Lisbon vs Sintra: which is better, month by month

Lisbon and Sintra split the year 2–2 — Lisbon wins April to May, Sintra wins July to August, and they are within 3 points in the other 8 months.

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.

Lisbon

🇵🇹 Portugal · mild climate

Best month: May 95/100
Months won: 2 of 12

Sintra

🇵🇹 Portugal · mild climate

Best month: August 95/100
Months won: 2 of 12

Lisbon vs Sintra — all 12 months

Month	Lisbon	Sintra	Winner	Gap
January	75Bcool, a little rain, clean air	74Bcool, a little rain, clean air	Tie	1
February	80Acool, a little rain, clean air	78Bcool, a little rain, clean air	Tie	2
March	83Anice, a little rain, clean air	80Acool, a little rain, clean air	Tie	3
April	89Anice, a little rain, clean air	85Anice, a little rain, clean air	Lisbon	4
May	95Snice, a little rain, clean air	90Snice, a little rain, clean air	Lisbon	5
June	93Swarm, dry, clean air	93Snice, dry, clean air	Tie	0
July	87Ahot, dry, clean air	94Swarm, dry, clean air	Sintra	7
August	86Ahot, dry, clean air	95Swarm, dry, clean air	Sintra	9
September	89Awarm, dry, clean air	91Swarm, dry, clean air	Tie	2
October	88Anice, a little rain, clean air	85Anice, a little rain, clean air	Tie	3
November	79Bnice, rainy, clean air	77Bnice, rainy, clean air	Tie	2
December	75Bcool, a little rain, clean air	74Bcool, a little rain, clean air	Tie	1

A month is a tie when the two are within 3 points. The widest gap is August (86 vs 95). Tap a month for that month's temperature, rain, humidity and air quality side by side.