while the number of rainy days reaches its minimum in October.

November weather

The day temperature descents similarly to the previous month, with its value of 13 °C (55 °F) in Philadelphia, and the descent of the night temperature can be observed as well, its value is 3 °C (37 °F). The beginning of the rise of the number of rainy days could be noticed, the value of this measure is 10 days. The number of sun hours (without clouds) continues to descent, with its value being 5 hours.

December weather

The day temperature continues to descent in Philadelphia, and the descent of the night temperature can be observed as well. The beginning of the rise of the rainfall amount could be noticed, with its value of 97 mm (3.82 in), while the number of rainy days continues to rise, with its value of 11 days. The number of sun hours (without clouds) reaches its minimum, its value is 4 hours.

How windy is Philadelphia in April?

An average wind scale that can be expected in April in Philadelphia is 4.

What is the average number of rainy days in Philadelphia in May?

In Philadelphia in May, we can expect 11 days to be rainy, that is, days when precipitation exceeds 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 2.6 days of the week, or in general - 38 % days.

What is the temperature in Philadelphia during the day in June?

In Philadelphia in June, the average daily temperatures will be 28 °C (82 °F). The ideal temperature for enjoying sunbathing by the water and a good temperature for other activities. For some people, it will be too hot in the direct sunlight and the stay may not be so pleasant. Don't forget to pack flip-flops, sunscreen, and a hand fan if necessary - it may come in handy.

Are there good conditions to visit in July in Philadelphia?

There are good conditions for visiting in July in Philadelphia. The daily temperatures in this month reach pleasant 30 °C (86 °F). The temperature of the sea will be perfect at 22 °C (72 °F). At night, temperatures hover around a pleasant 19 °C (66 °F). You can expect just 10 days of rain during the month, taking an umbrella is not necessary.

Is August part of the wet season in Philadelphia?

No, there is no wet season in August in Philadelphia - you can expect 9 days of rain during the month.

Is it hot in September in Philadelphia?

In September in Philadelphia, you will enjoy nice warm weather, but it will also be pleasant and you probably won't feel hot.

What is the sea temperature in October in Philadelphia?

The temperature of the sea in Philadelphia in October is 18 °C (64 °F). At this sea temperature, swimming probably won't be the best experience. You probably won't like to stay in water for a long time. On the other hand, there are a minority of people who seek these conditions.

How many sunny hours can I expect in Philadelphia in November?

In November in Philadelphia, you can expect around 5 hours of sunshine.