United States · population 36,081
Issaquah
57.4
matching days / year for “Warm, not sweaty” · 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 4°C, p90 11°C
- February: average 7°C, p10 3°C, p90 12°C
- March: average 11°C, p10 7°C, p90 15°C
- April: average 14°C, p10 9°C, p90 21°C
- May: average 17°C, p10 12°C, p90 23°C
- June: average 21°C, p10 15°C, p90 28°C
- July: average 25°C, p10 20°C, p90 29°C
- August: average 24°C, p10 19°C, p90 29°C
- September: average 20°C, p10 16°C, p90 25°C
- October: average 15°C, p10 11°C, p90 21°C
- November: average 10°C, p10 6°C, p90 14°C
- December: average 7°C, p10 3°C, p90 11°C
Matching days by month · Warm, not sweaty
- January: 0.0 matching days per year
- February: 0.2 matching days per year
- March: 1.4 matching days per year
- April: 3.4 matching days per year
- May: 6.0 matching days per year
- June: 9.2 matching days per year
- July: 11.2 matching days per year
- August: 8.6 matching days per year
- September: 10.8 matching days per year
- October: 6.4 matching days per year
- November: 0.2 matching days per year
- December: 0.0 matching days per year
Presets
- Eternal spring: 37.6 days/yr
- Mild and dry: 44.6 days/yr
- Beach weather: 47.4 days/yr
- Crisp and clear: 11.6 days/yr
- Warm, not sweaty: 57.4 days/yr