US flagGranite Bay

United States · 20K

Lifestyle Calendar

When this city supports your activity — and when it fights you.

Dinner Outside6 – 10 pm
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan: 1% viability
1
Feb: 7% viability
7
Mar: 30% viability
30
Apr: 67% viability
67
May: 85% viability
85
Jun: 88% viability
88
Jul: 81% viability
81
Aug: 85% viability
85
Sep: 91% viability
91
Oct: 77% viability
77
Nov: 7% viability
7
Dec: 1% viability
1
Friction Breakdown
Best months: May–OctChallenging: Jan–Mar, 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.

Annual Average
GoodWHO annual classification
9.0µg/m³
Jan
Feb
Mar
Apr
May
Jun
8.38.3 µg/m³ — Good
7.27.2 µg/m³ — Good
6.56.5 µg/m³ — Good
7.17.1 µg/m³ — Good
6.26.2 µg/m³ — Good
6.36.3 µg/m³ — Good
Jul
Aug
Sep
Oct
Nov
Dec
9.49.4 µg/m³ — Good
1616 µg/m³ — Moderate
1717 µg/m³ — Moderate
8.68.6 µg/m³ — Good
7.67.6 µg/m³ — Good
8.78.7 µg/m³ — Good
Best months: Mar, May–JunWorst months: Jul–Sep
Good5–10 µg/m³Moderate15–25 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholdsConfidence: ●●●

Sun & UV Profile

Monthly sunshine, sky clarity, and UV exposure patterns.

Annual Summary
Sunshine
3,254hrs/yr
Clear sky
65%
Worst month
4.5hrs/day
Vit D months
7.9months
UV 8+ days
99days/yr
UV 11+ days
0days/yr
Jan
Feb
Mar
Apr
May
Jun
7.07.0 hrsGood
8.98.9 hrsSunny
9.99.9 hrsSunny
1111 hrsVery Sunny
1313 hrsVery Sunny
1414 hrsVery Sunny
Jul
Aug
Sep
Oct
Nov
Dec
1414 hrsVery Sunny
1212 hrsVery Sunny
1111 hrsVery Sunny
9.99.9 hrsSunny
8.28.2 hrsSunny
6.26.2 hrsGood
Best months: May–JulWorst months: Jan, Nov–Dec
GoodSunnyVery Sunny
Based on ERA5 sunshine data · CAMS UV indexConfidence: ●●●