Weather Almanac: Ariel, WA 98603

🗓️ Historical norms for May

May avg. precipitation
🌧️ 4.10"
May days below freezing
📉 ≈0.1 days
Average May lows 44°F – 48°F
USDA Zone
8b
Annual extreme lows 15°F to 20°F
Last Spring Frost (36°F)
🌷 May 9
First Fall Frost (36°F)
🍂 Oct 20

Temperature climatic data from weather station: COUGAR 6 E (USC00451760)

Precipitation climatic data from weather station: MERWIN DAM (USC00455305)

Agricultural climatic data from weather station: COUGAR 6 E (USC00451760)