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Weather Almanac: Rock Island, IL 61201

🗓️ Historical norms for July

June August
Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec.
July avg. precipitation
🌧️ 4.06"
July days below freezing
📉 ≈0.0 days
Average July lows 66°F – 70°F
USDA Zone
5b
Annual extreme lows -15°F to -10°F
Last Spring Frost (36°F)
🌷 Apr 28
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First Fall Frost (36°F)
🍂 Oct 10
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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: ROCK ISLAND L&D 15 (USC00117391)

Precipitation climatic data from weather station: ROCK ISLAND L&D 15 (USC00117391)

Agricultural climatic data from weather station: ROCK ISLAND L&D 15 (USC00117391)