Click to access the National Weather Service Forecast for the Grand Junction/Fruita Area 

With elevations ranging from 4,000 ft to nearly 7,000 ft, weather at Colorado National Monument is represented by semi‑desert and upland climates.

Annual precipitation averages 11.03 inches, fairly evenly spread throughout the year. August through October is usually the wettest period, but there is often a peak in March as well.

Temperatures are highly variable with summer highs ranging into the low 100s in the valley floor and in some cases can reach 110+ inside the neighboring canyon country.  Winters at the monument are generally mild with lows occasionally dipping into the sub‑zero readings.

The annual mean high temperature is 61 degrees Fahrenheit, and mean low temperature is 39 degrees Fahrenheit. Snowfall averages approximately 38 inches annually.  Heaviest accumulations usually occur during January and February.

Climate Chart (.xls file) (18.5kb)