Summit County, CO
Tuesday : a low of 38.3°F averaged over Summit County, CO, the warmest 29 September night in the county average since 2015, 2nd warmest of 76 (county average from NOAA gridded data, 1951 to 2026).
Last updated . This page normally updates every day; the latest update is late.
- High
- 49.8°F
- Coldest since 2020
- 15th coldest of 76
- Low
- 38.3°F
- Warmest since 2015
- 2nd warmest of 76
- Precipitation
- 0.04 in
- Wettest since 2025
- 19th wettest of 76
- Normal range, 26.1 to 37.2°F
Every year as a table
Every 29 September high of the county average in Summit County, CO since 1951: 49.8°F in 2026; the highest is 71.1°F, in 2010.
| Year | High, °F | Low, °F |
|---|---|---|
| 2026 | 49.8 | 38.3 |
| 2025 | 57 | 34.2 |
| 2024 | 69.5 | 38 |
| 2023 | 67.4 | 34.9 |
| 2022 | 60.9 | 35.9 |
| 2021 | 57.5 | 36.3 |
| 2020 | 48.9 | 22.3 |
| 2019 | 64.1 | 37.1 |
| 2018 | 64.6 | 33.5 |
| 2017 | 49.9 | 32.8 |
| 2016 | 65.1 | 35 |
| 2015 | 65.6 | 38.6 |
| 2014 | 58 | 38.1 |
| 2013 | 49.3 | 22.1 |
| 2012 | 56.4 | 29.9 |
| 2011 | 64.9 | 35.6 |
| 2010 | 71.1 | 36.6 |
| 2009 | 66.6 | 32.4 |
| 2008 | 62.5 | 33.3 |
| 2007 | 56.9 | 33.5 |
| 2006 | 57.5 | 30.2 |
| 2005 | 51.2 | 33.4 |
| 2004 | 55.4 | 31.4 |
| 2003 | 63.2 | 31.6 |
| 2002 | 53 | 31 |
| 2001 | 68.3 | 38 |
| 2000 | 60.9 | 32.9 |
| 1999 | 36.3 | 16.9 |
| 1998 | 65 | 35 |
| 1997 | 59.3 | 29.2 |
| 1996 | 54.6 | 26.5 |
| 1995 | 47.5 | 34.3 |
| 1994 | 67.8 | 33.8 |
| 1993 | 64.7 | 30.3 |
| 1992 | 62.5 | 29.6 |
| 1991 | 63.1 | 33.9 |
| 1990 | 53.3 | 34.4 |
| 1989 | 66.6 | 35.9 |
| 1988 | 38.5 | 21 |
| 1987 | 57 | 26.3 |
| 1986 | 46.8 | 30.6 |
| 1985 | 36.6 | 15 |
| 1984 | 36.7 | 16.4 |
| 1983 | 59.1 | 34.8 |
| 1982 | 40.9 | 27.4 |
| 1981 | 64 | 38.1 |
| 1980 | 62.9 | 30.8 |
| 1979 | 60.3 | 30.1 |
| 1978 | 63.5 | 34 |
| 1977 | 62.3 | 34 |
| 1976 | 51.8 | 25.8 |
| 1975 | 56.3 | 26.4 |
| 1974 | 52.3 | 24.6 |
| 1973 | 42.2 | 27.8 |
| 1972 | 48.7 | 29.5 |
| 1971 | 56.4 | 32.3 |
| 1970 | 57.3 | 29.7 |
| 1969 | 65.1 | 33.6 |
| 1968 | 56.9 | 29.3 |
| 1967 | 65.6 | 31.6 |
| 1966 | 61.6 | 31.4 |
| 1965 | 49.2 | 29.8 |
| 1964 | 57.1 | 30.6 |
| 1963 | 64.9 | 31.2 |
| 1962 | 50.6 | 34.3 |
| 1961 | 49.1 | 30.2 |
| 1960 | 58.4 | 30.7 |
| 1959 | 33.5 | 19.7 |
| 1958 | 60 | 33.6 |
| 1957 | 67.3 | 33.7 |
| 1956 | 59.7 | 33.5 |
| 1955 | 59.2 | 26.9 |
| 1954 | 56.9 | 32.7 |
| 1953 | 60.5 | 31.5 |
| 1952 | 62.3 | 32.4 |
| 1951 | 58.6 | 36.2 |
The month
September 2026 so far averaged 51.4°F in Summit County, CO, the warmest 1 to 29 September in the county average since 2022, 5th warmest of 76 (county average from NOAA gridded data, 1951 to 2026).
The month in words
- August 2026 averaged 58.4°F in Summit County, CO, the warmest August in the county average since the data begin in 1895 (county average from NOAA's monthly county data, 1895 to 2026).
- Tuesday 29 September 2026: a high of 49.8°F averaged over Summit County, CO, the coldest 29 September day in the county average since 2020, 15th coldest of 76 (county average from NOAA gridded data, 1951 to 2026).
- Tuesday 29 September 2026: 0.04 in of precipitation averaged over Summit County, CO, the wettest 29 September in the county average since 2025, tied 19th wettest of 76 (with 2002) (county average from NOAA gridded data, 1951 to 2026).
- Days of the month without a value
- 0
Nearby
Denver, CO 80.1 mi, the nearest city with its own station