Average monthly snow and rainfall in Longmont (CO)
The mean monthly precipitation over the year in Longmont (Colorado), including rain, snow, hail.
- Longmont has dry periods in January, February, November and December.
- On average, May is the wettest month with 62 mm of precipitation.
- On average, January is the driest month with 10 mm of precipitation.
- The average amount of annual precipitation is 363 mm.
Weather Forecasts for Longmont (CO)
almost clear and no rain
overcast and rain
broken clouds and no rain