🌷 Your Ultimate Garden Calendar!

Weather Almanac: New Castle, PA 16101

🗓️ Historical norms for April

March May
Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec.
April avg. precipitation
🌧️ 3.32"
April days below freezing
📉 ≈12.1 days
Average April lows 33°F – 38°F
USDA Zone
6a
Annual extreme lows -10°F to -5°F
Last Spring Frost (36°F)
🌷 May 23
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First Fall Frost (36°F)
🍂 Sep 29
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Book Recommendations (ads!)

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

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

📚 The Timber Press Guide to Vegetable Gardening in the Northeast

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: NEW CASTLE 1 N (USC00366233)

Precipitation climatic data from weather station: NEW CASTLE 1 N (USC00366233)

Agricultural climatic data from weather station: NEW CASTLE 1 N (USC00366233)