Weather Almanac: Ione, OR 97843

🗓️ Historical norms for December

December avg. precipitation
🌧️ 1.54"
December days below freezing
📉 ≈24.3 days
Average December lows 21°F – 30°F
USDA Zone
7b
Annual extreme lows 5°F to 10°F
Last Spring Frost (36°F)
🌷 May 10
First Fall Frost (36°F)
🍂 Sep 28

Temperature climatic data from weather station: HEPPNER (USC00353827)

Precipitation climatic data from weather station: IONE 18 S (USC00354161)

Agricultural climatic data from weather station: BOARDMAN (USC00350858)