Weather Almanac: Mount Vernon, OR 97865

🗓️ Historical norms for December

December avg. precipitation
🌧️ 1.24"
December days below freezing
📉 ≈26.8 days
Average December lows 19°F – 26°F
USDA Zone
6b
Annual extreme lows -5°F to 0°F
Last Spring Frost (36°F)
🌷 Always
First Fall Frost (36°F)
🍂 Always

Temperature climatic data from weather station: JOHN DAY (USC00354291)

Precipitation climatic data from weather station: JOHN DAY (USC00354291)

Agricultural climatic data from weather station: JOHN DAY (USC00354291)