Weather Almanac: Keystone, SD 57751

🌱 Growing Season

USDA Zone

5a

Annual extreme lows -20°F to -15°F

Last Spring Frost (36°F)

🌷 Jun 3

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First Fall Frost (36°F)

🍂 Sep 16

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🗓️ Monthly Weather Almanac

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📚 Book Recommendations (ads!)

📚 Prairie & Plains States Month-by-Month Gardening: What to Do Each Month to Have a Beautiful Garden All Year

📚 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

📍 Zip Codes

57751 (Keystone, SD)

Temperature climatic data from weather station: MT RUSHMORE NATL MEM (USC00395870)

Precipitation climatic data from weather station: MT RUSHMORE NATL MEM (USC00395870)

Agricultural climatic data from weather station: MT RUSHMORE NATL MEM (USC00395870)