Do You Know Which Colorado County Gets the Most Rain?

While some parts of America experience a typical spring during April and May, Colorado's spring season can start in March, April, or May. Some years it arrives, then winter comes back, and then it's spring again.

Read More: Enjoy an Awesome Dinner at Silverton Colorado's Best Restaurants

Colorado's 'spring' weather, along with our annual monsoon season, can add up to some significant rainfall at times. So where does most of Colorado's rainfall, and which county gets the most rainfall statewide?

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Colorado's Rainiest County

According to Stacker.com, the county with the most rainfall in the state is San Juan County in southwestern Colorado. San Juan County's five-year average for rainfall is 35.61 inches. In 2023, the county received 42.16 inches of rain.

San Juan County averages seven more inches of rain than Colorado's second rainiest county, Pitkin, which averages 27.45 inches of rain each year. How does the Western Slope compare?

• Mesa County: Ranked 35th with 15.20 inches of rainfall annually.
• Delta County: Ranked 31st with 15.62 inches of rainfall annually.
• Montrose County: Somehow Stacker.com did not include Montrose County in their data.

Things to See in San Juan County

Colorado's Million Dollar Highway, the headwaters of the Rio Grande River, and a portion of the famous Colorado Trail (88 miles through the San Juan National Forest) are all found in San Juan County, Colorado.

San Juan County is about 388 square miles of Colorado mountain country, with a population of less than 1000 residents.

Read More: See Colorado's Amazing Hike to Columbine Lake in the San Juans

San Juan County's Most Popular Attraction

San Juan County's most popular attraction might be the Silverton station which is part of the historic Durango-Silverton Narrow Guage Railroad. Nearly 200,000 tickets are sold each year for the trip that takes about 3.5 hours each way, with a two-hour layover in Silverton surrounded by the San Juan Mountains.