Weather Almanac: Tumtum, WA 99034

🗓️ Historical norms for December

December avg. precipitation
🌧️ 2.53"
December days below freezing
📉 ≈30.5 days
Average December lows 14°F – 21°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: WELLPINIT (USC00459058)

Precipitation climatic data from weather station: SPOKANE WFO (USC00457941)

Agricultural climatic data from weather station: SPOKANE WFO (USC00457941)