🌷 Your Ultimate Garden Calendar!

Weather Almanac: Grantsburg, WI 54840

🗓️ Historical norms for December

November January
Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec.
December avg. precipitation
🌧️ 1.32"
December days below freezing
📉 ≈30.7 days
Average December lows -1°F – 15°F
USDA Zone
4a
Annual extreme lows -30°F to -25°F
Last Spring Frost (36°F)
🌷 May 31
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First Fall Frost (36°F)
🍂 Sep 17
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Book Recommendations (ads!)

📚 Minnesota & Wisconsin Month-by-Month Gardening: What to Do Each Month to Have A Beautiful Garden All Year

📚 Grow Great Vegetables Minnesota and Wisconsin

📚 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: GRANTSBURG (USW00014995)

Precipitation climatic data from weather station: GRANTSBURG (USW00014995)

Agricultural climatic data from weather station: GRANTSBURG (USW00014995)