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

In December, Boston averages 6°C high / -2°C low with about 109 mm of rain; Hyannis averages 7°C high / -1°C low with about 118 mm.

Boston vs Hyannis in December

Boston is the better pick in December — 46 vs 38 on SeasonMap's comfort score. Boston is cold, rainy, clean air, while Hyannis is cold, rainy, clean air.

Boston vs Hyannis — December climate, side by side

	🇺🇸 Boston	🇺🇸 Hyannis
Comfort score	46/100 (F)	38/100 (F)
Feels-like high	1°C	3°C
Avg high / low	6° / -2°	7° / -1°
Rainfall	109 mm	118 mm
Rainy days	9	11
Humidity	72%	72%
Air quality (AQI)	40	33

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

Month by month

Boston 🇺🇸 United Statescold, rainy, clean air · best September46
Hyannis 🇺🇸 United Statescold, rainy, clean air · best July38

Boston vs Hyannis in December — FAQ

Is December better in Boston or Hyannis?: Boston is the better pick in December — 46 vs 38 on SeasonMap's comfort score. Boston is cold, rainy, clean air, while Hyannis is cold, rainy, clean air.
What is the weather like in Boston vs Hyannis in December?: In December, Boston averages 6°C high / -2°C low with about 109 mm of rain; Hyannis averages 7°C high / -1°C low with about 118 mm.