Canada · urban-centre population 432,788
Hamilton
Weather values are area-weighted across the 132 km² urban centre (2 ERA5 cells).
31.7
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 -1°C, p10 -6°C, p90 4°C
- February: average 1°C, p10 -6°C, p90 8°C
- March: average 7°C, p10 0°C, p90 15°C
- April: average 12°C, p10 5°C, p90 19°C
- May: average 18°C, p10 11°C, p90 25°C
- June: average 24°C, p10 19°C, p90 28°C
- July: average 26°C, p10 23°C, p90 29°C
- August: average 25°C, p10 21°C, p90 29°C
- September: average 22°C, p10 18°C, p90 26°C
- October: average 16°C, p10 10°C, p90 22°C
- November: average 8°C, p10 2°C, p90 14°C
- December: average 3°C, p10 -2°C, p90 9°C
Matching days by month · Eternal spring
- January: 0.0 matching days per year
- February: 0.0 matching days per year
- March: 0.0 matching days per year
- April: 0.8 matching days per year
- May: 4.9 matching days per year
- June: 5.2 matching days per year
- July: 3.9 matching days per year
- August: 4.5 matching days per year
- September: 8.4 matching days per year
- October: 3.9 matching days per year
- November: 0.1 matching days per year
- December: 0.0 matching days per year
Presets
- Eternal spring: 31.7 days/yr
- Mild and dry: 41.5 days/yr
- Beach weather: 31.9 days/yr
- Crisp and clear: 13.5 days/yr
- Warm, not sweaty: 51.6 days/yr