Sayō
Japan · 16K
Lifestyle Calendar
When this city supports your activity — and when it fights you.
Sayō
Japan
Dinner Outside6 – 10 pm
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Verdict
Jan: 0% viability
0Feb: 0% viability
0Mar: 9% viability
9Apr: 31% viability
31May: 68% viability
68Jun: 79% viability
79Jul: 78% viability
78Aug: 83% viability
83Sep: 87% viability
87Oct: 56% viability
56Nov: 15% viability
15Dec: 0% viability
0Cold
Friction Breakdown
Heat
Cold
Wind
Rain
Humid
Air Q.
Best months: Jun–SepChallenging: Jan–Apr, 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.
Sayō
Japan
Annual Average
FairWHO annual classification
12.4µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
1111 µg/m³ — Fair
1313 µg/m³ — Fair
1515 µg/m³ — Fair
1313 µg/m³ — Fair
1313 µg/m³ — Fair
1515 µg/m³ — Fair
1212 µg/m³ — Fair
1111 µg/m³ — Fair
1111 µg/m³ — Fair
1313 µg/m³ — Fair
1212 µg/m³ — Fair
1212 µg/m³ — Fair
Jan
Feb
Mar
Apr
May
Jun
1111 µg/m³ — Fair
1313 µg/m³ — Fair
1515 µg/m³ — Fair
1313 µg/m³ — Fair
1313 µg/m³ — Fair
1515 µg/m³ — Fair
Jul
Aug
Sep
Oct
Nov
Dec
1212 µg/m³ — Fair
1111 µg/m³ — Fair
1111 µg/m³ — Fair
1313 µg/m³ — Fair
1212 µg/m³ — Fair
1212 µg/m³ — Fair
Best months: Jan, Aug–SepWorst months: Feb–Mar, Jun
Fair10–15 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholdsConfidence: ●●●
Sun & UV Profile
Monthly sunshine, sky clarity, and UV exposure patterns.
Sayō
Japan
Annual Summary
Sunshine
2,131hrs/yr
Clear sky
43%
Worst month
4.7hrs/day
Vit D months
7.3months
UV 8+ days
26days/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
7.97.9 hrs — Good
8.98.9 hrs — Sunny
1010 hrs — Very Sunny
1010 hrs — Very Sunny
9.49.4 hrs — Sunny
9.99.9 hrs — Sunny
9.69.6 hrs — Sunny
8.28.2 hrs — Sunny
8.68.6 hrs — Sunny
7.47.4 hrs — Good
6.86.8 hrs — Good
Jan
Feb
Mar
Apr
May
Jun
7.07.0 hrs — Good
7.97.9 hrs — Good
8.98.9 hrs — Sunny
1010 hrs — Very Sunny
1010 hrs — Very Sunny
9.49.4 hrs — Sunny
Jul
Aug
Sep
Oct
Nov
Dec
9.99.9 hrs — Sunny
9.69.6 hrs — Sunny
8.28.2 hrs — Sunny
8.68.6 hrs — Sunny
7.47.4 hrs — Good
6.86.8 hrs — Good
Best months: Apr–May, JulWorst months: Jan, Nov–Dec
GoodSunnyVery Sunny
Based on ERA5 sunshine data · CAMS UV indexConfidence: ●●●