HabiBubble

DE flagClausthal-Zellerfeld

Germany · 15K

Lifestyle Calendar

When this city supports your activity — and when it fights you.

Dinner Outside6 – 10 pm
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan: 0% viability
0
Feb: 0% viability
0
Mar: 5% viability
5
Apr: 26% viability
26
May: 60% viability
60
Jun: 82% viability
82
Jul: 79% viability
79
Aug: 76% viability
76
Sep: 67% viability
67
Oct: 18% viability
18
Nov: 0% viability
0
Dec: 0% viability
0
Friction Breakdown
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.

Annual Average
GoodWHO annual classification
5.4µg/m³
Jan
Feb
Mar
Apr
May
Jun
5.15.1 µg/m³ — Good
5.45.4 µg/m³ — Good
5.85.8 µg/m³ — Good
7.47.4 µg/m³ — Good
5.85.8 µg/m³ — Good
6.46.4 µg/m³ — Good
Jul
Aug
Sep
Oct
Nov
Dec
4.94.9 µg/m³ — Excellent
4.84.8 µg/m³ — Excellent
5.05.0 µg/m³ — Excellent
4.14.1 µg/m³ — Excellent
4.54.5 µg/m³ — Excellent
5.15.1 µg/m³ — Good
Best months: Aug, Oct–NovWorst months: Apr–Jun
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.

Annual Summary
Sunshine
1,597hrs/yr
Clear sky
32%
Worst month
0.1hrs/day
Vit D months
4.4months
UV 8+ days
0days/yr
UV 11+ days
0days/yr
Jan
Feb
Mar
Apr
May
Jun
1.01.0 hrs — Dark
4.04.0 hrs — Low
7.87.8 hrs — Good
8.98.9 hrs — Sunny
1010 hrs — Very Sunny
1111 hrs — Very Sunny
Jul
Aug
Sep
Oct
Nov
Dec
1010 hrs — Sunny
9.79.7 hrs — Sunny
8.58.5 hrs — Sunny
4.34.3 hrs — Moderate
3.03.0 hrs — Low
0.00.0 hrs — No Sun
Best months: May–JulWorst months: Jan, Nov–Dec
No SunDarkLowModerateGoodSunnyVery Sunny
Based on ERA5 sunshine data · CAMS UV indexConfidence: ●●●