Dayton, KY Weather & Climate Normals
What a normal year in Dayton actually looks like
On the 30-year record NOAA keeps for Dayton, KY, the comfort score comes out to 50/100, strongly seasonal: Comfortable weather is limited to a shorter window; summers, winters, or precipitation swing wide. Only 5 months a year land in the 55–75°F range this site treats as mild.
How much Dayton's weather actually swings
Average temperatures in Dayton run from 32°F in Jan up to 76°F in Jul, a 43.8°F seasonal swing, a middling gap by national standards.
Dayton, month by month
| Month | Avg high | Avg low | Precip |
|---|---|---|---|
| Jan | 41°F | 24°F | 2.86in |
| Feb | 45°F | 26°F | 2.79in |
| Mar | 55°F | 33°F | 3.94in |
| Apr | 67°F | 43°F | 4.37in |
| May | 75°F | 53°F | 4.7in |
| Jun | 83°F | 61°F | 4.61in |
| Jul | 87°F | 65°F | 4.39in |
| Aug | 86°F | 64°F | 3.39in |
| Sep | 80°F | 56°F | 3.07in |
| Oct | 68°F | 44°F | 3.05in |
| Nov | 55°F | 34°F | 2.91in |
| Dec | 45°F | 28°F | 3.32in |
If you're timing a visit, May, Jun, Aug, Sep, and Oct are Dayton's mildest stretch; if you're moving there, you should plan around Jul's heat and Jan's cold instead.
How wet Dayton actually gets
Dayton averages 43.4in of precipitation a year across roughly 132 days with measurable rain or snow; the nearest NOAA station does not record snowfall, so no snow figure is shown rather than guessed.
Dayton against the rest of the country
Out of 4876 cities scored here, Dayton comes in at 1971; within KY alone it ranks 47 of 79. Population is about 5,854.
Checking the actual forecast
These figures come from Cincinnati Lunken Ap, OH US, the NOAA station 2.4 miles from Dayton, averaged over 30 years, not tomorrow's forecast.
More on how this is worked out
Why some cities show no snow or rain figure · What a 30-year climate normal actually is