Overall, October was on the warm side with 18 days of above-normal high temperatures, 10 days below normal and three days of average high temperatures from Oct. 3-5.
Record warmth was recorded on Oct. 20 when Denver set a new daily record high of 86 degrees.
Denver also started the month of October with a low of 58 degrees. This set a new record for the warmest low temperature recorded on Oct. 1.
The end of October brought the first measurable snowfall of the season for Denver. Denver International Airport reported 5.3 inches of snow on Oct. 28, and 2.2 inches of snow on Oct. 29.
The monthly snowfall total of 7.5 inches in October was more than 3 inches above what Denver sees in a typical October, and much closer to November’s monthly snowfall.
Record heat before snow returns
After the snow, Denver woke up to the coldest air of the season. On Monday, Oct. 30, Denver recorded a low of 11 degrees, which is a temperature Denver hasn’t fallen to since April 5.
But, the cold did not last for long. Just six days later on Sunday, Nov. 5, Denver set a new record high of 78 degrees, beating the previous record of 77 degrees set in 2009 and 2020.