Sullivan County, MO
: September 2026 so far averaged 73.1°F in Sullivan County, MO, the warmest 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
- 76.7°F
- Warmest since 2025
- 29th warmest of 76
- Low
- 56.1°F
- Warmest since 2025
- 16th warmest of 76
No measurable precipitation in the county average of Sullivan County, MO for 1 day to Tuesday 29 September 2026 (county average from NOAA gridded data, 1951 to 2026).
- Normal range, 37.4 to 58.1°F
Every year as a table
Every 29 September high of the county average in Sullivan County, MO since 1951: 76.7°F in 2026; the highest is 97.8°F, in 1953.
| Year | High, °F | Low, °F |
|---|---|---|
| 2026 | 76.7 | 56.1 |
| 2025 | 86.9 | 58.8 |
| 2024 | 83.6 | 54.8 |
| 2023 | 80.7 | 54.3 |
| 2022 | 66.6 | 37.3 |
| 2021 | 90.3 | 57 |
| 2020 | 62.6 | 44.9 |
| 2019 | 66.1 | 58.9 |
| 2018 | 57.1 | 45.4 |
| 2017 | 75.3 | 46.8 |
| 2016 | 62.2 | 48.1 |
| 2015 | 82.7 | 58.1 |
| 2014 | 82.8 | 56.1 |
| 2013 | 69.1 | 44.6 |
| 2012 | 72.4 | 42.9 |
| 2011 | 79.1 | 56.2 |
| 2010 | 72.5 | 49.6 |
| 2009 | 65.3 | 42.6 |
| 2008 | 79.4 | 58.5 |
| 2007 | 77.3 | 49 |
| 2006 | 61.3 | 43.3 |
| 2005 | 64.2 | 37.3 |
| 2004 | 70.1 | 40.3 |
| 2003 | 59.8 | 35.3 |
| 2002 | 84.9 | 53.2 |
| 2001 | 70.2 | 41.7 |
| 2000 | 76.9 | 48.7 |
| 1999 | 58.5 | 43.8 |
| 1998 | 82 | 63.4 |
| 1997 | 77.8 | 51.6 |
| 1996 | 69.4 | 45.1 |
| 1995 | 78.9 | 50.5 |
| 1994 | 73.2 | 44.9 |
| 1993 | 67.9 | 37.4 |
| 1992 | 60.5 | 35.5 |
| 1991 | 75.9 | 43.4 |
| 1990 | 77.7 | 51.1 |
| 1989 | 74.8 | 42 |
| 1988 | 73.9 | 62 |
| 1987 | 71.2 | 51.9 |
| 1986 | 83.3 | 64.8 |
| 1985 | 58.3 | 46.7 |
| 1984 | 56.2 | 32.4 |
| 1983 | 84.7 | 59 |
| 1982 | 81 | 59.8 |
| 1981 | 73.6 | 45.7 |
| 1980 | 72.8 | 47.6 |
| 1979 | 83.1 | 52.9 |
| 1978 | 71.4 | 44.3 |
| 1977 | 72.6 | 50.1 |
| 1976 | 61.1 | 49.2 |
| 1975 | 67.3 | 48.9 |
| 1974 | 64 | 36.7 |
| 1973 | 72.7 | 53.1 |
| 1972 | 74.1 | 42.5 |
| 1971 | 88.4 | 64.3 |
| 1970 | 77.2 | 44.2 |
| 1969 | 79.2 | 54 |
| 1968 | 75.2 | 51.6 |
| 1967 | 59.7 | 33.3 |
| 1966 | 67.2 | 49.9 |
| 1965 | 77.5 | 54.5 |
| 1964 | 67.3 | 39.4 |
| 1963 | 75.5 | 44.7 |
| 1962 | 70.4 | 41.4 |
| 1961 | 68 | 41.3 |
| 1960 | 69.9 | 48.3 |
| 1959 | 65.5 | 42.1 |
| 1958 | 72 | 44.4 |
| 1957 | 70 | 36.8 |
| 1956 | 85.5 | 53.1 |
| 1955 | 80.4 | 58.1 |
| 1954 | 82.8 | 61.2 |
| 1953 | 97.8 | 64.7 |
| 1952 | 88.1 | 55.8 |
| 1951 | 60.8 | 36.1 |
The month
August 2026 averaged 75.2°F in Sullivan County, MO, the warmest August in the county average since 2021, tied 43rd warmest of 132 (with 2011, 1993, 1957 and 1 other year) (county average from NOAA's monthly county data, 1895 to 2026).
The month in words
- Tuesday 29 September 2026: a high of 76.7°F averaged over Sullivan County, MO, the warmest 29 September in the county average since 2025, 29th warmest of 76 (county average from NOAA gridded data, 1951 to 2026).
- Tuesday 29 September 2026: a low of 56.1°F averaged over Sullivan County, MO, the warmest 29 September night in the county average since 2025, tied 16th warmest of 76 (with 2014) (county average from NOAA gridded data, 1951 to 2026).
- Days of the month without a value
- 0
Nearby
Des Moines, IA 95.8 mi, the nearest city with its own station