Viernheim
Germany · 33K
Lifestyle Calendar
When this city supports your activity — and when it fights you.
Viernheim
Germany
Dinner Outside6 – 10 pm
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Verdict
Jan: 0% viability
0Feb: 1% viability
1Mar: 9% viability
9Apr: 41% viability
41May: 71% viability
71Jun: 82% viability
82Jul: 88% viability
88Aug: 85% viability
85Sep: 76% viability
76Oct: 32% viability
32Nov: 0% viability
0Dec: 0% viability
0Cold
Friction Breakdown
Heat
Cold
Wind
Rain
Humid
Air Q.
Best months: May–SepChallenging: Jan–Mar, 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.
Viernheim
Germany
Annual Average
GoodWHO annual classification
8.2µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
1111 µg/m³ — Fair
7.37.3 µg/m³ — Good
8.18.1 µg/m³ — Good
9.99.9 µg/m³ — Good
7.47.4 µg/m³ — Good
7.67.6 µg/m³ — Good
6.56.5 µg/m³ — Good
7.27.2 µg/m³ — Good
8.08.0 µg/m³ — Good
7.27.2 µg/m³ — Good
9.19.1 µg/m³ — Good
9.89.8 µg/m³ — Good
Jan
Feb
Mar
Apr
May
Jun
1111 µg/m³ — Fair
7.37.3 µg/m³ — Good
8.18.1 µg/m³ — Good
9.99.9 µg/m³ — Good
7.47.4 µg/m³ — Good
7.67.6 µg/m³ — Good
Jul
Aug
Sep
Oct
Nov
Dec
6.56.5 µg/m³ — Good
7.27.2 µg/m³ — Good
8.08.0 µg/m³ — Good
7.27.2 µg/m³ — Good
9.19.1 µg/m³ — Good
9.89.8 µg/m³ — Good
Best months: Jul–Aug, OctWorst months: Jan, Apr, Dec
Good5–10 µg/m³Fair10–15 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholdsConfidence: ●●●
Sun & UV Profile
Monthly sunshine, sky clarity, and UV exposure patterns.
Viernheim
Germany
Annual Summary
Sunshine
1,849hrs/yr
Clear sky
37%
Worst month
0.4hrs/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
2.62.6 hrs — Low
5.95.9 hrs — Moderate
8.68.6 hrs — Sunny
9.49.4 hrs — Sunny
1111 hrs — Very Sunny
1212 hrs — Very Sunny
1212 hrs — Very Sunny
1010 hrs — Sunny
8.78.7 hrs — Sunny
5.65.6 hrs — Moderate
2.32.3 hrs — Low
0.00.0 hrs — No Sun
Jan
Feb
Mar
Apr
May
Jun
2.62.6 hrs — Low
5.95.9 hrs — Moderate
8.68.6 hrs — Sunny
9.49.4 hrs — Sunny
1111 hrs — Very Sunny
1212 hrs — Very Sunny
Jul
Aug
Sep
Oct
Nov
Dec
1212 hrs — Very Sunny
1010 hrs — Sunny
8.78.7 hrs — Sunny
5.65.6 hrs — Moderate
2.32.3 hrs — Low
0.00.0 hrs — No Sun
Best months: May–JulWorst months: Jan, Nov–Dec
No SunLowModerateSunnyVery Sunny
Based on ERA5 sunshine data · CAMS UV indexConfidence: ●●●