Louisville weather in December
December in Louisville: cold, rainy, with clean air — a good time to visit.
#10 of 12 months in Louisville · #582 of 897 destinations to visit in December · comfort 64/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Louisville in December
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Louisville climate normals — December
| Daytime high | 10°C / 50°F | 🧥 cold |
|---|---|---|
| Nighttime low | 2°C / 35°F | |
| Rainfall | 97 mm / 3.8 in | 🌧 rainy |
| Rainy days | 11 days | |
| Humidity | 74% | 💧 humid |
| Dew point | 0°C / 32°F | |
| Sunshine | 5.3 h/day | |
| Daylight | 9.6 h | |
| Wind | 15 km/h / 9 mph | |
| Snowfall | 1.9 cm / 0.7 in | |
| Air quality (US AQI) | 31 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Louisville in December — FAQ
- Is December a good time to visit Louisville?
- December in Louisville: cold, rainy, with clean air — a good time to visit. It ranks #10 of 12 months for Louisville on SeasonMap's comfort score (64/100).
- What is the weather like in Louisville in December?
- In December, Louisville averages a daily high of 9.9°C and a low of 1.7°C, with about 96.6 mm of rain over roughly 11.2 rainy days.
- What is the air quality in Louisville in December?
- Louisville has a mean US Air Quality Index of about 31 in December.
- Does it snow in Louisville in December?
- Louisville sees roughly 1.9 cm of snowfall in December.