What is the weather like in Boston vs Philadelphia in May?

In May, Boston averages 20°C high / 10°C low with about 78 mm of rain; Philadelphia averages 24°C high / 14°C low with about 101 mm.

Boston vs Philadelphia in May

Philadelphia is the better pick in May — 91 vs 86 on SeasonMap's comfort score. Philadelphia is warm, rainy, while Boston is nice, a little rain, clean air.

Boston vs Philadelphia — May climate, side by side

	🇺🇸 Boston	🇺🇸 Philadelphia
Comfort score	86/100 (A)	91/100 (S)
Feels-like high	19°C	24°C
Avg high / low	20° / 10°	24° / 14°
Rainfall	78 mm	101 mm
Rainy days	9	10
Humidity	73%	70%
Air quality (AQI)	43	53

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

Month by month

Boston 🇺🇸 United Statesnice, a little rain, clean air · best September86
Philadelphia 🇺🇸 United Stateswarm, rainy · best May91

Boston vs Philadelphia in May — FAQ

Is May better in Boston or Philadelphia?: Philadelphia is the better pick in May — 91 vs 86 on SeasonMap's comfort score. Philadelphia is warm, rainy, while Boston is nice, a little rain, clean air.
What is the weather like in Boston vs Philadelphia in May?: In May, Boston averages 20°C high / 10°C low with about 78 mm of rain; Philadelphia averages 24°C high / 14°C low with about 101 mm.