Trinity County, CA
: September 2026 so far averaged 57.9°F in Trinity County, CA, the coldest 1 to 29 September in the county average since the data begin in 1951 (county average from NOAA gridded data, 1951 to 2026).
Last updated . This page normally updates every day; the latest update is late.
- High
- 73.2°F
- Coldest since 2025
- 30th coldest of 76
- Low
- 41.3°F
- Coldest since 2021
- 12th coldest of 76
No measurable precipitation in the county average of Trinity County, CA for 4 days to Tuesday 29 September 2026 (county average from NOAA gridded data, 1951 to 2026).
- Normal range, 39.7 to 54.1°F
Every year as a table
Every 29 September high of the county average in Trinity County, CA since 1951: 73.2°F in 2026; the highest is 93.2°F, in 2010.
| Year | High, °F | Low, °F |
|---|---|---|
| 2026 | 73.2 | 41.3 |
| 2025 | 72.1 | 48.2 |
| 2024 | 88.3 | 53.9 |
| 2023 | 70.6 | 41.7 |
| 2022 | 71 | 46.3 |
| 2021 | 60.5 | 34.6 |
| 2020 | 92.4 | 56.1 |
| 2019 | 54.2 | 35.8 |
| 2018 | 87.4 | 51.4 |
| 2017 | 81.5 | 51.3 |
| 2016 | 87.9 | 54.6 |
| 2015 | 82.9 | 51.2 |
| 2014 | 68.5 | 45.7 |
| 2013 | 69.1 | 45.2 |
| 2012 | 87.3 | 51.9 |
| 2011 | 86.1 | 47.3 |
| 2010 | 93.2 | 56 |
| 2009 | 79.5 | 40.5 |
| 2008 | 90.6 | 52.3 |
| 2007 | 58.3 | 34.5 |
| 2006 | 86.1 | 52.2 |
| 2005 | 85.2 | 49.5 |
| 2004 | 82.8 | 47.3 |
| 2003 | 90.1 | 50.1 |
| 2002 | 76.4 | 41.8 |
| 2001 | 70.8 | 39.2 |
| 2000 | 78.2 | 47.7 |
| 1999 | 80.4 | 44.5 |
| 1998 | 72.6 | 42.6 |
| 1997 | 85.3 | 50.9 |
| 1996 | 88.4 | 54 |
| 1995 | 59.5 | 39.8 |
| 1994 | 70.7 | 44.8 |
| 1993 | 86.5 | 51.4 |
| 1992 | 89.5 | 54 |
| 1991 | 84.5 | 50.7 |
| 1990 | 84.9 | 56.2 |
| 1989 | 77.1 | 47.2 |
| 1988 | 83.9 | 47.4 |
| 1987 | 87.3 | 48.9 |
| 1986 | 63.8 | 38.7 |
| 1985 | 79.1 | 47.8 |
| 1984 | 81.6 | 45.7 |
| 1983 | 72.6 | 46.2 |
| 1982 | 63.6 | 41.8 |
| 1981 | 60.2 | 43.6 |
| 1980 | 81.7 | 47.4 |
| 1979 | 81.1 | 50.5 |
| 1978 | 77.6 | 47.6 |
| 1977 | 61.3 | 54.6 |
| 1976 | 70 | 53.5 |
| 1975 | 81.1 | 44.9 |
| 1974 | 82.3 | 42.9 |
| 1973 | 82.6 | 48.1 |
| 1972 | 68.5 | 47.4 |
| 1971 | 54.8 | 45.3 |
| 1970 | 83.2 | 48.3 |
| 1969 | 79.8 | 51.9 |
| 1968 | 82.7 | 46.6 |
| 1967 | 88.2 | 52.1 |
| 1966 | 90.2 | 51.8 |
| 1965 | 68.2 | 40.6 |
| 1964 | 77.4 | 42 |
| 1963 | 84.9 | 51 |
| 1962 | 54.9 | 45.1 |
| 1961 | 71 | 37.8 |
| 1960 | 84.7 | 50.1 |
| 1959 | 63 | 42 |
| 1958 | 90.2 | 50.3 |
| 1957 | 57.6 | 51.1 |
| 1956 | 76 | 45.7 |
| 1955 | 71.3 | 41.2 |
| 1954 | 69.9 | 41.1 |
| 1953 | 69.1 | 44.3 |
| 1952 | 89 | 50.3 |
| 1951 | 62.6 | 51.4 |
The month
August 2026 averaged 73.1°F in Trinity County, CA, the warmest August in the county average since 2022, 5th warmest of 132 (county average from NOAA's monthly county data, 1895 to 2026).
The month in words
- Tuesday 29 September 2026: a high of 73.2°F averaged over Trinity County, CA, the coldest 29 September day in the county average since 2025, 30th coldest of 76 (county average from NOAA gridded data, 1951 to 2026).
- Tuesday 29 September 2026: a low of 41.3°F averaged over Trinity County, CA, the coldest 29 September night in the county average since 2021, 12th coldest of 76 (county average from NOAA gridded data, 1951 to 2026).
- Days of the month without a value
- 0
Nearby
Redding, CA 43.8 mi, the nearest city with its own station