Weather Almanac: Hereford, OR 97837

🗓️ Historical norms for May

May avg. precipitation
🌧️ 1.91"
May days below freezing
📉 ≈9.6 days
Average May lows 34°F – 38°F
USDA Zone
6a
Annual extreme lows -10°F to -5°F
Last Spring Frost (36°F)
🌷 Always
First Fall Frost (36°F)
🍂 Always

Temperature climatic data from weather station: MASON DAM (USC00355258)

Precipitation climatic data from weather station: MASON DAM (USC00355258)

Agricultural climatic data from weather station: MASON DAM (USC00355258)