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Valentine's Day 2027

Valentine's Day size for a baby born in December

A baby born in December 2026 will be about 2 months old on Valentine's Day, February 14, 2027.

  • Carter's3M
  • Old Navy0-3M
  • Cat & Jack0-3M
  • babyGap3-6M

Typical size that day: about 11.8 lb and 22.7 in.That's winter. Think long sleeves, footed pajamas, and warm layers.

Worked out for a birth date in the middle of December, a baby in the middle of the WHO growth chart, and room to grow. A birthday early or late in the month, or a baby who is longer or lighter than average, can land a size apart. The calculator below uses the exact date and your measurements. Last updated October 10, 2026.

Born December 2026: 2 months old on Valentine's Day

Typical size: about 11.8 lb, 22.7 in long.

Born December 2025: 14 months old on Valentine's Day

Typical size: about 21.5 lb, 30.4 in long.

Born December 2024: 2 years, 2 months old on Valentine's Day

Typical size: about 26.9 lb, 34.7 in tall.

Born December 2023: 3 years, 2 months old on Valentine's Day

Typical size: about 31.9 lb, 38.2 in tall.

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