United Kingdom · urban-centre population 145,401
Blackburn
Weather values are area-weighted across the 42 km² urban centre (1 ERA5 cells).
9.0
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 6°C, p10 2°C, p90 10°C
- February: average 8°C, p10 4°C, p90 11°C
- March: average 10°C, p10 6°C, p90 15°C
- April: average 12°C, p10 8°C, p90 16°C
- May: average 16°C, p10 12°C, p90 20°C
- June: average 18°C, p10 14°C, p90 24°C
- July: average 19°C, p10 16°C, p90 24°C
- August: average 19°C, p10 16°C, p90 22°C
- September: average 17°C, p10 13°C, p90 22°C
- October: average 14°C, p10 11°C, p90 16°C
- November: average 10°C, p10 5°C, p90 13°C
- December: average 8°C, p10 4°C, p90 11°C
Matching days by month · Eternal spring
- January: 0.0 matching days per year
- February: 0.0 matching days per year
- March: 0.6 matching days per year
- April: 0.0 matching days per year
- May: 2.8 matching days per year
- June: 2.8 matching days per year
- July: 0.8 matching days per year
- August: 1.2 matching days per year
- September: 0.8 matching days per year
- October: 0.0 matching days per year
- November: 0.0 matching days per year
- December: 0.0 matching days per year
Presets
- Eternal spring: 9.0 days/yr
- Mild and dry: 14.4 days/yr
- Beach weather: 5.6 days/yr
- Crisp and clear: 7.2 days/yr
- Warm, not sweaty: 20.6 days/yr