Clay County, IA
Tuesday : a low of 57.7°F averaged over Clay County, IA, the warmest 29 September night in the county average since 1983, 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
- 71.1°F
- Warmest since 2025
- 34th warmest of 76
- Low
- 57.7°F
- Warmest since 1983
- 2nd warmest of 76
No measurable precipitation in the county average of Clay County, IA for 2 days to Tuesday 29 September 2026 (county average from NOAA gridded data, 1951 to 2026).
- Normal range, 33.5 to 51.2°F
Every year as a table
Every 29 September high of the county average in Clay County, IA since 1951: 71.1°F in 2026; the highest is 86.4°F, in 2021.
| Year | High, °F | Low, °F |
|---|---|---|
| 2026 | 71.1 | 57.7 |
| 2025 | 84.4 | 48.8 |
| 2024 | 86.3 | 51 |
| 2023 | 77.4 | 54.6 |
| 2022 | 64.9 | 34.7 |
| 2021 | 86.4 | 55 |
| 2020 | 59.2 | 41.3 |
| 2019 | 67 | 44.8 |
| 2018 | 54.8 | 36 |
| 2017 | 76.4 | 46.7 |
| 2016 | 62.8 | 43.9 |
| 2015 | 78.5 | 50.9 |
| 2014 | 79.7 | 55.1 |
| 2013 | 65.4 | 44.1 |
| 2012 | 76.6 | 40.9 |
| 2011 | 84 | 48 |
| 2010 | 73.5 | 49.5 |
| 2009 | 60.2 | 38.2 |
| 2008 | 71.4 | 50.5 |
| 2007 | 73.9 | 42.2 |
| 2006 | 56.3 | 38.5 |
| 2005 | 58.3 | 34.8 |
| 2004 | 66.7 | 37.9 |
| 2003 | 56.9 | 33.3 |
| 2002 | 64 | 47.2 |
| 2001 | 75.7 | 41.5 |
| 2000 | 80.6 | 46.8 |
| 1999 | 64.9 | 33.5 |
| 1998 | 81.7 | 53.6 |
| 1997 | 72.9 | 49.6 |
| 1996 | 65.4 | 41.1 |
| 1995 | 79.6 | 54.8 |
| 1994 | 70.5 | 40.1 |
| 1993 | 59.4 | 33 |
| 1992 | 57.4 | 30.9 |
| 1991 | 69.4 | 35.1 |
| 1990 | 66.6 | 45.2 |
| 1989 | 78.5 | 45.9 |
| 1988 | 63 | 52.7 |
| 1987 | 71.2 | 49.7 |
| 1986 | 77 | 51.8 |
| 1985 | 41.9 | 34.9 |
| 1984 | 49.2 | 28.5 |
| 1983 | 81.6 | 58.7 |
| 1982 | 75 | 56.7 |
| 1981 | 72.5 | 38.9 |
| 1980 | 77.3 | 49.7 |
| 1979 | 70.2 | 43.2 |
| 1978 | 73.3 | 46.1 |
| 1977 | 69.2 | 47.2 |
| 1976 | 62.5 | 36.3 |
| 1975 | 65.9 | 36.9 |
| 1974 | 62.5 | 28.7 |
| 1973 | 60.5 | 53.2 |
| 1972 | 59.7 | 32.5 |
| 1971 | 72.7 | 44.4 |
| 1970 | 75.5 | 41.5 |
| 1969 | 74.2 | 46.5 |
| 1968 | 61.4 | 43.7 |
| 1967 | 65.5 | 27.9 |
| 1966 | 65.8 | 43.4 |
| 1965 | 64.9 | 44.7 |
| 1964 | 67 | 36.2 |
| 1963 | 68.1 | 38.1 |
| 1962 | 67.3 | 38.3 |
| 1961 | 60.2 | 41.6 |
| 1960 | 65 | 41.7 |
| 1959 | 54.1 | 34.9 |
| 1958 | 73 | 48.9 |
| 1957 | 74.5 | 42.2 |
| 1956 | 65.2 | 35.9 |
| 1955 | 71.2 | 50.7 |
| 1954 | 64 | 51.4 |
| 1953 | 78.6 | 51.4 |
| 1952 | 82.2 | 42.6 |
| 1951 | 56.2 | 37.6 |
The month
September 2026 so far averaged 66.2°F in Clay County, IA, the warmest 1 to 29 September in the county average since 2024, tied 8th warmest of 76 (with 2004) (county average from NOAA gridded data, 1951 to 2026).
The month in words
- August 2026 averaged 70.6°F in Clay County, IA, the warmest August in the county average since 2023, tied 51st warmest of 132 (with 2000, 1990, 1989 and 3 other years) (county average from NOAA's monthly county data, 1895 to 2026).
- Tuesday 29 September 2026: a high of 71.1°F averaged over Clay County, IA, the warmest 29 September in the county average since 2025, 34th warmest of 76 (county average from NOAA gridded data, 1951 to 2026).
- Days of the month without a value
- 0
Nearby
Spencer, IA 6.7 mi, the nearest city with its own station