St. John's
Canada · 75K
Lifestyle Calendar
When this city supports your activity — and when it fights you.
St. John's
Canada
Dinner Outside6 – 10 pm
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Verdict
Jan: 0% viability
0Feb: 0% viability
0Mar: 0% viability
0Apr: 0% viability
0May: 8% viability
8Jun: 32% viability
32Jul: 66% viability
66Aug: 62% viability
62Sep: 31% viability
31Oct: 5% viability
5Nov: 0% viability
0Dec: 0% viability
0Cold
Friction Breakdown
Heat
Cold
Wind
Rain
Humid
Air Q.
Best months: NoneChallenging: Jan–Jun, Sep–Dec
ComfortableModerateUncomfortable
Based on 2014–2024 hourly climate data · Updated Mar 2025Confidence: ●●●
Air Quality Profile
Annual and monthly PM2.5 levels against WHO guidelines.
St. John's
Canada
Annual Average
GoodWHO annual classification
5.1µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
5.75.7 µg/m³ — Good
5.25.2 µg/m³ — Good
5.75.7 µg/m³ — Good
6.46.4 µg/m³ — Good
4.14.1 µg/m³ — Excellent
5.15.1 µg/m³ — Good
5.25.2 µg/m³ — Good
5.05.0 µg/m³ — Excellent
4.84.8 µg/m³ — Excellent
4.64.6 µg/m³ — Excellent
4.34.3 µg/m³ — Excellent
5.45.4 µg/m³ — Good
Jan
Feb
Mar
Apr
May
Jun
5.75.7 µg/m³ — Good
5.25.2 µg/m³ — Good
5.75.7 µg/m³ — Good
6.46.4 µg/m³ — Good
4.14.1 µg/m³ — Excellent
5.15.1 µg/m³ — Good
Jul
Aug
Sep
Oct
Nov
Dec
5.25.2 µg/m³ — Good
5.05.0 µg/m³ — Excellent
4.84.8 µg/m³ — Excellent
4.64.6 µg/m³ — Excellent
4.34.3 µg/m³ — Excellent
5.45.4 µg/m³ — Good
Best months: May, Oct–NovWorst months: Jan, Mar–Apr
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.
St. John's
Canada
Annual Summary
Sunshine
1,498hrs/yr
Clear sky
27%
Worst month
0.7hrs/day
Vit D months
4.8months
UV 8+ days
0days/yr
UV 11+ days
0days/yr
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Daily hrs
3.03.0 hrs — Low
5.75.7 hrs — Moderate
7.97.9 hrs — Good
6.66.6 hrs — Good
1111 hrs — Very Sunny
7.97.9 hrs — Good
8.58.5 hrs — Sunny
8.08.0 hrs — Good
7.07.0 hrs — Good
5.05.0 hrs — Moderate
3.63.6 hrs — Low
4.04.0 hrs — Low
Jan
Feb
Mar
Apr
May
Jun
3.03.0 hrs — Low
5.75.7 hrs — Moderate
7.97.9 hrs — Good
6.66.6 hrs — Good
1111 hrs — Very Sunny
7.97.9 hrs — Good
Jul
Aug
Sep
Oct
Nov
Dec
8.58.5 hrs — Sunny
8.08.0 hrs — Good
7.07.0 hrs — Good
5.05.0 hrs — Moderate
3.63.6 hrs — Low
4.04.0 hrs — Low
Best months: May, Jul–AugWorst months: Jan, Nov–Dec
LowModerateGoodSunnyVery Sunny
Based on ERA5 sunshine data · CAMS UV indexConfidence: ●●●