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Weather Almanac: Frederick, IL 62639

🗓️ Historical norms for April

March May
Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec.
April avg. precipitation
🌧️ 3.57"
April days below freezing
📉 ≈3.9 days
Average April lows 39°F – 45°F
USDA Zone
6a
Annual extreme lows -10°F to -5°F
Last Spring Frost (36°F)
🌷 May 3
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First Fall Frost (36°F)
🍂 Oct 1
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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: RUSHVILLE 4NE (USC00117551)

Precipitation climatic data from weather station: BEARDSTOWN (USC00110492)

Agricultural climatic data from weather station: RUSHVILLE 4NE (USC00117551)