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Weather Almanac: San Antonio, TX 78249

🗓️ Historical norms for December

November January
Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec.
December avg. precipitation
🌧️ 1.91"
December days below freezing
📉 ≈5.2 days
Average December lows 38°F – 46°F
USDA Zone
9a
Annual extreme lows 20°F to 25°F
Last Spring Frost (36°F)
🌷 Mar 24
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First Fall Frost (36°F)
🍂 Nov 11
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Book Recommendations (ads!)

📚 Texas Month-by-Month Gardening: What to Do Each Month to Have A Beautiful Garden All Year

📚 Grow Great Vegetables in Texas

📚 Southwest Gardener's Handbook: Your Complete Guide: Select, Plan, Plant, Maintain, Problem-Solve - Texas, Arizona, New Mexico, Oklahoma, Southern Nevada, Utah

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: SAN ANTONIO INTL AP (USW00012921)

Precipitation climatic data from weather station: SAN ANTONIO INTL AP (USW00012921)

Agricultural climatic data from weather station: SAN ANTONIO INTL AP (USW00012921)