Weather Almanac: Wallula, WA 99363

🗓️ Historical norms for May

May avg. precipitation
🌧️ 1.13"
May days below freezing
📉 ≈0.1 days
Average May lows 46°F – 50°F
USDA Zone
7b
Annual extreme lows 5°F to 10°F
Last Spring Frost (36°F)
🌷 May 1
First Fall Frost (36°F)
🍂 Oct 2

Temperature climatic data from weather station: ICE HARBOR DAM (USC00453883)

Precipitation climatic data from weather station: ICE HARBOR DAM (USC00453883)

Agricultural climatic data from weather station: ICE HARBOR DAM (USC00453883)