Louisville Climate by Month
Louisville, Kentucky, United States
Hot summers and cold winters, with rain spread through the year.
The climate in Louisville is one of hot summers and cold winters, with rain spread through the year. Afternoon highs range from 44°F (7°C) in January to 89°F (32°C) in July, and January nights average 27°F (-3°C). It gets 47 in (1192 mm) of rain a year, spread across the months.
- Warmest month
- 89°F(32°C)
- Average high, July
- Coldest nights
- 27°F(-3°C)
- Average low, January
- Rain per year
- 47 in(1192 mm)
- No clear rainy season
- Humidity
- 66%
- Sunniest: July
Best and worst months in Louisville
Best for weatherThe most comfortable weather comes in October, with highs around 71°F (22°C) and about 3.2 in (81 mm) of rain a month.
Least pleasantDecember and January are the least pleasant; January is the coldest, with highs of only 44°F (7°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in October.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Louisville weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 44°F(7°C) | 27°F(-3°C) | 3.6 in(92 mm) | 72% | 1.8 |
| FebFebruary | 49°F(9°C) | 29°F(-1°C) | 3.3 in(84 mm) | 62% | 2.6 |
| MarMarch | 58°F(15°C) | 37°F(3°C) | 4.5 in(114 mm) | 63% | 3.7 |
| AprApril | 70°F(21°C) | 46°F(8°C) | 4.9 in(125 mm) | 61% | 4.7 |
| MayMay | 78°F(26°C) | 56°F(14°C) | 5.3 in(134 mm) | 65% | 5.4 |
| JunJune | 86°F(30°C) | 65°F(18°C) | 4.1 in(104 mm) | 66% | 5.9 |
| JulJuly | 89°F(32°C) | 68°F(20°C) | 4.6 in(117 mm) | 69% | 6.0 |
| AugAugust | 88°F(31°C) | 67°F(19°C) | 3.3 in(83 mm) | 68% | 5.6 |
| SepSeptember | 83°F(28°C) | 59°F(15°C) | 2.8 in(72 mm) | 62% | 4.6 |
| OctOctoberBest | 71°F(22°C) | 48°F(9°C) | 3.2 in(81 mm) | 63% | 3.3 |
| NovNovember | 58°F(15°C) | 38°F(3°C) | 3.4 in(87 mm) | 62% | 2.1 |
| DecDecember | 47°F(8°C) | 30°F(-1°C) | 3.9 in(99 mm) | 75% | 1.5 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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