Germany · population 39,550
Mettmann
15.0
matching days / year for “Crisp and clear” · 2021-2025 recent-weather sample (not a 30-year normal)
Monthly high (p10–p90)
Whiskers span the 10th–90th percentile daily high; the tick marks the monthly average.
- January: average 5°C, p10 1°C, p90 11°C
- February: average 8°C, p10 3°C, p90 13°C
- March: average 11°C, p10 6°C, p90 17°C
- April: average 13°C, p10 8°C, p90 20°C
- May: average 18°C, p10 13°C, p90 24°C
- June: average 23°C, p10 18°C, p90 29°C
- July: average 23°C, p10 19°C, p90 28°C
- August: average 24°C, p10 18°C, p90 30°C
- September: average 20°C, p10 14°C, p90 27°C
- October: average 15°C, p10 12°C, p90 19°C
- November: average 9°C, p10 4°C, p90 14°C
- December: average 7°C, p10 1°C, p90 11°C
Matching days by month · Crisp and clear
- January: 0.0 matching days per year
- February: 1.8 matching days per year
- March: 6.6 matching days per year
- April: 2.6 matching days per year
- May: 0.4 matching days per year
- June: 0.0 matching days per year
- July: 0.0 matching days per year
- August: 0.0 matching days per year
- September: 0.4 matching days per year
- October: 1.4 matching days per year
- November: 1.4 matching days per year
- December: 0.4 matching days per year
Presets
- Eternal spring: 19.6 days/yr
- Mild and dry: 31.2 days/yr
- Beach weather: 19.4 days/yr
- Crisp and clear: 15.0 days/yr
- Warm, not sweaty: 38.2 days/yr