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Weather Almanac: Grand Coulee, WA 99133

🗓️ Historical norms for July

June August
Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec.
July avg. precipitation
🌧️ 0.64"
July days below freezing
📉 ≈777.7 days
Average July lows 55°F – 61°F
USDA Zone
7a
Annual extreme lows 0°F to 5°F
Last Spring Frost (36°F)
🌷 May 18
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First Fall Frost (36°F)
🍂 Sep 30
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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: COULEE DAM 1 SW (USC00451767)

Precipitation climatic data from weather station: COULEE DAM 1 SW (USC00451767)

Agricultural climatic data from weather station: COULEE DAM 1 SW (USC00451767)