US flagLancaster

United States · 64K

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: 0% viability
0
Feb: 3% viability
3
Mar: 20% viability
20
Apr: 56% viability
56
May: 81% viability
81
Jun: 91% viability
91
Jul: 91% viability
91
Aug: 94% viability
94
Sep: 94% viability
94
Oct: 73% viability
73
Nov: 8% viability
8
Dec: 0% viability
0
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
8.0µg/m³
Jan
Feb
Mar
Apr
May
Jun
7.77.7 µg/m³ — Good
6.76.7 µg/m³ — Good
7.17.1 µg/m³ — Good
7.47.4 µg/m³ — Good
6.96.9 µg/m³ — Good
8.48.4 µg/m³ — Good
Jul
Aug
Sep
Oct
Nov
Dec
9.19.1 µg/m³ — Good
8.58.5 µg/m³ — Good
1212 µg/m³ — Fair
7.57.5 µg/m³ — Good
6.86.8 µg/m³ — Good
8.18.1 µg/m³ — Good
Best months: Feb, May, NovWorst months: Jul–Sep
Good5–10 µg/m³Fair10–15 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholdsConfidence: ●●●

Sun & UV Profile

Monthly sunshine, sky clarity, and UV exposure patterns.

Annual Summary
Sunshine
3,587hrs/yr
Clear sky
75%
Worst month
7.0hrs/day
Vit D months
10.0months
UV 8+ days
146days/yr
UV 11+ days
24days/yr
Jan
Feb
Mar
Apr
May
Jun
8.68.6 hrsSunny
9.59.5 hrsSunny
9.79.7 hrsSunny
1212 hrsVery Sunny
1313 hrsVery Sunny
1414 hrsVery Sunny
Jul
Aug
Sep
Oct
Nov
Dec
1313 hrsVery Sunny
1212 hrsVery Sunny
1111 hrsVery Sunny
1111 hrsVery Sunny
8.78.7 hrsSunny
8.08.0 hrsGood
Best months: May–JulWorst months: Jan, Nov–Dec
GoodSunnyVery Sunny
Based on ERA5 sunshine data · CAMS UV indexConfidence: ●●●