Weather Almanac: Portland, OR 97232

🗓️ Historical norms for January

January avg. precipitation
🌧️ 6.14"
January days below freezing
📉 ≈5.3 days
Average January lows 35°F – 40°F
USDA Zone
9a
Annual extreme lows 20°F to 25°F
Last Spring Frost (36°F)
🌷 Apr 14
First Fall Frost (36°F)
🍂 Nov 4

Temperature climatic data from weather station: PORTLAND KGW-TV (USC00356749)

Precipitation climatic data from weather station: PORTLAND KGW-TV (USC00356749)

Agricultural climatic data from weather station: PORTLAND KGW-TV (USC00356749)