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Climatology, Thornton Weather

Denver sets record high temperature for December 19

December 19, 2025 Thornton Weather

Record High Temperature

The ridiculous warm temperatures have set a high temperature record for the date.

As measured at Denver International Airport, the Mile High City saw a high temperature today of 69 degrees. This breaks the previous record high for December 19 of 67 degrees.

Here in Thornton, we were even warmer with a high of 73 degrees.

record heatRecord Temperatureweather record

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