Weather Almanac: Plymouth, WA 99346

🗓️ Historical norms for September

September avg. precipitation
🌧️ 0.36"
September days below freezing
📉 ≈0.0 days
Average September lows 51°F – 55°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)