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Best Time for Kentucky: Bourbon & Mammoth Cave
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Sweet spot: March, April, May. Computed from NASA POWER climate normals across the route's overnight towns, balancing temperature, rainfall and daylight.
💡 Good to know
- Foaling season in the bluegrass paddocks, rickhouse tours in barrel-sweet air, and the first Saturday in May running the Derby if you time it.
- The cave holds a constant 12°C — the best air-conditioning in Kentucky — while distillery tastings move to shaded porches.
| Month | Low | High | Rain | Daylight | |
|---|---|---|---|---|---|
| January | −4.3°C | 4.4°C | 88 mm | 9.6 h | ❄ |
| February | −3.3°C | 6.5°C | 98 mm | 10.6 h | ❄ |
| March | 1.6°C | 12.7°C | 111 mm | 11.7 h | ❄ |
| April | 7.4°C | 19.2°C | 131 mm | 13.0 h | |
| May | 13.3°C | 23.6°C | 136 mm | 14.1 h | |
| June | 17.9°C | 27.9°C | 112 mm | 14.6 h | |
| July | 19.9°C | 29.8°C | 126 mm | 14.4 h | |
| August | 19.1°C | 30.2°C | 92 mm | 13.5 h | |
| September | 14.9°C | 27.2°C | 94 mm | 12.2 h | |
| October | 8.0°C | 20.1°C | 106 mm | 11.0 h | |
| November | 1.5°C | 12.8°C | 96 mm | 9.9 h | |
| December | −2.3°C | 6.7°C | 114 mm | 9.4 h | ❄ |