Aveiro vs Sintra: which is better, month by month

Sintra beats Aveiro in 9 of 12 months — its lead peaks in January (74 vs 64) — and they are within 3 points in May, June and September.

Each place is scored under the lens that suits its type. Comfort is SeasonMap's 0–100 estimate from ERA5 climate normals, not a forecast.

Aveiro

🇵🇹 Portugal · mild climate

Best month: June 94/100
Months won: 0 of 12

Sintra

🇵🇹 Portugal · mild climate

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

Aveiro vs Sintra — all 12 months

Month	Aveiro	Sintra	Winner	Gap
January	64Ccool, rainy, clean air	74Bcool, a little rain, clean air	Sintra	10
February	73Bcool, rainy, clean air	78Bcool, a little rain, clean air	Sintra	5
March	75Bcool, rainy, muggy air	80Acool, a little rain, clean air	Sintra	5
April	81Anice, rainy, clean air	85Anice, a little rain, clean air	Sintra	4
May	91Snice, a little rain, muggy air	90Snice, a little rain, clean air	Tie	1
June	94Swarm, a little rain, muggy air	93Snice, dry, clean air	Tie	1
July	88Awarm, dry, clean air	94Swarm, dry, clean air	Sintra	6
August	87Awarm, dry, clean air	95Swarm, dry, clean air	Sintra	8
September	89Awarm, a little rain	91Swarm, dry, clean air	Tie	2
October	78Bnice, rainy, clean air	85Anice, a little rain, clean air	Sintra	7
November	68Ccool, soaked, clean air	77Bnice, rainy, clean air	Sintra	9
December	65Ccool, rainy, clean air	74Bcool, a little rain, clean air	Sintra	9

A month is a tie when the two are within 3 points. The widest gap is January (64 vs 74). Tap a month for that month's temperature, rain, humidity and air quality side by side.