Baby clothes in Philadelphia, PA: the weather each month
In shortIn Philadelphia, PA, the average temperature goes from 35 °F (1.5 °C) in January to 80 °F (26.9 °C) in July, a swing of 46 °F (25.4 °C). A baby born on June 15 needs 12 short-sleeve bodysuits by 6 months; one born on September 15, 7.
The typical weather in Philadelphia
| Month | Average | Low | High |
|---|---|---|---|
| January | 35 °F (1.5 °C) | 28 °F (-2.3 °C) | 42 °F (5.3 °C) |
| February | 37 °F (2.9 °C) | 30 °F (-1.3 °C) | 45 °F (7.2 °C) |
| March | 45 °F (7.2 °C) | 36 °F (2.4 °C) | 53 °F (11.9 °C) |
| April | 56 °F (13.4 °C) | 46 °F (7.9 °C) | 66 °F (18.8 °C) |
| May | 66 °F (18.9 °C) | 56 °F (13.5 °C) | 76 °F (24.3 °C) |
| June | 75 °F (24.1 °C) | 66 °F (18.8 °C) | 85 °F (29.4 °C) |
| July | 80 °F (26.9 °C) | 71 °F (21.9 °C) | 89 °F (31.8 °C) |
| August | 78 °F (25.7 °C) | 69 °F (20.8 °C) | 87 °F (30.7 °C) |
| September | 71 °F (21.9 °C) | 63 °F (17.1 °C) | 80 °F (26.8 °C) |
| October | 60 °F (15.3 °C) | 51 °F (10.6 °C) | 68 °F (20.1 °C) |
| November | 49 °F (9.4 °C) | 41 °F (5.2 °C) | 56 °F (13.6 °C) |
| December | 40 °F (4.4 °C) | 33 °F (0.7 °C) | 47 °F (8.1 °C) |
Freezing months, with an average low below 32 °F (0 °C): in January and February. In those months the list adds: snowsuit or bunting. Warm one-piece or bag for going out on freezing days. Comes off before buckling the car seat and when you get home.
Typical weather, the average of many years; not a forecast. Climate normals: NOAA National Centers for Environmental Information, U.S. Climate Normals 1991-2020, station PHILA FRANKLIN INST, PA US (USC00366886). Palecki, M., Durre, I., Applequist, S., Arguez, A., Lawrimore, J. (2021). U.S. Climate Normals 2020: U.S. Monthly Climate Normals (1991-2020). https://doi.org/10.25921/wck8-er13. Accessed 2026-10-13.
What a baby born in Philadelphia needs, by birth month
A baby born on June 15 spends 75 of the first 183 days in cold months and needs 12 short-sleeve bodysuits by 6 months; a baby born on September 15, 7. The table shows all 12 months.
| Born on | Cold days in the first 6 months | Long-sleeve bodysuits | Short-sleeve bodysuits | Fleece sleepers | Snowsuits or buntings |
|---|---|---|---|---|---|
| January 15 | 106 of 183 | 7 | 8 | 2 | 1 |
| February 15 | 75 of 183 | 7 | 8 | 2 | 1 |
| March 15 | 47 of 183 | 6 | 9 | 2 | 0 |
| April 15 | 30 of 183 | 6 | 9 | 2 | 0 |
| May 15 | 44 of 183 | 5 | 11 | 1 | 0 |
| June 15 | 75 of 183 | 4 | 12 | 1 | 0 |
| July 15 | 105 of 183 | 5 | 10 | 2 | 1 |
| August 15 | 136 of 183 | 7 | 8 | 2 | 1 |
| September 15 | 167 of 183 | 7 | 7 | 2 | 1 |
| October 15 | 183 of 183 | 7 | 7 | 2 | 1 |
| November 15 | 167 of 183 | 7 | 7 | 2 | 2 |
| December 15 | 137 of 183 | 7 | 8 | 2 | 1 |
Without heating at home, a baby born on October 15 would need 12 long-sleeve bodysuits.
Cotokim's list engine, balanced style, laundry every 2 days, for 1 baby born on the 15th of each month, with a clothes dryer and a home heated in winter (the tool's starting answers in this country). A month is cold when its average is below 64 °F (18 °C), and hot from 75 °F (24 °C) up. The exact due date changes the numbers a little; the tool does the math for your month.
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The list for your baby in Philadelphia
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