Monaco weather in May
May in Monaco: nice, a little rain, with very humid — one of the best months to visit.
#1 of 12 months in Monaco · #138 of 604 destinations to visit in May · comfort 88/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Monaco climate normals — May
| Daytime high | 20°C / 69°F | 😎 nice |
|---|---|---|
| Nighttime low | 14°C / 57°F | |
| Feels like (high) | 22°C / 72°F | |
| Rainfall | 74 mm / 2.9 in | 🌦 some rain |
| Rainy days | 15 days | |
| Humidity | 78% | 💦 very humid |
| Dew point | 14°C / 58°F | |
| Sunshine | 11.9 h/day | |
| Daylight | 14.7 h | |
| Wind | 12 km/h / 7 mph | |
| Snowfall | 0.1 cm / 0 in | |
| Air quality (US AQI) | 58 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Monaco in May — FAQ
- Is May a good time to visit Monaco?
- May in Monaco: nice, a little rain, with very humid — one of the best months to visit. It ranks #1 of 12 months for Monaco on SeasonMap's comfort score (88/100).
- What is the weather like in Monaco in May?
- In May, Monaco averages a daily high of 20.4°C and a low of 13.9°C, with about 73.8 mm of rain over roughly 14.8 rainy days.
- What is the air quality in Monaco in May?
- Monaco has a mean US Air Quality Index of about 58 in May.