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Weather Almanac: Belleville, IL 62221

🗓️ 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
📉 ≈0.0 days
Average May lows 52°F – 59°F
USDA Zone
7a
Annual extreme lows 0°F to 5°F
Last Spring Frost (36°F)
🌷 Apr 29
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First Fall Frost (36°F)
🍂 Sep 30
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Book Recommendations (ads!)

📚 Illinois, Indiana & Ohio Month-by-Month Gardening: What to Do Each Month to Have a Beautiful Garden All Year

📚 Grow Great Vegetables Illinois

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

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: BELLEVILLE SIU RSCH (USW00013802)

Precipitation climatic data from weather station: BELLEVILLE SIU RSCH (USW00013802)

Agricultural climatic data from weather station: BELLEVILLE SIU RSCH (USW00013802)