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Weather Almanac: Chester, IL 62233

🗓️ Historical norms for October

September November
Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec.
October avg. precipitation
🌧️ 3.63"
October days below freezing
📉 ≈2.0 days
Average October lows 43°F – 49°F
USDA Zone
7a
Annual extreme lows 0°F to 5°F
Last Spring Frost (36°F)
🌷 Apr 25
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First Fall Frost (36°F)
🍂 Oct 9
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Book Recommendations (ads!)

📚 Illinois, Indiana & Ohio Month-by-Month Gardening: What to Do Each Month to Have a Beautiful Garden All Year

📚 Grow Great Vegetables Illinois

📚 Midwest Gardener's Handbook, 2nd Edition: All You Need to Know to Plan, Plant & Maintain a Midwest Garden

F: Forecast
H: Normal High Temp
L: Normal Low Temp
Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec.

Temperature climatic data from weather station: KASKASKIA RVR NAV LOCK (USC00114629)

Precipitation climatic data from weather station: CHESTER (USC00111491)

Agricultural climatic data from weather station: KASKASKIA RVR NAV LOCK (USC00114629)