Average monthly snow and rainfall in Thornton (CO)
The mean monthly precipitation over the year in Thornton (Colorado), including rain, snow, hail.
- Thornton has dry periods in January, February, November and December.
- On average, May is the wettest month with 72 mm of precipitation.
- On average, January is the driest month with 12 mm of precipitation.
- The average amount of annual precipitation is 424 mm.
Weather Forecasts for Thornton (CO)
overcast and chance of sleet
overcast and rain
broken clouds and slight sleet