What is the weather like in Boston vs Nantucket in December?

In December, Boston averages 6°C high / -2°C low with about 109 mm of rain; Nantucket averages 8°C high / 1°C low with about 85 mm.

Boston vs Nantucket in December

Boston is the better pick in December — 46 vs 39 on SeasonMap's comfort score. Boston is cold, rainy, clean air, while Nantucket is cold, rainy, clean air.

Boston vs Nantucket — December climate, side by side

	🇺🇸 Boston	🇺🇸 Nantucket
Comfort score	46/100 (F)	39/100 (F)
Feels-like high	1°C	2°C
Avg high / low	6° / -2°	8° / 1°
Rainfall	109 mm	85 mm
Rainy days	9	7
Humidity	72%	72%
Air quality (AQI)	40	38

Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.

Month by month

Boston 🇺🇸 United Statescold, rainy, clean air · best September46
Nantucket 🇺🇸 United Statescold, rainy, clean air · best August39

Boston vs Nantucket in December — FAQ

Is December better in Boston or Nantucket?: Boston is the better pick in December — 46 vs 39 on SeasonMap's comfort score. Boston is cold, rainy, clean air, while Nantucket is cold, rainy, clean air.
What is the weather like in Boston vs Nantucket in December?: In December, Boston averages 6°C high / -2°C low with about 109 mm of rain; Nantucket averages 8°C high / 1°C low with about 85 mm.