Weather Almanac: Dayton, WA 99328

🗓️ Historical norms for April

April avg. precipitation
🌧️ 1.72"
April days below freezing
📉 ≈4.5 days
Average April lows 35°F – 41°F
USDA Zone
7a
Annual extreme lows 0°F to 5°F
Last Spring Frost (36°F)
🌷 May 1
First Fall Frost (36°F)
🍂 Oct 8

Temperature climatic data from weather station: DAYTON 1 WSW (USC00452030)

Precipitation climatic data from weather station: DAYTON 1 WSW (USC00452030)

Agricultural climatic data from weather station: WALLA WALLA RGNL AP (USW00024160)