Portland
United States · 16K
Lifestyle Calendar
When this city supports your activity — and when it fights you.
Portland
United States
Dinner Outside6 – 10 pm
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Verdict
Jan: 29% viability
29Feb: 35% viability
35Mar: 65% viability
65Apr: 72% viability
72May: 68% viability
68Jun: 76% viability
76Jul: 74% viability
74Aug: 77% viability
77Sep: 84% viability
84Oct: 85% viability
85Nov: 63% viability
63Dec: 43% viability
43Cold
Friction Breakdown
Heat
Cold
Wind
Rain
Humid
Air Q.
Best months: Apr, Jun–OctChallenging: Jan, Feb
ComfortableModerateUncomfortable
Based on 2014–2024 hourly climate data · Updated Mar 2025Confidence: ●●●
Air Quality Profile
Annual and monthly PM2.5 levels against WHO guidelines.
Portland
United States
Annual Average
GoodWHO annual classification
7.7µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
7.37.3 µg/m³ — Good
7.67.6 µg/m³ — Good
8.28.2 µg/m³ — Good
9.09.0 µg/m³ — Good
9.49.4 µg/m³ — Good
8.88.8 µg/m³ — Good
7.87.8 µg/m³ — Good
7.47.4 µg/m³ — Good
8.48.4 µg/m³ — Good
7.27.2 µg/m³ — Good
5.75.7 µg/m³ — Good
5.85.8 µg/m³ — Good
Jan
Feb
Mar
Apr
May
Jun
7.37.3 µg/m³ — Good
7.67.6 µg/m³ — Good
8.28.2 µg/m³ — Good
9.09.0 µg/m³ — Good
9.49.4 µg/m³ — Good
8.88.8 µg/m³ — Good
Jul
Aug
Sep
Oct
Nov
Dec
7.87.8 µg/m³ — Good
7.47.4 µg/m³ — Good
8.48.4 µg/m³ — Good
7.27.2 µg/m³ — Good
5.75.7 µg/m³ — Good
5.85.8 µg/m³ — Good
Best months: Oct–DecWorst months: Apr–Jun
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.
Portland
United States
Annual Summary
Sunshine
2,727hrs/yr
Clear sky
53%
Worst month
5.4hrs/day
Vit D months
10.6months
UV 8+ days
133days/yr
UV 11+ days
4days/yr
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Daily hrs
7.77.7 hrs — Good
8.98.9 hrs — Sunny
8.58.5 hrs — Sunny
8.98.9 hrs — Sunny
1010 hrs — Sunny
1111 hrs — Very Sunny
1111 hrs — Very Sunny
1111 hrs — Very Sunny
1010 hrs — Very Sunny
9.29.2 hrs — Sunny
8.68.6 hrs — Sunny
7.47.4 hrs — Good
Jan
Feb
Mar
Apr
May
Jun
7.77.7 hrs — Good
8.98.9 hrs — Sunny
8.58.5 hrs — Sunny
8.98.9 hrs — Sunny
1010 hrs — Sunny
1111 hrs — Very Sunny
Jul
Aug
Sep
Oct
Nov
Dec
1111 hrs — Very Sunny
1111 hrs — Very Sunny
1010 hrs — Very Sunny
9.29.2 hrs — Sunny
8.68.6 hrs — Sunny
7.47.4 hrs — Good
Best months: Jun–AugWorst months: Jan, Mar, Dec
GoodSunnyVery Sunny
Based on ERA5 sunshine data · CAMS UV indexConfidence: ●●●