Weather Almanac: Plymouth, WA 99346

🗓️ Historical norms for December

December avg. precipitation
🌧️ 1.10"
December days below freezing
📉 ≈18.7 days
Average December lows 25°F – 34°F
USDA Zone
7b
Annual extreme lows 5°F to 10°F
Last Spring Frost (36°F)
🌷 Apr 26
First Fall Frost (36°F)
🍂 Oct 17

Temperature climatic data from weather station: MCNARY DAM (USC00455231)

Precipitation climatic data from weather station: MCNARY DAM (USC00455231)

Agricultural climatic data from weather station: MCNARY DAM (USC00455231)