Weather Almanac: Greycliff, MT 59033

🗓️ Historical norms for September

September avg. precipitation
🌧️ 1.19"
September days below freezing
📉 ≈1.9 days
Average September lows 41°F – 45°F
USDA Zone
5a
Annual extreme lows -20°F to -15°F
Last Spring Frost (36°F)
🌷 Jun 1
First Fall Frost (36°F)
🍂 Sep 10

Temperature climatic data from weather station: BIG TIMBER (USC00240780)

Precipitation climatic data from weather station: BIG TIMBER (USC00240780)

Agricultural climatic data from weather station: BIG TIMBER (USC00240780)