Mount Vernon
United States · 34K
Lifestyle Calendar
When this city supports your activity — and when it fights you.
Mount Vernon
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: 13% viability
13Apr: 32% viability
32May: 54% viability
54Jun: 75% viability
75Jul: 95% viability
95Aug: 92% viability
92Sep: 74% viability
74Oct: 31% viability
31Nov: 0% viability
0Dec: 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.
Mount Vernon
United States
Annual Average
GoodWHO annual classification
5.6µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
4.24.2 µg/m³ — Excellent
5.75.7 µg/m³ — Good
6.26.2 µg/m³ — Good
4.44.4 µg/m³ — Excellent
4.44.4 µg/m³ — Excellent
4.44.4 µg/m³ — Excellent
5.75.7 µg/m³ — Good
6.96.9 µg/m³ — Good
9.09.0 µg/m³ — Good
5.35.3 µg/m³ — Good
5.15.1 µg/m³ — Good
5.75.7 µg/m³ — Good
Jan
Feb
Mar
Apr
May
Jun
4.24.2 µg/m³ — Excellent
5.75.7 µg/m³ — Good
6.26.2 µg/m³ — Good
4.44.4 µg/m³ — Excellent
4.44.4 µg/m³ — Excellent
4.44.4 µg/m³ — Excellent
Jul
Aug
Sep
Oct
Nov
Dec
5.75.7 µg/m³ — Good
6.96.9 µg/m³ — Good
9.09.0 µg/m³ — Good
5.35.3 µg/m³ — Good
5.15.1 µg/m³ — Good
5.75.7 µg/m³ — Good
Best months: Jan, Apr–MayWorst months: Mar, Aug–Sep
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.
Mount Vernon
United States
Annual Summary
Sunshine
2,007hrs/yr
Clear sky
37%
Worst month
0.9hrs/day
Vit D months
5.1months
UV 8+ days
5days/yr
UV 11+ days
0days/yr
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Daily hrs
4.74.7 hrs — Moderate
6.06.0 hrs — Moderate
8.08.0 hrs — Good
9.49.4 hrs — Sunny
1010 hrs — Sunny
1111 hrs — Very Sunny
1313 hrs — Very Sunny
1111 hrs — Very Sunny
9.29.2 hrs — Sunny
7.07.0 hrs — Good
3.03.0 hrs — Low
2.02.0 hrs — Dark
Jan
Feb
Mar
Apr
May
Jun
4.74.7 hrs — Moderate
6.06.0 hrs — Moderate
8.08.0 hrs — Good
9.49.4 hrs — Sunny
1010 hrs — Sunny
1111 hrs — Very Sunny
Jul
Aug
Sep
Oct
Nov
Dec
1313 hrs — Very Sunny
1111 hrs — Very Sunny
9.29.2 hrs — Sunny
7.07.0 hrs — Good
3.03.0 hrs — Low
2.02.0 hrs — Dark
Best months: Jun–AugWorst months: Jan, Nov–Dec
DarkLowModerateGoodSunnyVery Sunny
Based on ERA5 sunshine data · CAMS UV indexConfidence: ●●●