Weather Almanac: Grafton, IL 62037

🗓️ Historical norms for August

August avg. precipitation
🌧️ 3.27"
August days below freezing
📉 ≈0.0 days
Average August lows 63°F – 68°F
USDA Zone
6b
Annual extreme lows -5°F to 0°F
Last Spring Frost (36°F)
🌷 Apr 23
First Fall Frost (36°F)
🍂 Oct 5

Temperature climatic data from weather station: ST CHARLES CO AP (USW00053904)

Precipitation climatic data from weather station: GRAFTON (USC00113572)

Agricultural climatic data from weather station: ST CHARLES CO AP (USW00053904)