Monaco weather in December
December in Monaco: cool, rainy, with clean air — a great time to visit.
#12 of 12 months in Monaco · #280 of 604 destinations to visit in December · comfort 71/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Monaco climate normals — December
| Daytime high | 13°C / 55°F | 🙂 cool |
|---|---|---|
| Nighttime low | 7°C / 45°F | |
| Feels like (high) | 11°C / 52°F | |
| Rainfall | 99 mm / 3.9 in | 🌧 rainy |
| Rainy days | 9 days | |
| Humidity | 83% | 💦 very humid |
| Dew point | 7°C / 45°F | |
| Sunshine | 6.1 h/day | |
| Daylight | 9 h | |
| Wind | 11 km/h / 7 mph | |
| Snowfall | 3.2 cm / 1.3 in | |
| Air quality (US AQI) | 38 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Monaco in December — FAQ
- Is December a good time to visit Monaco?
- December in Monaco: cool, rainy, with clean air — a great time to visit. It ranks #12 of 12 months for Monaco on SeasonMap's comfort score (71/100).
- What is the weather like in Monaco in December?
- In December, Monaco averages a daily high of 13°C and a low of 7.3°C, with about 98.8 mm of rain over roughly 9.4 rainy days.
- What is the air quality in Monaco in December?
- Monaco has a mean US Air Quality Index of about 38 in December.
- Does it snow in Monaco in December?
- Monaco sees roughly 3.2 cm of snowfall in December.