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Weather Almanac: Reston, VA 20190

🗓️ Historical norms for March

February April
Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec.
March avg. precipitation
🌧️ 3.82"
March days below freezing
📉 ≈16.5 days
Average March lows 30°F – 35°F
USDA Zone
7b
Annual extreme lows 5°F to 10°F
Last Spring Frost (36°F)
🌷 May 1
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First Fall Frost (36°F)
🍂 Oct 11
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Book Recommendations (ads!)

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

📚 Grow Great Vegetables in Virginia

📚 Mid-Atlantic Gardener's Handbook, 2nd Edition: All You Need to Know to Plan, Plant & Maintain a Mid-Atlantic 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: VIENNA (USC00448737)

Precipitation climatic data from weather station: VIENNA (USC00448737)

Agricultural climatic data from weather station: VIENNA (USC00448737)