MONTHLY CLIMATOLOGICAL SUMMARY for AUG. 2025 NAME: Sumner Illinois Weather CITY: Sumner STATE: IL ELEV: 449 ft LAT: 38° 43' 02" N LONG: 87° 51' 39" W TEMPERATURE (°F), RAIN (in), WIND SPEED (mph) HEAT COOL AVG MEAN DEG DEG WIND DOM DAY TEMP HIGH TIME LOW TIME DAYS DAYS RAIN SPEED HIGH TIME DIR ------------------------------------------------------------------------------------ 1 72.2 83.7 4:00p 63.5 6:30a 0.2 7.4 0.00 4.5 22.0 3:30p N 2 70.8 84.0 5:00p 60.4 6:30a 1.1 6.9 0.00 3.7 18.0 1:00p N 3 72.3 85.9 6:00p 59.6 6:30a 1.4 8.8 0.00 3.0 15.0 1:00p N 4 70.1 81.6 1:00p 63.7 12:00m 0.1 5.2 0.68 3.2 21.0 6:00p N 5 74.9 90.1 6:30p 62.9 1:30a 0.5 10.4 0.00 1.3 11.0 3:30p N 6 77.8 93.4 5:00p 65.7 6:30a 0.0 12.8 0.00 1.1 9.0 12:30p N 7 79.8 92.7 5:30p 69.0 6:30a 0.0 14.8 0.00 1.9 10.0 11:00a N 8 81.8 95.6 5:00p 70.5 6:30a 0.0 16.8 0.00 2.9 14.0 2:00p ESE 9 81.8 94.8 4:30p 70.5 6:30a 0.0 16.8 0.00 3.2 16.0 1:30p S 10 81.4 94.3 3:00p 71.2 6:30a 0.0 16.4 0.00 3.4 14.0 4:30p N 11 81.9 97.7 5:00p 70.1 6:30a 0.0 16.9 0.00 2.3 13.0 12:00p N 12 79.2 96.4 4:30p 71.7 5:00a 0.0 14.2 0.13 2.4 19.0 6:30p N 13 78.6 91.2 4:30p 68.8 6:00a 0.0 13.6 0.00 1.3 8.0 1:00p N 14 81.3 96.6 5:00p 69.0 6:30a 0.0 16.3 0.00 1.5 12.0 4:00p N 15 83.2 99.6 4:00p 69.5 6:30a 0.0 18.2 0.00 1.9 11.0 4:00p ESE 16 84.0 98.2 4:30p 71.9 6:30a 0.0 19.0 0.00 2.0 10.0 2:00p N 17 83.6 96.4 5:30p 74.6 6:30a 0.0 18.6 0.00 2.9 16.0 8:00a ESE 18 84.3 98.9 4:30p 72.5 6:30a 0.0 19.3 0.00 2.7 14.0 9:00a ESE 19 82.6 96.2 2:30p 74.3 6:00a 0.0 17.6 0.04 2.9 24.0 4:00p SE 20 75.4 84.2 4:30p 69.3 12:00m 0.0 10.4 0.00 3.1 16.0 9:00a N 21 72.7 80.2 2:30p 66.5 7:30a 0.0 7.7 0.00 2.5 12.0 1:00p N 22 72.5 86.8 6:00p 62.2 7:00a 0.4 7.9 0.00 1.9 13.0 4:30p N 23 71.0 83.0 2:00p 57.5 6:30a 1.7 7.6 0.00 2.1 12.0 3:00p N 24 67.5 76.7 5:00p 56.5 12:00m 1.7 4.1 0.00 4.9 22.0 12:30p N 25 62.0 75.2 3:30p 50.5 6:30a 5.7 2.6 0.00 2.9 19.0 12:30p N 26 62.1 77.1 5:30p 47.2 6:30a 6.6 3.7 0.00 2.0 16.0 2:30p N 27 63.3 81.5 6:30p 47.3 7:00a 6.5 4.8 0.00 0.9 9.0 3:30p N 28 68.1 86.5 5:00p 51.1 6:00a 4.3 7.4 0.00 2.1 15.0 11:30a N 29 70.9 88.0 5:00p 56.7 7:00a 2.1 8.0 0.00 2.0 13.0 9:30a N 30 69.9 85.9 4:30p 54.6 7:00a 2.4 7.3 0.00 2.4 12.0 2:30p N 31 68.4 82.5 4:00p 56.9 7:00a 2.3 5.7 0.00 2.2 18.0 3:00p N ------------------------------------------------------------------------------------- 75.0 99.6 15 47.2 26 37.0 347.2 0.85 2.5 24.0 19 N Max >= 90.0: 15 Max <= 32.0: 0 Min <= 32.0: 0 Min <= 0.0: 0 Max Rain: 0.68 ON 08/04/25 Days of Rain: 3 (>.01 in) 2 (>.1 in) 0 (>1 in) Heat Base: 65.0 Cool Base: 65.0 Method: Integration