Weather Almanac: Saint Charles, MO 63303

🌱 Growing Season

USDA Zone

7a

Annual extreme lows 0°F to 5°F

Last Spring Frost (36°F)

🌷 Apr 23

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First Fall Frost (36°F)

🍂 Oct 9

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🗓️ Monthly Weather Almanac

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🌷 May

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📚 Book Recommendations (ads!)

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

📚 The Timber Press Guide to Vegetable Gardening in the Midwest

📚 Growing the Midwest Garden: Regional Ornamental Gardening

📍 Zip Codes

Temperature climatic data from weather station: ST CHARLES 7 SSW (USC00237398)

Precipitation climatic data from weather station: ST CHARLES 7 SSW (USC00237398)

Agricultural climatic data from weather station: ST CHARLES 7 SSW (USC00237398)