Saint Peters
United States · 53K
Lifestyle Calendar
When this city supports your activity — and when it fights you.
Saint Peters
United States
Dinner Outside6 – 10 pm
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Verdict
Jan: 0% viability
0Feb: 1% viability
1Mar: 21% viability
21Apr: 47% viability
47May: 70% viability
70Jun: 86% viability
86Jul: 76% viability
76Aug: 82% viability
82Sep: 87% viability
87Oct: 49% viability
49Nov: 10% viability
10Dec: 0% viability
0Cold
Friction Breakdown
Heat
Cold
Wind
Rain
Humid
Air Q.
Best months: May–SepChallenging: 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.
Saint Peters
United States
Annual Average
GoodWHO annual classification
8.8µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
9.29.2 µg/m³ — Good
8.08.0 µg/m³ — Good
7.97.9 µg/m³ — Good
6.86.8 µg/m³ — Good
6.96.9 µg/m³ — Good
8.38.3 µg/m³ — Good
1010 µg/m³ — Fair
1010 µg/m³ — Fair
9.79.7 µg/m³ — Good
8.78.7 µg/m³ — Good
1111 µg/m³ — Fair
8.68.6 µg/m³ — Good
Jan
Feb
Mar
Apr
May
Jun
9.29.2 µg/m³ — Good
8.08.0 µg/m³ — Good
7.97.9 µg/m³ — Good
6.86.8 µg/m³ — Good
6.96.9 µg/m³ — Good
8.38.3 µg/m³ — Good
Jul
Aug
Sep
Oct
Nov
Dec
1010 µg/m³ — Fair
1010 µg/m³ — Fair
9.79.7 µg/m³ — Good
8.78.7 µg/m³ — Good
1111 µg/m³ — Fair
8.68.6 µg/m³ — Good
Best months: Mar–MayWorst months: Jul–Aug, Nov
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.
Saint Peters
United States
Annual Summary
Sunshine
2,457hrs/yr
Clear sky
50%
Worst month
2.0hrs/day
Vit D months
7.7months
UV 8+ days
44days/yr
UV 11+ days
0days/yr
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Daily hrs
5.45.4 hrs — Moderate
8.98.9 hrs — Sunny
8.98.9 hrs — Sunny
9.69.6 hrs — Sunny
9.79.7 hrs — Sunny
1212 hrs — Very Sunny
1212 hrs — Very Sunny
1111 hrs — Very Sunny
1010 hrs — Sunny
8.78.7 hrs — Sunny
8.18.1 hrs — Sunny
5.95.9 hrs — Moderate
Jan
Feb
Mar
Apr
May
Jun
5.45.4 hrs — Moderate
8.98.9 hrs — Sunny
8.98.9 hrs — Sunny
9.69.6 hrs — Sunny
9.79.7 hrs — Sunny
1212 hrs — Very Sunny
Jul
Aug
Sep
Oct
Nov
Dec
1212 hrs — Very Sunny
1111 hrs — Very Sunny
1010 hrs — Sunny
8.78.7 hrs — Sunny
8.18.1 hrs — Sunny
5.95.9 hrs — Moderate
Best months: Jun–AugWorst months: Jan, Nov–Dec
ModerateSunnyVery Sunny
Based on ERA5 sunshine data · CAMS UV indexConfidence: ●●●