Sterling
United States · 15K
Lifestyle Calendar
When this city supports your activity — and when it fights you.
Sterling
United States
Dinner Outside6 – 10 pm
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Verdict
Jan: 0% viability
0Feb: 0% viability
0Mar: 6% viability
6Apr: 26% viability
26May: 58% viability
58Jun: 85% viability
85Jul: 87% viability
87Aug: 91% viability
91Sep: 83% viability
83Oct: 29% viability
29Nov: 2% viability
2Dec: 0% viability
0Cold
Friction Breakdown
Heat
Cold
Wind
Rain
Humid
Air Q.
Best months: Jun–SepChallenging: Jan–Apr, Oct–Dec
ComfortableModerateUncomfortable
Based on 2014–2024 hourly climate data · Updated Mar 2025Confidence: ●●●
Air Quality Profile
Annual and monthly PM2.5 levels against WHO guidelines.
Sterling
United States
Annual Average
GoodWHO annual classification
6.4µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
8.48.4 µg/m³ — Good
9.29.2 µg/m³ — Good
6.76.7 µg/m³ — Good
5.25.2 µg/m³ — Good
5.85.8 µg/m³ — Good
5.65.6 µg/m³ — Good
5.45.4 µg/m³ — Good
5.45.4 µg/m³ — Good
5.45.4 µg/m³ — Good
5.05.0 µg/m³ — Excellent
7.37.3 µg/m³ — Good
8.18.1 µg/m³ — Good
Jan
Feb
Mar
Apr
May
Jun
8.48.4 µg/m³ — Good
9.29.2 µg/m³ — Good
6.76.7 µg/m³ — Good
5.25.2 µg/m³ — Good
5.85.8 µg/m³ — Good
5.65.6 µg/m³ — Good
Jul
Aug
Sep
Oct
Nov
Dec
5.45.4 µg/m³ — Good
5.45.4 µg/m³ — Good
5.45.4 µg/m³ — Good
5.05.0 µg/m³ — Excellent
7.37.3 µg/m³ — Good
8.18.1 µg/m³ — Good
Best months: Apr, Jul, OctWorst months: Jan–Feb, Dec
Excellent0–5 µg/m³Good5–10 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholdsConfidence: ●●●
Sun & UV Profile
Monthly sunshine, sky clarity, and UV exposure patterns.
Sterling
United States
Annual Summary
Sunshine
2,335hrs/yr
Clear sky
46%
Worst month
1.1hrs/day
Vit D months
6.9months
UV 8+ days
25days/yr
UV 11+ days
0days/yr
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Daily hrs
4.04.0 hrs — Low
8.18.1 hrs — Sunny
8.38.3 hrs — Sunny
9.99.9 hrs — Sunny
1010 hrs — Very Sunny
1212 hrs — Very Sunny
1212 hrs — Very Sunny
1111 hrs — Very Sunny
9.79.7 hrs — Sunny
8.38.3 hrs — Sunny
7.67.6 hrs — Good
6.06.0 hrs — Moderate
Jan
Feb
Mar
Apr
May
Jun
4.04.0 hrs — Low
8.18.1 hrs — Sunny
8.38.3 hrs — Sunny
9.99.9 hrs — Sunny
1010 hrs — Very Sunny
1212 hrs — Very Sunny
Jul
Aug
Sep
Oct
Nov
Dec
1212 hrs — Very Sunny
1111 hrs — Very Sunny
9.79.7 hrs — Sunny
8.38.3 hrs — Sunny
7.67.6 hrs — Good
6.06.0 hrs — Moderate
Best months: Jun–AugWorst months: Jan, Nov–Dec
LowModerateGoodSunnyVery Sunny
Based on ERA5 sunshine data · CAMS UV indexConfidence: ●●●