El Chaltén weather in May
May in El Chaltén: cold, soaked, with clean air — a gamble, with 21 rainy days.
#9 of 12 months in El Chaltén · #827 of 897 destinations to visit in May · comfort 59/100 (tier D)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on El Chaltén in May
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El Chaltén climate normals — May
| Daytime high | 5°C / 41°F | 🧥 cold |
|---|---|---|
| Nighttime low | 1°C / 34°F | |
| Rainfall | 258 mm / 10.1 in | ⛈ soaked |
| Rainy days | 21 days | |
| Humidity | 83% | 💦 very humid |
| Dew point | 0°C / 32°F | |
| Sunshine | 4.7 h/day | |
| Daylight | 9 h | |
| Wind | 9 km/h / 6 mph | |
| Snowfall | 129.4 cm / 50.9 in | |
| Air quality (US AQI) | 23 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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El Chaltén in May — FAQ
- Is May a good time to visit El Chaltén?
- May in El Chaltén: cold, soaked, with clean air — a gamble, with 21 rainy days. It ranks #9 of 12 months for El Chaltén on SeasonMap's comfort score (59/100).
- What is the weather like in El Chaltén in May?
- In May, El Chaltén averages a daily high of 5.1°C and a low of 1.1°C, with about 257.7 mm of rain over roughly 21 rainy days.
- What is the air quality in El Chaltén in May?
- El Chaltén has a mean US Air Quality Index of about 23 in May.
- Does it snow in El Chaltén in May?
- El Chaltén sees roughly 129.4 cm of snowfall in May.