Courmayeur weather in May
Italy

May in Courmayeur: cool, rainy, with clean air — a gamble, with 18 rainy days.
#7 of 12 months in Courmayeur · #1250 of 1383 destinations to visit in May · comfort 50/100 (tier D)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Courmayeur in May
Other months in Courmayeur
Courmayeur's forum flags January weather as genuinely volatile given its elevation and mountain setting — regulars say it's not unusual for conditions to shift substantially within the same day. Weekends bring day-trippers up from Milan for the Aosta Valley resorts, and the nearby Cogne and Rhêmes valleys are singled out for excellent cross-country skiing if the downhill slopes get crowded.
Add your own note from Courmayeur's card on the map.
Courmayeur climate normals — May
| Daytime high | 13°C / 55°F | 🙂 cool |
|---|---|---|
| Nighttime low | 5°C / 41°F | |
| Feels like (high) | 12°C / 54°F | |
| Rainfall | 131 mm / 5.2 in | 🌧 rainy |
| Rainy days | 18 days | |
| Humidity | 83% | 💦 very humid |
| Dew point | 6°C / 43°F | |
| Sunshine | 10.7 h/day | |
| Daylight | 14.9 h | |
| Wind | 6 km/h / 4 mph | |
| Snowfall | 44.7 cm / 17.6 in | |
| Air quality (US AQI) | 44 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Courmayeur in May
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Shoulder seasonschool holidays in 4 of the markets that fill it, an ordinary month(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Courmayeur's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherCourmayeur's weather peaks December–February, best around January.
Best weatherFair weatherToughest weather
What's on in Courmayeur in May
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
Snow season
Ski seasonAbout 45 cm of snow falls in the month.
from the climate normals
Nearby, and something's on
Within 300 km of Courmayeur — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Courmayeur?
Courmayeur in May — FAQ
- Is May a good time to visit Courmayeur?
- May in Courmayeur: cool, rainy, with clean air — a gamble, with 18 rainy days. It ranks #7 of 12 months for Courmayeur on SeasonMap's comfort score (50/100).
- What is the weather like in Courmayeur in May?
- In May, Courmayeur averages a daily high of 12.8°C and a low of 4.9°C, with about 131.1 mm of rain over roughly 18.4 rainy days.
- What is the air quality in Courmayeur in May?
- Courmayeur has a mean US Air Quality Index of about 44 in May.
- Does it snow in Courmayeur in May?
- Courmayeur sees roughly 44.7 cm of snowfall in May.
Other months in Courmayeur
Warmer or cooler than Courmayeur in May
Similar destinations in Southern Europe — May
Within 300 km: Montreux's Narcissus on the slopes around 15 May – 10 Jun, and Interlaken's Lake steamers on summer timetable on 9 May – 11 Oct.