Germany · urban-centre population 183,113
Heidelberg
Weather values are area-weighted across the 46 km² urban centre (3 ERA5 cells).
34.6
matching days / year for “Mild and dry” · 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 0°C, p90 10°C
- February: average 8°C, p10 3°C, p90 13°C
- March: average 12°C, p10 6°C, p90 18°C
- April: average 14°C, p10 7°C, p90 21°C
- May: average 19°C, p10 14°C, p90 25°C
- June: average 25°C, p10 19°C, p90 31°C
- July: average 25°C, p10 21°C, p90 31°C
- August: average 26°C, p10 20°C, p90 31°C
- September: average 21°C, p10 14°C, p90 28°C
- October: average 16°C, p10 12°C, p90 21°C
- November: average 9°C, p10 4°C, p90 14°C
- December: average 6°C, p10 0°C, p90 11°C
Matching days by month · Mild and dry
- January: 0.0 matching days per year
- February: 1.2 matching days per year
- March: 4.5 matching days per year
- April: 4.9 matching days per year
- May: 6.5 matching days per year
- June: 4.9 matching days per year
- July: 3.2 matching days per year
- August: 1.2 matching days per year
- September: 5.0 matching days per year
- October: 3.2 matching days per year
- November: 0.0 matching days per year
- December: 0.0 matching days per year
Presets
- Eternal spring: 24.7 days/yr
- Mild and dry: 34.6 days/yr
- Beach weather: 30.7 days/yr
- Crisp and clear: 13.5 days/yr
- Warm, not sweaty: 42.5 days/yr