March 2023 weather recap: Thornton sees its second coldest March in recent history

Thornton, Colorado's March 2023 temperature summary. (
Thornton, Colorado’s March 2023 temperature summary. (

Normally, March sees a considerable warmup as we start the transition to spring. If you felt like that was not the case this March, you would be correct.

Thornton’s average temperature for March 2023 came in at 37.1 degrees. This was 5.1 degrees below our running 16-year average. In fact, the month goes in the books as the second coldest March over that same period with only March 2019 being colder (35.1 degrees).

Out at Denver International Airport where the Mile High City’s official measurements are taken, it was actually colder with an overage of 35.9 degrees. That was well below the long term March average for Denver of 41.6 degrees.

Thornton’s temperatures ranged from a high of 73.9 degrees on the 15th down to a low of 15.9 degrees on the 18th. Denver saw a max of 71 degrees on the 15th and its lowest reading of 13 degrees on the 28th.

In terms of precipitation, Thornton ended up pretty much near average. 1.14 inches was recorded between rain and snow melt. That was just shy of the 1.24 inches 16-year average for March.

Denver came in drier with 0.49 inches in the bucket, well short of the long term Denver average for March of 0.86 inches.

Snow was not a big factor during the month, despite the cold. Thornton saw 7.5 inches of the white stuff, well below the running March average of 10.7 inches.

Out at the airport, Denver recorded 5.1 inches, less than half ther March average of 11.5 inches.

Click here to view Thornton’s complete March 2023 climate summary report.

Thornton, Colorado's March 2023 precipitation summary. (
Thornton, Colorado’s March 2023 precipitation summary. (

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