Weather Almanac: Portland, ME 04101

🌱 Growing Season

USDA Zone

6a

Annual extreme lows -10°F to -5°F

Last Spring Frost (36°F)

🌷 May 17

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First Fall Frost (36°F)

🍂 Sep 27

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🗓️ Monthly Weather Almanac

❄️ January

❤️ February

☘️ March

🌧️ April

🌷 May

👰 June

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🏖️ August

📚 September

🎃 October

🦃 November

🎄 December

📚 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

📍 Zip Codes

Temperature climatic data from weather station: PORTLAND INTL JETPORT (USW00014764)

Precipitation climatic data from weather station: PORTLAND INTL JETPORT (USW00014764)

Agricultural climatic data from weather station: PORTLAND INTL JETPORT (USW00014764)