Big Sur vs Napa: which is better, month by month

Napa beats Big Sur in 9 of 12 months — its lead peaks in April (93 vs 78) — and they are within 3 points in August to October.

Each place is scored under the lens that suits its type — they are different kinds of destination, so the scores are each place at its own best. Comfort is SeasonMap's 0–100 estimate from ERA5 climate normals, not a forecast.

Big Sur

🇺🇸 United States · mild climate

Best month: August 89/100
Months won: 0 of 12

Napa

🇺🇸 United States · mild climate

Best month: May 95/100
Months won: 9 of 12

Big Sur vs Napa — all 12 months

Month	Big Sur	Napa	Winner	Gap
January	57Dcool, rainy, clean air	64Ccool, soaked, clean air	Napa	7
February	65Cnice, rainy, clean air	73Bcool, rainy, clean air	Napa	8
March	68Cnice, rainy, clean air	77Bnice, rainy, clean air	Napa	9
April	78Bnice, dry, clean air	93Snice, dry, clean air	Napa	15
May	80Anice, dry, clean air	95Swarm, dry, clean air	Napa	15
June	84Awarm, dry, clean air	91Swarm, dry, clean air	Napa	7
July	86Awarm, dry, clean air	92Shot, dry, clean air	Napa	6
August	89Ahot, dry, clean air	90Shot, dry, clean air	Tie	1
September	87Awarm, dry, clean air	88Ahot, dry, clean air	Tie	1
October	83Awarm, dry, clean air	86Awarm, a little rain, clean air	Tie	3
November	71Bnice, a little rain, clean air	76Bnice, a little rain, clean air	Napa	5
December	59Dnice, rainy, clean air	63Ccool, rainy, clean air	Napa	4

A month is a tie when the two are within 3 points. The widest gap is April (78 vs 93). Tap a month for that month's temperature, rain, humidity and air quality side by side.