China · urban-centre population 405,454
Jiashan
Weather values are area-weighted across the 84 km² urban centre (3 ERA5 cells).
22.3
matching days / year for “Eternal spring” · 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 10°C, p10 6°C, p90 15°C
- February: average 11°C, p10 6°C, p90 17°C
- March: average 17°C, p10 11°C, p90 25°C
- April: average 22°C, p10 17°C, p90 27°C
- May: average 26°C, p10 21°C, p90 30°C
- June: average 29°C, p10 24°C, p90 34°C
- July: average 34°C, p10 30°C, p90 37°C
- August: average 34°C, p10 31°C, p90 38°C
- September: average 30°C, p10 26°C, p90 34°C
- October: average 24°C, p10 20°C, p90 30°C
- November: average 19°C, p10 14°C, p90 23°C
- December: average 12°C, p10 6°C, p90 17°C
Matching days by month · Eternal spring
- January: 0.6 matching days per year
- February: 0.5 matching days per year
- March: 4.0 matching days per year
- April: 2.9 matching days per year
- May: 2.5 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: 0.0 matching days per year
- October: 3.8 matching days per year
- November: 5.8 matching days per year
- December: 2.3 matching days per year
Presets
- Eternal spring: 22.3 days/yr
- Mild and dry: 38.6 days/yr
- Beach weather: 18.0 days/yr
- Crisp and clear: 30.8 days/yr
- Warm, not sweaty: 41.1 days/yr