Wednesday, July 26, 2017

How Many Times Has It Been 100 Degrees in Denver, Colorado?

Do you know how many times the weather temperature in Denver, Colorado has reached or exceeded 100 degrees? This is a fascinating weather trivia question that most people in the Denver area would love to know the answer to.


If you live in the Denver metropolitan area you already know that 100 degree weather temperature days are not particularly common even though summers can be pretty hot in Denver. But exactly how many times has it been 100 degrees or hotter in Denver?

The weather data for 100 degree days in Denver dates back to 1872. In addition to the total number of 100 degree weather temperature days also listed below are the most times it's been 100 degrees in a year, most number of days in a row, which decade has had the most 100 degree weather temperature days and a breakdown of 100 degree days by month plus the last time it was 100 degrees in Denver.


How Many Times Has It Been 100 Degrees in Denver, Colorado?


  • Number of 100 Degree Temperature Days in Denver - 87 days


Denver has had 87 days when the weather temperature reached or exceeded 100 degrees since 1872. That works out to a 100 degree day about once every one and half years on average. As you can see below, though, some years have had multiple 100 degree days and many other years have had none.

  • Most 100 Degree Days in One Year - 13


In 2013, Denver had a record number of 100 degree weather temperature days with 13.

  • Decade with the Most 100 Degree Days - 22 (2000s)


From 2000 to 2009, Denver had a record number of 100 degree weather temperature days with 22. The next most for a full decade is 8 which occurred during both the 1870s and the 1990s. There have also been nineteen 100 degree days in Denver so far in the 2010s.

The 1870s very likely had more than 8 days when the temperature reached 100 degrees. The data for Denver starts in 1872, and from the cities where data is available from 1871 it's clear that was also a very hot year in many parts of the United States.

  • Breakdown of 100 Degree Days by Month for Denver


1. July - 58

2. June - 15 

3. August - 14

  • Most Consecutive 100 Degree Days - 5 in a row (three different times)


From July 4-8, 1989, and from July 19-23, 2005, and also from June 22-26, 2012, Denver had a record number of 100 degree days in a row with 5 each time.

  • Last Time it was 100 Degrees in Denver was on July 6, 2017, when it was exactly 100 degrees.

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