🌷 Your Ultimate Garden Calendar!

Weather Almanac: Riley, OR 97758

🗓️ Historical norms for December

November January
Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec.
December avg. precipitation
🌧️ 1.62"
December days below freezing
📉 ≈29.4 days
Average December lows 15°F – 22°F
USDA Zone
6a
Annual extreme lows -10°F to -5°F
Last Spring Frost (36°F)
🌷 Always
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First Fall Frost (36°F)
🍂 Always
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Book Recommendations (ads!)

📚 Pacific Northwest Month-by-Month Gardening: What to Do Each Month to Have a Beautiful Garden All Year

📚 Gardening in the Pacific Northwest: The Complete Homeowner's Guide

📚 Growing Vegetables West of the Cascades, 35th Anniversary Edition: The Complete Guide to Organic 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: SQUAW BUTTE-NORTHERN GREAT BAS (USC00358029)

Precipitation climatic data from weather station: SQUAW BUTTE-NORTHERN GREAT BAS (USC00358029)

Agricultural climatic data from weather station: SQUAW BUTTE-NORTHERN GREAT BAS (USC00358029)