Lyon weather in December
December in Lyon: cold, rainy, with very humid — a fair time to visit.
#12 of 12 months in Lyon · #443 of 604 destinations to visit in December · comfort 55/100 (tier D)
Updated June 2026 · climate normals from ERA5 reanalysis
Lyon climate normals — December
| Daytime high | 9°C / 48°F | 🧥 cold |
|---|---|---|
| Nighttime low | 3°C / 37°F | |
| Feels like (high) | 6°C / 43°F | |
| Rainfall | 115 mm / 4.5 in | 🌧 rainy |
| Rainy days | 16 days | |
| Humidity | 87% | 💦 very humid |
| Dew point | 4°C / 39°F | |
| Sunshine | 4.3 h/day | |
| Daylight | 8.7 h | |
| Wind | 16 km/h / 10 mph | |
| Snowfall | 3.1 cm / 1.2 in | |
| Air quality (US AQI) | 51 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Lyon in December — FAQ
- Is December a good time to visit Lyon?
- December in Lyon: cold, rainy, with very humid — a fair time to visit. It ranks #12 of 12 months for Lyon on SeasonMap's comfort score (55/100).
- What is the weather like in Lyon in December?
- In December, Lyon averages a daily high of 9°C and a low of 2.9°C, with about 114.8 mm of rain over roughly 16.2 rainy days.
- What is the air quality in Lyon in December?
- Lyon has a mean US Air Quality Index of about 51 in December.
- Does it snow in Lyon in December?
- Lyon sees roughly 3.1 cm of snowfall in December.