Baby clothes by birth season
In shortThe first two sizes last about 2.5 months, so the season of the birth decides the weather they meet. Here are the four seasons and the 12 months, worked out for 11 cities, one per region of the country.
Born in winter (from December to February)
A baby born on January 15 wears size NB in January and February, 3M in February and March, and 6M from April to July. In the first 6 months, 6 of the 11 cities have freezing months; long-sleeve bodysuits by 6 months range from 6 (Honolulu) to 7 (Juneau).
Born in spring (from March to May)
A baby born on April 15 wears size NB in April and May, 3M in May and June, and 6M from June to October. In the first 6 months, 0 of the 11 cities have freezing months; long-sleeve bodysuits by 6 months range from 3 (Honolulu) to 7 (Juneau).
Born in summer (from June to August)
A baby born on July 15 wears size NB in July and August, 3M in August and September, and 6M from September to January. In the first 6 months, 6 of the 11 cities have freezing months; long-sleeve bodysuits by 6 months range from 3 (Honolulu) to 7 (Juneau).
Born in fall (from September to November)
A baby born on October 15 wears size NB in October and November, 3M in November and December, and 6M from December to April. In the first 6 months, 6 of the 11 cities have freezing months; long-sleeve bodysuits by 6 months range from 4 (Honolulu) to 7 (Juneau).
The 12 birth months
| Born on | NB · newborn | 3M · 0 to 3 months | 6M · 3 to 6 months | Cities with freezing months in the first 6 months | Long-sleeve bodysuits (fewest to most) |
|---|---|---|---|---|---|
| January 15 | in January and February | in February and March | from April to July | 6 of 11 | 6 to 7 |
| February 15 | in February and March | from March to May | from May to August | 6 of 11 | 5 to 7 |
| March 15 | in March and April | in April and May | from May to September | 3 of 11 | 4 to 7 |
| April 15 | in April and May | in May and June | from June to October | 0 of 11 | 3 to 7 |
| May 15 | in May and June | in June and July | from July to November | 0 of 11 | 3 to 7 |
| June 15 | in June and July | in July and August | from August to December | 5 of 11 | 3 to 7 |
| July 15 | in July and August | in August and September | from September to January | 6 of 11 | 3 to 7 |
| August 15 | in August and September | in September and October | from October to February | 6 of 11 | 4 to 7 |
| September 15 | in September and October | in October and November | from November to March | 6 of 11 | 4 to 7 |
| October 15 | in October and November | in November and December | from December to April | 6 of 11 | 4 to 7 |
| November 15 | in November and December | in December and January | from January to May | 6 of 11 | 5 to 7 |
| December 15 | in December and January | in January and February | from February to June | 6 of 11 | 7 |
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 freezing month has an average low below 32 °F (0 °C).
The cities in the math
The most populous city in each Census Bureau region (nine divisions, with Alaska and Hawaii on their own).
- Boston: Climate normals: NOAA National Centers for Environmental Information, U.S. Climate Normals 1991-2020, station BOSTON LOGAN INTL AP, MA US (USW00014739). 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.
- New York City: Climate normals: NOAA National Centers for Environmental Information, U.S. Climate Normals 1991-2020, station NEW YORK CNTRL PK TWR, NY US (USW00094728). 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.
- Chicago: Climate normals: NOAA National Centers for Environmental Information, U.S. Climate Normals 1991-2020, station CHICAGO NORTHERLY IS, IL US (USC00111550). 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.
- Kansas City: Climate normals: NOAA National Centers for Environmental Information, U.S. Climate Normals 1991-2020, station KANSAS CITY DOWNTOWN AP, MO US (USW00013988). 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.
- Jacksonville: Climate normals: NOAA National Centers for Environmental Information, U.S. Climate Normals 1991-2020, station JACKSONVILLE NAS, FL US (USW00093837). 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.
- Nashville: Climate normals: NOAA National Centers for Environmental Information, U.S. Climate Normals 1991-2020, station SHELBY BOTTOMS NATURE, TN US (USC00408238). 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.
- Houston: Climate normals: NOAA National Centers for Environmental Information, U.S. Climate Normals 1991-2020, station HOUSTON-PORT, TX US (USC00414326). 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.
- Phoenix: Climate normals: NOAA National Centers for Environmental Information, U.S. Climate Normals 1991-2020, station PHOENIX SKY HARBOR INTL AP, AZ US (USW00023183). 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.
- Los Angeles: Climate normals: NOAA National Centers for Environmental Information, U.S. Climate Normals 1991-2020, station LOS ANGELES DWTN USC CAMPUS, CA US (USW00093134). 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.
- Juneau: Climate normals: NOAA National Centers for Environmental Information, U.S. Climate Normals 1991-2020, station JUNEAU DWTN, AK US (USC00504094). 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.
- Honolulu: Climate normals: NOAA National Centers for Environmental Information, U.S. Climate Normals 1991-2020, station WAIKIKI 717.2, HI US (USC00519397). 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.
Your baby's list, by your city's weather
Pick the due month: the list follows the weather of each month your baby wears each size, with the reason behind every number.
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