Sintra
Portugal · 26K
Lifestyle Calendar
When this city supports your activity — and when it fights you.
Sintra
Portugal
Dinner Outside6 – 10 pm
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Verdict
Jan: 9% viability
9Feb: 15% viability
15Mar: 15% viability
15Apr: 35% viability
35May: 33% viability
33Jun: 38% viability
38Jul: 36% viability
36Aug: 31% viability
31Sep: 61% viability
61Oct: 45% viability
45Nov: 25% viability
25Dec: 8% viability
8Wind
Friction Breakdown
Heat
Cold
Wind
Rain
Humid
Air Q.
Best months: NoneChallenging: Jan–Aug, Nov–Dec
ComfortableModerateUncomfortable
Based on 2014–2024 hourly climate data · Updated Mar 2025Confidence: ●●●
Air Quality Profile
Annual and monthly PM2.5 levels against WHO guidelines.
Sintra
Portugal
Annual Average
GoodWHO annual classification
6.7µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
7.47.4 µg/m³ — Good
8.28.2 µg/m³ — Good
7.37.3 µg/m³ — Good
6.66.6 µg/m³ — Good
6.56.5 µg/m³ — Good
6.26.2 µg/m³ — Good
6.46.4 µg/m³ — Good
5.35.3 µg/m³ — Good
5.85.8 µg/m³ — Good
7.47.4 µg/m³ — Good
5.95.9 µg/m³ — Good
7.77.7 µg/m³ — Good
Jan
Feb
Mar
Apr
May
Jun
7.47.4 µg/m³ — Good
8.28.2 µg/m³ — Good
7.37.3 µg/m³ — Good
6.66.6 µg/m³ — Good
6.56.5 µg/m³ — Good
6.26.2 µg/m³ — Good
Jul
Aug
Sep
Oct
Nov
Dec
6.46.4 µg/m³ — Good
5.35.3 µg/m³ — Good
5.85.8 µg/m³ — Good
7.47.4 µg/m³ — Good
5.95.9 µg/m³ — Good
7.77.7 µg/m³ — Good
Best months: Aug–Sep, NovWorst months: Feb, Oct, Dec
Good5–10 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholdsConfidence: ●●●
Sun & UV Profile
Monthly sunshine, sky clarity, and UV exposure patterns.
Sintra
Portugal
Annual Summary
Sunshine
2,846hrs/yr
Clear sky
58%
Worst month
5.2hrs/day
Vit D months
7.8months
UV 8+ days
73days/yr
UV 11+ days
0days/yr
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Daily hrs
7.07.0 hrs — Good
8.38.3 hrs — Sunny
9.69.6 hrs — Sunny
1111 hrs — Very Sunny
1212 hrs — Very Sunny
1212 hrs — Very Sunny
1212 hrs — Very Sunny
1212 hrs — Very Sunny
1010 hrs — Very Sunny
8.68.6 hrs — Sunny
7.67.6 hrs — Good
7.47.4 hrs — Good
Jan
Feb
Mar
Apr
May
Jun
7.07.0 hrs — Good
8.38.3 hrs — Sunny
9.69.6 hrs — Sunny
1111 hrs — Very Sunny
1212 hrs — Very Sunny
1212 hrs — Very Sunny
Jul
Aug
Sep
Oct
Nov
Dec
1212 hrs — Very Sunny
1212 hrs — Very Sunny
1010 hrs — Very Sunny
8.68.6 hrs — Sunny
7.67.6 hrs — Good
7.47.4 hrs — Good
Best months: Jun–AugWorst months: Jan, Nov–Dec
GoodSunnyVery Sunny
Based on ERA5 sunshine data · CAMS UV indexConfidence: ●●●