Weather Almanac: Ottumwa, IA 52501

🌱 Growing Season

USDA Zone

5b

Annual extreme lows -15°F to -10°F

Last Spring Frost (36°F)

🌷 May 6

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First Fall Frost (36°F)

🍂 Sep 25

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🗓️ Monthly Weather Almanac

❄️ January

❤️ February

☘️ March

🌧️ April

🌷 May

👰 June

🎆 July

🏖️ August

📚 September

🎃 October

🦃 November

🎄 December

📚 Book Recommendations (ads!)

📚 Prairie & Plains States Month-by-Month Gardening: What to Do Each Month to Have a Beautiful Garden All Year

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

📚 The Timber Press Guide to Vegetable Gardening in the Midwest

Temperature climatic data from weather station: OTTUMWA INDUSTRIAL AP (USW00014950)

Precipitation climatic data from weather station: OTTUMWA #1 (USC00136392)

Agricultural climatic data from weather station: OTTUMWA INDUSTRIAL AP (USW00014950)