Weather Almanac: Rock Island, WA 98850

🗓️ Historical norms for December

December avg. precipitation
🌧️ 1.40"
December days below freezing
📉 ≈26.4 days
Average December lows 18°F – 29°F
USDA Zone
7a
Annual extreme lows 0°F to 5°F
Last Spring Frost (36°F)
🌷 Apr 30
First Fall Frost (36°F)
🍂 Oct 9

Temperature climatic data from weather station: WENATCHEE PANGBORN AP (USW00094239)

Precipitation climatic data from weather station: WENATCHEE PANGBORN AP (USW00094239)

Agricultural climatic data from weather station: WENATCHEE PANGBORN AP (USW00094239)