China · urban-centre population 2,272,104
Lanzhou
Weather values are area-weighted across the 181 km² urban centre (3 ERA5 cells).
43.4
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 2°C, p10 -4°C, p90 7°C
- February: average 4°C, p10 -2°C, p90 12°C
- March: average 13°C, p10 6°C, p90 21°C
- April: average 17°C, p10 10°C, p90 24°C
- May: average 23°C, p10 15°C, p90 29°C
- June: average 26°C, p10 21°C, p90 31°C
- July: average 29°C, p10 23°C, p90 34°C
- August: average 27°C, p10 20°C, p90 32°C
- September: average 22°C, p10 16°C, p90 28°C
- October: average 15°C, p10 10°C, p90 19°C
- November: average 9°C, p10 3°C, p90 15°C
- December: average 3°C, p10 -2°C, p90 8°C
Matching days by month · Mild and dry
- January: 0.0 matching days per year
- February: 0.6 matching days per year
- March: 6.3 matching days per year
- April: 7.4 matching days per year
- May: 6.7 matching days per year
- June: 1.5 matching days per year
- July: 0.1 matching days per year
- August: 1.9 matching days per year
- September: 5.8 matching days per year
- October: 8.9 matching days per year
- November: 4.1 matching days per year
- December: 0.0 matching days per year
Presets
- Eternal spring: 27.5 days/yr
- Mild and dry: 43.4 days/yr
- Beach weather: 32.7 days/yr
- Crisp and clear: 39.6 days/yr
- Warm, not sweaty: 47.9 days/yr