Baby clothes in Trenton, NJ: the weather each month
In shortIn Trenton, NJ, the average temperature goes from 31 °F (-0.4 °C) in January to 76 °F (24.3 °C) in July, a swing of 44 °F (24.7 °C). A baby born on May 15 needs 9 short-sleeve bodysuits by 6 months; one born on August 15, 7.
The typical weather in Trenton
| Month | Average | Low | High |
|---|---|---|---|
| January | 31 °F (-0.4 °C) | 23 °F (-5.2 °C) | 40 °F (4.4 °C) |
| February | 33 °F (0.7 °C) | 24 °F (-4.6 °C) | 43 °F (6.1 °C) |
| March | 41 °F (5.1 °C) | 31 °F (-0.6 °C) | 51 °F (10.7 °C) |
| April | 52 °F (11.1 °C) | 40 °F (4.7 °C) | 63 °F (17.3 °C) |
| May | 61 °F (16.2 °C) | 50 °F (9.9 °C) | 73 °F (22.6 °C) |
| June | 71 °F (21.4 °C) | 59 °F (15.2 °C) | 82 °F (27.6 °C) |
| July | 76 °F (24.3 °C) | 65 °F (18.3 °C) | 87 °F (30.3 °C) |
| August | 74 °F (23.1 °C) | 63 °F (17.3 °C) | 84 °F (28.9 °C) |
| September | 67 °F (19.4 °C) | 56 °F (13.3 °C) | 78 °F (25.4 °C) |
| October | 55 °F (12.9 °C) | 44 °F (6.9 °C) | 66 °F (18.9 °C) |
| November | 45 °F (7.1 °C) | 35 °F (1.4 °C) | 55 °F (12.8 °C) |
| December | 35 °F (1.9 °C) | 26 °F (-3.2 °C) | 44 °F (6.9 °C) |
Freezing months, with an average low below 32 °F (0 °C): from December to March. 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 TRENTON STATE COLLEGE, NJ US (USC00288880). 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 Trenton needs, by birth month
A baby born on May 15 spends 61 of the first 183 days in cold months and needs 9 short-sleeve bodysuits by 6 months; a baby born on August 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 | 137 of 183 | 7 | 8 | 2 | 1 |
| February 15 | 106 of 183 | 7 | 8 | 2 | 1 |
| March 15 | 78 of 183 | 7 | 8 | 2 | 1 |
| April 15 | 61 of 183 | 7 | 8 | 2 | 0 |
| May 15 | 61 of 183 | 6 | 9 | 2 | 0 |
| June 15 | 75 of 183 | 6 | 9 | 2 | 1 |
| July 15 | 105 of 183 | 7 | 8 | 2 | 1 |
| August 15 | 136 of 183 | 7 | 7 | 2 | 1 |
| September 15 | 167 of 183 | 7 | 7 | 2 | 1 |
| October 15 | 183 of 183 | 7 | 7 | 2 | 2 |
| November 15 | 183 of 183 | 7 | 7 | 2 | 2 |
| December 15 | 168 of 183 | 7 | 7 | 2 | 2 |
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 Trenton
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