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Weather Almanac: Castine, ME 04421

🗓️ Historical norms for April

March May
Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec.
April avg. precipitation
🌧️ 4.63"
April days below freezing
📉 ≈15.6 days
Average April lows 30°F – 34°F
USDA Zone
5b
Annual extreme lows -15°F to -10°F
Last Spring Frost (36°F)
🌷 May 26
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First Fall Frost (36°F)
🍂 Sep 20
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Book Recommendations (ads!)

📚 New England Month-by-Month Gardening: What To Do Each Month To Have a Beautiful Garden All Year - Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, Vermont

📚 New England Gardener's Handbook: All You Need to Know to Plan, Plant & Maintain a New England 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: BELFAST (USC00170480)

Precipitation climatic data from weather station: BELFAST (USC00170480)

Agricultural climatic data from weather station: BELFAST (USC00170480)