Weather Almanac: San Luis Obispo, CA 93410

🌱 Growing Season

USDA Zone

9b

Annual extreme lows 25°F to 30°F

Last Spring Frost (36°F)

🌷 Mar 26

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First Fall Frost (36°F)

🍂 Nov 24

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📚 Book Recommendations (ads!)

📚 Month-by-Month Gardening California: What to Do Each Month to Have a Beautiful Garden All Year

📚 Pacific Northwest Month-by-Month Gardening: What to Do Each Month to Have a Beautiful Garden All Year

📚 California Gardener's Handbook: Your Complete Guide: Select - Plan - Plant - Maintain - Problem-solve

Temperature climatic data from weather station: SAN LUIS OBISPO POLY U (USC00047851)

Precipitation climatic data from weather station: SAN LUIS OBISPO POLY U (USC00047851)

Agricultural climatic data from weather station: SAN LUIS OBISPO POLY U (USC00047851)