Alliston
Canada · 19K
Lifestyle Calendar
When this city supports your activity — and when it fights you.
Alliston
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: 3% viability
3Apr: 17% viability
17May: 58% viability
58Jun: 80% viability
80Jul: 86% viability
86Aug: 82% viability
82Sep: 75% viability
75Oct: 23% viability
23Nov: 1% viability
1Dec: 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.
Alliston
Canada
Annual Average
GoodWHO annual classification
5.9µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
5.75.7 µg/m³ — Good
5.55.5 µg/m³ — Good
5.15.1 µg/m³ — Good
4.64.6 µg/m³ — Excellent
4.94.9 µg/m³ — Excellent
6.36.3 µg/m³ — Good
7.77.7 µg/m³ — Good
7.67.6 µg/m³ — Good
6.16.1 µg/m³ — Good
5.35.3 µg/m³ — Good
6.16.1 µg/m³ — Good
5.55.5 µg/m³ — Good
Jan
Feb
Mar
Apr
May
Jun
5.75.7 µg/m³ — Good
5.55.5 µg/m³ — Good
5.15.1 µg/m³ — Good
4.64.6 µg/m³ — Excellent
4.94.9 µg/m³ — Excellent
6.36.3 µg/m³ — Good
Jul
Aug
Sep
Oct
Nov
Dec
7.77.7 µg/m³ — Good
7.67.6 µg/m³ — Good
6.16.1 µg/m³ — Good
5.35.3 µg/m³ — Good
6.16.1 µg/m³ — Good
5.55.5 µg/m³ — Good
Best months: Mar–MayWorst months: Jun–Aug
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.
Alliston
Canada
Annual Summary
Sunshine
2,028hrs/yr
Clear sky
40%
Worst month
0.7hrs/day
Vit D months
5.9months
UV 8+ days
12days/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
7.07.0 hrs — Good
8.68.6 hrs — Sunny
9.39.3 hrs — Sunny
1111 hrs — Very Sunny
1212 hrs — Very Sunny
1111 hrs — Very Sunny
1111 hrs — Very Sunny
9.09.0 hrs — Sunny
7.37.3 hrs — Good
5.75.7 hrs — Moderate
2.02.0 hrs — Dark
Jan
Feb
Mar
Apr
May
Jun
3.03.0 hrs — Low
7.07.0 hrs — Good
8.68.6 hrs — Sunny
9.39.3 hrs — Sunny
1111 hrs — Very Sunny
1212 hrs — Very Sunny
Jul
Aug
Sep
Oct
Nov
Dec
1111 hrs — Very Sunny
1111 hrs — Very Sunny
9.09.0 hrs — Sunny
7.37.3 hrs — Good
5.75.7 hrs — Moderate
2.02.0 hrs — Dark
Best months: May–JulWorst months: Jan, Nov–Dec
DarkLowModerateGoodSunnyVery Sunny
Based on ERA5 sunshine data · CAMS UV indexConfidence: ●●●