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Denver, CO Weather on July 17
Denver hits 105°F on July 17, 2003 during scorching summer
July 17 typically brings warm summer weather to Denver with an average high of 90°F, but the record books tell a more extreme story. In 2003, the temperature soared to 105°F, representing the hottest July 17 in at least 55 years of records. Meanwhile, the coldest recorded low on this date was 51°F in 1972, showing the surprising range of conditions possible even in midsummer.
What to Expect on July 17
Planning for July 17th in Denver, CO? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Frequently Asked Questions
What was the warmest July 17 ever in Denver?
The warmest July 17 in Denver, CO reached 101°F in 2003. That is 12°F above the long-term average high of 89°F.
What was the coldest July 17 ever in Denver?
The coldest July 17 in Denver, CO dropped to 50°F in 2010. That is 10°F below the long-term average low of 60°F.
What is the average temperature on July 17 in Denver?
On July 17, Denver averages a high of 89°F and a low of 60°F based on 55 years of NOAA weather observations from DENVER-STAPLETON.
How many years of weather data are available for July 17 in Denver?
We have 55 years of weather records for July 17 in Denver, CO, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.
July 17 Weather History in Denver
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 76°F | 57°F | 0.13" | -- |
| 2024 | 88°F | 57°F | 1.02" | -- |
| 2023 | 88°F | 59°F | 0" | -- |
| 2022 | 93°F | 64°F | 0" | -- |
| 2021 | 95°F | 59°F | 0" | -- |
| 2020 | 93°F | 58°F | 0" | -- |
| 2019 | 96°F | 60°F | 0" | -- |
| 2018 | 89°F | 62°F | 0" | -- |
| 2017 | 90°F | 55°F | 0" | -- |
| 2016 | 96°F | 59°F | 0" | -- |
| 2015 | 88°F | 58°F | 0" | -- |
| 2014 | 75°F | 56°F | 1.04" | -- |
| 2013 | 82°F | 60°F | 0" | -- |
| 2012 | 91°F | 61°F | 0.46" | -- |
| 2011 | 91°F | 61°F | 0.03" | -- |
| 2010 | 95°F | 50°F | 0" | -- |
| 2009 | 83°F | 58°F | 0" | -- |
| 2008 | 96°F | 63°F | 0" | -- |
| 2007 | 97°F | 60°F | 0" | -- |
| 2006 | 100°F | 69°F | 0" | -- |
| 2005 | 99°F | 62°F | 0" | -- |
| 2004 | 73°F | 60°F | 0.84" | -- |
| 2003 | 101°F | 67°F | 0" | -- |
| 2002 | 97°F | 59°F | 0" | -- |
| 2001 | 90°F | 57°F | 0" | -- |
| 2000 | 85°F | 61°F | 2.9" | -- |
| 1999 | 71°F | 60°F | 0.1" | -- |
| 1998 | 92°F | 63°F | 0" | -- |
| 1997 | 100°F | 66°F | 0" | -- |
| 1996 | 93°F | 60°F | 0.03" | -- |
| 1995 | 83°F | 58°F | 0.1" | -- |
| 1994 | 92°F | 54°F | 0" | -- |
| 1993 | 69°F | 61°F | 0.08" | -- |
| 1992 | 77°F | 53°F | 0.86" | -- |
| 1991 | 97°F | 64°F | 0" | -- |
| 1990 | 93°F | 59°F | 0" | -- |
| 1989 | 97°F | 59°F | 0" | -- |
| 1988 | 89°F | 61°F | 0" | -- |
| 1987 | 85°F | 60°F | 0" | -- |
| 1986 | 87°F | 58°F | 2.26" | -- |
| 1985 | 92°F | 62°F | 0.03" | -- |
| 1984 | 87°F | 60°F | 0" | -- |
| 1983 | 96°F | 57°F | 0" | -- |
| 1982 | 83°F | 53°F | 0" | -- |
| 1981 | 84°F | 64°F | 0.13" | -- |
| 1980 | 92°F | 66°F | 0" | -- |
| 1979 | 81°F | 58°F | 0.03" | -- |
| 1978 | 94°F | 63°F | 0.25" | -- |
| 1977 | 98°F | 66°F | 0" | -- |
| 1976 | 93°F | 63°F | 0" | -- |
| 1975 | 87°F | 57°F | 0" | -- |
| 1974 | 91°F | 59°F | 0.05" | -- |
| 1973 | 90°F | 57°F | 0" | -- |
| 1972 | 66°F | 53°F | 0.13" | -- |
| 1971 | 101°F | 64°F | 0" | -- |
Based on 55 years of data from NOAA station: DENVER-STAPLETON
How Has July 17 Changed?
The last decade has been 1.2°F cooler on this date compared to 20-30 years ago.
Monthly Climate Averages
Historical temperature and precipitation averages for Denver, CO, based on 55+ years of weather data.
Temperatures in Fahrenheit. Precipitation and snowfall in inches.