Weather Almanac: Yankton, SD 57078

🗓️ Historical norms for December

December avg. precipitation
🌧️ 0.79"
December days below freezing
📉 ≈30.5 days
Average December lows 5°F – 16°F
USDA Zone
5a
Annual extreme lows -20°F to -15°F
Last Spring Frost (36°F)
🌷 May 21
First Fall Frost (36°F)
🍂 Sep 16

Temperature climatic data from weather station: GAVINS POINT DAM (USC00253165)

Precipitation climatic data from weather station: GAVINS POINT DAM (USC00253165)

Agricultural climatic data from weather station: GAVINS POINT DAM (USC00253165)