Weather Almanac: Rock River, WY 82083

🗓️ Historical norms for September

September avg. precipitation
🌧️ 1.08"
September days below freezing
📉 ≈6.6 days
Average September lows ≈37.2°F
USDA Zone
4b
Annual extreme lows -25°F to -20°F
Last Spring Frost (36°F)
🌷 Always
First Fall Frost (36°F)
🍂 Always

Temperature climatic data from weather station: ROCK RIVER 13NNW (USC00487836)

Precipitation climatic data from weather station: MEDICINE BOW (USC00486120)

Agricultural climatic data from weather station: MEDICINE BOW (USC00486120)