Siilinjärvi
Finland · 20K
Lifestyle Calendar
When this city supports your activity — and when it fights you.
Siilinjärvi
Finland
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: 7% viability
7May: 47% viability
47Jun: 79% viability
79Jul: 72% viability
72Aug: 79% viability
79Sep: 28% viability
28Oct: 0% viability
0Nov: 0% viability
0Dec: 0% viability
0Cold
Friction Breakdown
Heat
Cold
Wind
Rain
Humid
Air Q.
Best months: Jun–AugChallenging: Jan–Apr, 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.
Siilinjärvi
Finland
Annual Average
ExcellentWHO annual classification
3.9µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
3.63.6 µg/m³ — Excellent
3.83.8 µg/m³ — Excellent
4.04.0 µg/m³ — Excellent
3.63.6 µg/m³ — Excellent
3.83.8 µg/m³ — Excellent
5.75.7 µg/m³ — Good
4.24.2 µg/m³ — Excellent
4.54.5 µg/m³ — Excellent
3.33.3 µg/m³ — Excellent
3.43.4 µg/m³ — Excellent
3.03.0 µg/m³ — Excellent
4.24.2 µg/m³ — Excellent
Jan
Feb
Mar
Apr
May
Jun
3.63.6 µg/m³ — Excellent
3.83.8 µg/m³ — Excellent
4.04.0 µg/m³ — Excellent
3.63.6 µg/m³ — Excellent
3.83.8 µg/m³ — Excellent
5.75.7 µg/m³ — Good
Jul
Aug
Sep
Oct
Nov
Dec
4.24.2 µg/m³ — Excellent
4.54.5 µg/m³ — Excellent
3.33.3 µg/m³ — Excellent
3.43.4 µg/m³ — Excellent
3.03.0 µg/m³ — Excellent
4.24.2 µg/m³ — Excellent
Best months: Sep–NovWorst months: Jun, Aug, 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.
Siilinjärvi
Finland
Annual Summary
Sunshine
1,546hrs/yr
Clear sky
32%
Worst month
0.0hrs/day
Vit D months
2.3months
UV 8+ days
0days/yr
UV 11+ days
0days/yr
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Daily hrs
0.00.0 hrs — No Sun
0.00.0 hrs — No Sun
6.06.0 hrs — Moderate
9.79.7 hrs — Sunny
1212 hrs — Very Sunny
1313 hrs — Very Sunny
1212 hrs — Very Sunny
1111 hrs — Very Sunny
4.04.0 hrs — Low
1.01.0 hrs — Dark
0.00.0 hrs — No Sun
0.00.0 hrs — No Sun
Jan
Feb
Mar
Apr
May
Jun
0.00.0 hrs — No Sun
0.00.0 hrs — No Sun
6.06.0 hrs — Moderate
9.79.7 hrs — Sunny
1212 hrs — Very Sunny
1313 hrs — Very Sunny
Jul
Aug
Sep
Oct
Nov
Dec
1212 hrs — Very Sunny
1111 hrs — Very Sunny
4.04.0 hrs — Low
1.01.0 hrs — Dark
0.00.0 hrs — No Sun
0.00.0 hrs — No Sun
Best months: May–JulWorst months: Feb, Nov–Dec
No SunDarkLowModerateSunnyVery Sunny
Based on ERA5 sunshine data · CAMS UV indexConfidence: ●●●