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Weather Almanac: Mount Vernon, IL 62864

🗓️ Historical norms for June

May July
Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec.
June avg. precipitation
🌧️ 3.88"
June days below freezing
📉 ≈0.0 days
Average June lows 61°F – 65°F
USDA Zone
6b
Annual extreme lows -5°F to 0°F
Last Spring Frost (36°F)
🌷 May 1
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First Fall Frost (36°F)
🍂 Oct 2
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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: MT VERNON 3 NE (USC00115943)

Precipitation climatic data from weather station: MT VERNON 3 NE (USC00115943)

Agricultural climatic data from weather station: MT VERNON 3 NE (USC00115943)