Louisville/Jefferson County, KY Weather & Climate Normals
Louisville/Jefferson County's real weather, in one number
Louisville/Jefferson County, KY scores 48/100 on this site's reading of NOAA's own 30-year normals: strongly seasonal. Comfortable weather is limited to a shorter window; summers, winters, or precipitation swing wide. 5 of the year's 12 months average between 55 and 75°F, the range this site counts as mild.
Louisville/Jefferson County's hottest and coldest months
Louisville/Jefferson County's hottest month is Jul, averaging 78°F; its coldest is Jan, averaging 34°F, a 43.4°F swing across the year, a middling gap by national standards.
Louisville/Jefferson County's weather across the year
| Month | Avg high | Avg low | Precip | Snow |
|---|---|---|---|---|
| Jan | 42°F | 26°F | 3.83in | 4.6in |
| Feb | 47°F | 29°F | 3.71in | 4.7in |
| Mar | 57°F | 37°F | 5.12in | 2.6in |
| Apr | 68°F | 46°F | 5.34in | 0.1in |
| May | 77°F | 56°F | 5.79in | 0in |
| Jun | 84°F | 64°F | 4.86in | 0in |
| Jul | 87°F | 68°F | 4.68in | 0in |
| Aug | 87°F | 67°F | 3.33in | 0in |
| Sep | 81°F | 59°F | 3.84in | 0in |
| Oct | 70°F | 48°F | 4.19in | 0in |
| Nov | 57°F | 38°F | 3.86in | 0.4in |
| Dec | 46°F | 30°F | 4.56in | 2.7in |
Apr, May, Jun, Sep, and Oct are the best time to see Louisville/Jefferson County at its mildest; the rest of the year, plan around Jul's heat and Jan's cold.
Rain and snow in Louisville/Jefferson County
Louisville/Jefferson County averages 53.11in of precipitation a year across roughly 134 days with measurable rain or snow, and 15.1in of snow a year.
Where Louisville/Jefferson County ranks
Louisville/Jefferson County ranks 2289 of 4876 US cities in this dataset for comfort score, and 55 of 79 within KY. About 640,796 people live there.
If you need tomorrow's forecast, not the 30-year average
Everything above is a 30-year average from Louisville Wfo, KY US, 3.5 miles from Louisville/Jefferson County, not a prediction for any specific day.
More on how this is worked out
How the comfort score is calculated · Why some cities show no snow or rain figure