Weather Almanac: Dewey, IL 61840

🗓️ Historical norms for August

August avg. precipitation
🌧️ 3.81"
August days below freezing
📉 ≈0.0 days
Average August lows 59°F – 65°F
USDA Zone
6a
Annual extreme lows -10°F to -5°F
Last Spring Frost (36°F)
🌷 May 6
First Fall Frost (36°F)
🍂 Oct 1

Temperature climatic data from weather station: RANTOUL (USW00014806)

Precipitation climatic data from weather station: FISHER (USC00113061)

Agricultural climatic data from weather station: RANTOUL (USW00014806)