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    Delaware

    Philadelphia weather and climate

    Delaware

    Philadelphia weather and climate

    Day

    23 °C

    Night

    11 °C

    Sea

    13 °C

    Precipitation

    105 mm

    in month

    Rainy days

    11 days

    in month

    Daylight

    14 hours

    average

    Sunshine

    8 hours

    average

    Humidity

    66 %

    Weather charts for Philadelphia

    JanFebMarAprMayJunJulAugSepOctNovDec24681012Temperature (° C)-5051015202530Precipitation (mm)0130
    Weather overview
    JanFebMarAprMayJunJulAugSepOctNovDec24681012Temperature (° C)-5051015202530Precipitation (mm)0130
    Wet days chart
    JanFebMarAprMayJunJulAugSepOctNovDecWet days6810121468101214
    Sunhours per day chart
    JanFebMarAprMayJunJulAugSepOctNovDecSunhours per day02468101224681012
    Wind chart
    JanFebMarAprMayJunJulAugSepOctNovDecWind0246123456
    Humidity chart
    JanFebMarAprMayJunJulAugSepOctNovDecHumidity %556065707580556065707580
    Data backed by 40 years of history

    We make the most from 40 years of historical weather data to predict the best weather conditions.

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    16 500 000 weather records

    We aggregate data from combining multiple weather sources to ensure accuracy of the highest order.

    Aerial view of architecture in Philadelphia at sunset time

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    Weather overview for Philadelphia

    Weather overview

    Philadelphia (United States of America) is a place with a mild continental climate. Temperatures during the day are in the range from 4.1 °C (39.4 °F) in January to 29.9 °C (85.8 °F) in July. The highest night temperatures could be experienced in July with 19.1 °C (66.4 °F), the lowest in January with -4.4 °C (24.1 °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, while the sea temperature continues to descent, with its value of 4.9 °C (40.8 °F). The minimum of the night temperature can be noticed, the value of this measure is -4.4 °C (24.1 °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 5.6 °C (42.1 °F) in Philadelphia, while the minimum of the sea temperature is observable, the value of this measure is 3.5 °C (38.3 °F). The beginning of the rise of the night temperature could be noticed, its value is -3.6 °C (25.5 °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 10.6 °C (51.1 °F) in Philadelphia, while the beginning of the rise of the sea temperature could be noticed, the value of this measure is 4.9 °C (40.9 °F). The beginning of the rise of the rainfall amount could be noticed in March. The rise of the night temperature can be observed. 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 3.9.

    April weather

    The sea temperature continues to rise, with its value of 8.4 °C (47.0 °F) in Philadelphia, and the day temperature continues to rise as well, with its value being 17.0 °C (62.6 °F). The night temperature rises similarly to the previous month, its value is 5.4 °C (41.7 °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 22.7 °C (72.9 °F), and the sea temperature rises similarly to the previous month as well, the value of this measure is 13.1 °C (55.5 °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). The night temperature continues to rise, its value is 10.8 °C (51.4 °F).

    June weather

    The tourist season is taking place in Philadelphia. The day temperature continues to rise, its value is 27.5 °C (81.5 °F), and the rise of the sea temperature can be observed too, with its value being 18.5 °C (65.3 °F). The rainfall amount descent's start could be observed, with its value being 100 mm (3.92 in). The rise of the night temperature can be observed, with its value being 16.4 °C (61.5 °F). 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 29.9 °C (85.8 °F) in Philadelphia, while the sea temperature continues to rise, with its value being 22.3 °C (72.2 °F). 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). The night temperature is on its maximum in July.

    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 28.9 °C (84.0 °F), while the sea temperature reaches its maximum, its value is 23.5 °C (74.3 °F). The rainfall amount descent's start could be observed, the value of this measure is 104 mm (4.09 in). The beginning of the descent of the night temperature could be noticed, with its value being 18.2 °C (64.8 °F). The wind speed is on its minimum, with its value being 2.4.

    September weather

    There is pending tourist season this month in Philadelphia. The beginning of the descent of the sea temperature could be noticed, its value is 21.9 °C (71.4 °F), while the descent of the day temperature can be observed, with its value being 24.9 °C (76.8 °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 18.7 °C (65.7 °F) in Philadelphia, and the sea temperature descents similarly to the previous month too, with its value being 17.7 °C (63.8 °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. The night temperature continues to descent, its value is 7.5 °C (45.5 °F).

    November weather

    The day temperature descents similarly to the previous month, with its value of 12.8 °C (55.0 °F) in Philadelphia, and the sea temperature continues to descent as well, with its value being 12.6 °C (54.7 °F). The beginning of the rise of the number of rainy days could be noticed, the value of this measure is 10 days. The descent of the night temperature can be observed, its value is 2.9 °C (37.2 °F). The number of sun hours (without clouds) continues to descent, with its value being 5 hours.

    December weather

    The descent of the sea temperature can be observed, with its value of 8.2 °C (46.8 °F) in Philadelphia, and the day temperature continues to descent too. 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 descent of the night temperature can be observed. The number of sun hours (without clouds) reaches its minimum, its value is 4 hours.

    FAQs

    How windy is Philadelphia in April?

    An average wind scale that can be expected in April in Philadelphia is 3.7.

    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 27.5 °C (81.5 °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 29.9 °C (85.8 °F). The temperature of the sea will be perfect at 22.3 °C (72.2 °F). At night, temperatures hover around a pleasant 19.1 °C (66.4 °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 17.7 °C (63.8 °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.