🌷 Your Ultimate Garden Calendar!

Weather Almanac: Saint Charles, MO 63304

🗓️ Historical norms for May

April June
Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec.
May avg. precipitation
🌧️ 4.90"
May days below freezing
📉 ≈0.2 days
Average May lows 50°F – 58°F
USDA Zone
6b
Annual extreme lows -5°F to 0°F
Last Spring Frost (36°F)
🌷 Apr 30
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First Fall Frost (36°F)
🍂 Oct 2
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Book Recommendations (ads!)

📚 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

📚 Growing the Midwest Garden: Regional Ornamental Gardening

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: WELDON SPRING NWS (USC00238805)

Precipitation climatic data from weather station: WELDON SPRING NWS (USC00238805)

Agricultural climatic data from weather station: WELDON SPRING NWS (USC00238805)