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

In August, Boston averages 29°C high / 19°C low with about 86 mm of rain; Nantucket averages 25°C high / 18°C low with about 49 mm.

Boston vs Nantucket in August

Nantucket is the better pick in August — 87 vs 80 on SeasonMap's comfort score. Nantucket is warm, a little rain, muggy air, while Boston is hot, rainy.

Boston vs Nantucket — August climate, side by side

	🇺🇸 Boston	🇺🇸 Nantucket
Comfort score	80/100 (A)	87/100 (A)
Feels-like high	30°C	27°C
Avg high / low	29° / 19°	25° / 18°
Rainfall	86 mm	49 mm
Rainy days	8	6
Humidity	73%	88%
Air quality (AQI)	52	61

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

Month by month

Boston 🇺🇸 United Stateshot, rainy · best September80
Nantucket 🇺🇸 United Stateswarm, a little rain, muggy air · best August87

Boston vs Nantucket in August — FAQ

Is August better in Boston or Nantucket?: Nantucket is the better pick in August — 87 vs 80 on SeasonMap's comfort score. Nantucket is warm, a little rain, muggy air, while Boston is hot, rainy.
What is the weather like in Boston vs Nantucket in August?: In August, Boston averages 29°C high / 19°C low with about 86 mm of rain; Nantucket averages 25°C high / 18°C low with about 49 mm.