United Kingdom · urban-centre population 10,416,420
London
Weather values are area-weighted across the 1,646 km² urban centre (10 ERA5 cells).
13.6
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 7°C, p10 3°C, p90 12°C
- February: average 9°C, p10 4°C, p90 13°C
- March: average 11°C, p10 7°C, p90 16°C
- April: average 13°C, p10 10°C, p90 17°C
- May: average 17°C, p10 13°C, p90 21°C
- June: average 21°C, p10 16°C, p90 27°C
- July: average 22°C, p10 19°C, p90 28°C
- August: average 22°C, p10 19°C, p90 26°C
- September: average 20°C, p10 16°C, p90 24°C
- October: average 16°C, p10 13°C, p90 18°C
- November: average 11°C, p10 7°C, p90 15°C
- December: average 9°C, p10 4°C, p90 13°C
Matching days by month · Eternal spring
- January: 0.0 matching days per year
- February: 0.0 matching days per year
- March: 0.7 matching days per year
- April: 0.7 matching days per year
- May: 1.8 matching days per year
- June: 4.1 matching days per year
- July: 1.5 matching days per year
- August: 3.3 matching days per year
- September: 1.3 matching days per year
- October: 0.2 matching days per year
- November: 0.0 matching days per year
- December: 0.0 matching days per year
Presets
- Eternal spring: 13.6 days/yr
- Mild and dry: 22.0 days/yr
- Beach weather: 13.8 days/yr
- Crisp and clear: 11.3 days/yr
- Warm, not sweaty: 38.5 days/yr