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Johnson County, KY

: September 2026 so far averaged 74°F in Johnson County, KY, 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
76.8°F
Warmest since 2025
30th warmest of 76
Low
47.5°F
Coldest since 2022
35th coldest of 76

No measurable precipitation in the county average of Johnson County, KY for 5 days to Tuesday 29 September 2026 (county average from NOAA gridded data, 1951 to 2026).

Every 29 September low of the county average in Johnson County, KY since 1951: 47.5°F in 2026; the lowest is 36.6°F, in 1951.
2022: 38.9°F1951: 36.6°F2026: 47.5°F 2026 47.5°F 1951 36.6°F since 2022 1951 2026
  • Normal range, 40.8 to 59.1°F
Every year as a table

Every 29 September high of the county average in Johnson County, KY since 1951: 76.8°F in 2026; the highest is 92.9°F, in 2019.

YearHigh, °FLow, °F
202676.847.5
202583.856
202475.762.2
202376.857
202262.538.9
202182.258.1
20208153.5
201992.963
201872.254.5
201778.450.4
201678.946.9
201581.563.4
201477.556.1
201378.451
201267.359
201174.854.7
201066.149
200971.146.5
200873.853.8
200777.845.4
200662.644.6
200583.851.4
20047253
200365.840.8
200277.553.7
200165.840.3
200071.142.9
199983.360.3
199887.154.9
199772.250.9
199667.744
199578.746.9
199472.243.1
199368.938.2
199272.842.4
199175.539.8
199080.755.9
198972.144.9
198879.754.4
198783.250
198686.863.6
198573.542.6
198453.441.3
198380.645.7
198275.149.4
198171.938.5
198069.549.1
197974.659.6
19787245.1
197770.647.2
197666.249.4
19757046
197476.156.4
197384.663.6
197277.363.3
197186.662
197066.239.1
196971.740.4
196877.845.3
196753.441.1
196668.756.7
196575.646
196462.254
196369.247.6
196259.640.3
196174.544.7
196071.958.7
195989.858.2
195870.444.2
19576347.2
19567145.5
195584.550.6
195488.158
195390.143.1
195284.950.4
195164.436.6

The month

August 2026 averaged 76.2°F in Johnson County, KY, the warmest August in the county average since 2021, tied 21st warmest of 132 (with 2001 and 1938) (county average from NOAA's monthly county data, 1895 to 2026).

The month in words
  • Tuesday 29 September 2026: a high of 76.8°F averaged over Johnson County, KY, the warmest 29 September in the county average since 2025, tied 30th warmest of 76 (with 2023) (county average from NOAA gridded data, 1951 to 2026).
  • Tuesday 29 September 2026: a low of 47.5°F averaged over Johnson County, KY, the coldest 29 September night in the county average since 2022, 35th coldest of 76 (county average from NOAA gridded data, 1951 to 2026).
Days of the month without a value
0

Nearby

Jackson, KY 31.1 mi, the nearest city with its own station