United States · population 18,113
Mattoon
43.6
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 2°C, p10 -5°C, p90 9°C
- February: average 6°C, p10 -6°C, p90 15°C
- March: average 14°C, p10 6°C, p90 22°C
- April: average 18°C, p10 10°C, p90 26°C
- May: average 24°C, p10 17°C, p90 30°C
- June: average 29°C, p10 24°C, p90 34°C
- July: average 29°C, p10 26°C, p90 32°C
- August: average 29°C, p10 25°C, p90 32°C
- September: average 27°C, p10 21°C, p90 31°C
- October: average 20°C, p10 14°C, p90 27°C
- November: average 12°C, p10 3°C, p90 21°C
- December: average 7°C, p10 -2°C, p90 15°C
Matching days by month · Warm, not sweaty
- January: 0.0 matching days per year
- February: 0.4 matching days per year
- March: 3.2 matching days per year
- April: 4.8 matching days per year
- May: 6.8 matching days per year
- June: 4.0 matching days per year
- July: 0.8 matching days per year
- August: 4.0 matching days per year
- September: 6.8 matching days per year
- October: 9.6 matching days per year
- November: 3.0 matching days per year
- December: 0.2 matching days per year
Presets
- Eternal spring: 28.2 days/yr
- Mild and dry: 43.6 days/yr
- Beach weather: 37.2 days/yr
- Crisp and clear: 22.2 days/yr
- Warm, not sweaty: 43.6 days/yr