Lieto
Finland · 15K
Lifestyle Calendar
When this city supports your activity — and when it fights you.
LietoFinland
FinlandDinner 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: 14% viability
14May: 54% viability
54Jun: 86% viability
86Jul: 82% viability
82Aug: 75% viability
75Sep: 42% viability
42Oct: 2% viability
2Nov: 0% viability
0Dec: 0% viability
0Cold
Friction Breakdown
Heat
Cold
Wind
Rain
Humid
Air Q.
Best months: Jun–AugChallenging: 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.
LietoFinland
FinlandAnnual Average
ExcellentWHO annual classification
4.9µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
4.64.6 µg/m³ — Excellent
4.94.9 µg/m³ — Excellent
5.05.0 µg/m³ — Excellent
4.04.0 µg/m³ — Excellent
6.16.1 µg/m³ — Good
5.85.8 µg/m³ — Good
4.94.9 µg/m³ — Excellent
5.45.4 µg/m³ — Good
4.94.9 µg/m³ — Excellent
4.14.1 µg/m³ — Excellent
3.73.7 µg/m³ — Excellent
5.15.1 µg/m³ — Good
Jan
Feb
Mar
Apr
May
Jun
4.64.6 µg/m³ — Excellent
4.94.9 µg/m³ — Excellent
5.05.0 µg/m³ — Excellent
4.04.0 µg/m³ — Excellent
6.16.1 µg/m³ — Good
5.85.8 µg/m³ — Good
Jul
Aug
Sep
Oct
Nov
Dec
4.94.9 µg/m³ — Excellent
5.45.4 µg/m³ — Good
4.94.9 µg/m³ — Excellent
4.14.1 µg/m³ — Excellent
3.73.7 µg/m³ — Excellent
5.15.1 µg/m³ — Good
Best months: Apr, Oct–NovWorst months: May–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.
LietoFinland
FinlandAnnual Summary
Sunshine
1,871hrs/yr
Clear sky
37%
Worst month
0.0hrs/day
Vit D months
3.2months
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
2.02.0 hrs — Dark
7.67.6 hrs — Good
1111 hrs — Very Sunny
1313 hrs — Very Sunny
1414 hrs — Very Sunny
1212 hrs — Very Sunny
1111 hrs — Very Sunny
7.77.7 hrs — Good
4.64.6 hrs — Moderate
0.00.0 hrs — No Sun
0.00.0 hrs — No Sun
Jan
Feb
Mar
Apr
May
Jun
0.00.0 hrs — No Sun
2.02.0 hrs — Dark
7.67.6 hrs — Good
1111 hrs — Very Sunny
1313 hrs — Very Sunny
1414 hrs — Very Sunny
Jul
Aug
Sep
Oct
Nov
Dec
1212 hrs — Very Sunny
1111 hrs — Very Sunny
7.77.7 hrs — Good
4.64.6 hrs — Moderate
0.00.0 hrs — No Sun
0.00.0 hrs — No Sun
Best months: May–JulWorst months: Jan, Nov–Dec
No SunDarkModerateGoodVery Sunny
Based on ERA5 sunshine data · CAMS UV indexConfidence: ●●●