Weather Almanac: Jamestown, CO 80455

🗓️ Historical norms for March

March avg. precipitation
🌧️ 3.17"
March days below freezing
📉 ≈30.0 days
Average March lows ≈15.8°F
USDA Zone
5b
Annual extreme lows -15°F to -10°F
Last Spring Frost (36°F)
🌷 May 22
First Fall Frost (36°F)
🍂 Sep 23

Temperature climatic data from weather station: BOULDER 14 W (USW00094075)

Precipitation climatic data from weather station: BOULDER 14 W (USW00094075)

Agricultural climatic data from weather station: BOULDER (USC00050848)