El Chaltén weather / May
El Chaltén weather in May11 years of days, one by one
The season ends: the cold arrives, many shops close or open less, and it is one of the least windy months. In town, highs are around 7°C and lows around 0°C; about 133 mm falls over 14 days with some rain, and there are 9 hours of daylight. At Laguna de los Tres, of 31 days usually 16 are calm, 8 windy and 7 very windy.
High / lowtown
7° / 0°
Rain14 days
133 mm
Gusts over 60 km/htown
4 days
Calm daysLaguna de los Tres
16 of 31
Daylightper day
9 h
May, day by day
In how many of the last 11 years each day of May was calm at Laguna de los Tres: gusts under 50 km/h and little rain from 8 am to 8 pm. Darker means more calm years.
- 16/11
- 25/11
- 33/11
- 46/11
- 56/11
- 67/11
- 78/11
- 84/11
- 96/11
- 104/11
- 116/11
- 127/11
- 134/11
- 146/11
- 156/11
- 165/11
- 176/11
- 185/11
- 196/11
- 204/11
- 215/11
- 224/11
- 233/11
- 245/11
- 254/11
- 267/11
- 276/11
- 288/11
- 296/11
- 307/11
- 317/11
There is no lucky day: the wind changes from year to year. It shows whether the month is even or gets better towards the end.
May, year by year
| Year | Calm / windy / very windy days | Fitz Roy clear | Rain | Snow days | Top gust at the lake | Warmest / coldest |
|---|---|---|---|---|---|---|
| 2026 | 25 / 4 / 2 | 6 days | 65 mm8 days | 0 | 67 km/h | 14° / -6° |
| 2025 | 10 / 14 / 7 | 1 days | 187 mm21 days | 1 | 114 km/h | 11° / -8° |
| 2024 | 26 / 4 / 1 | 14 days | 45 mm5 days | 1 | 60 km/h | 8° / -11° |
| 2023 | 4 / 11 / 16 | 0 days | 205 mm21 days | 1 | 128 km/h | 14° / -6° |
| 2022 | 16 / 8 / 7 | 9 days | 111 mm13 days | 1 | 99 km/h | 13° / -6° |
| 2021 | 17 / 8 / 6 | 6 days | 90 mm13 days | 1 | 120 km/h | 11° / -6° |
| 2020 | 10 / 10 / 11 | 5 days | 187 mm15 days | 0 | 114 km/h | 15° / -2° |
| 2019 | 10 / 11 / 10 | 8 days | 186 mm15 days | 0 | 127 km/h | 13° / -5° |
| 2018 | 12 / 10 / 9 | 7 days | 137 mm15 days | 1 | 129 km/h | 14° / -7° |
| 2017 | 13 / 10 / 8 | 5 days | 166 mm15 days | 0 | 118 km/h | 11° / -7° |
| 2016 | 29 / 2 / 0 | 17 days | 18 mm5 days | 0 | 67 km/h | 8° / -3° |
May records
- The warmest day
- 15.1° 6 May 2020
- The coldest night
- -11.1° 7 May 2024
- The strongest gust at Laguna de los Tres
- 129 km/h 26 May 2018
- The wettest day
- 51.6 mm 11 May 2019
From 2016 to 2026, in town except the gust.
Coming in May? A week before, the El Chaltén 7-day forecast tells you which day suits each hike and where we have spots. To plan the trip, see the best time to visit El Chaltén and what to pack.
Questions about El Chaltén weather in May
What is El Chaltén weather like in May?
In May highs in town are around 7°C and lows around 0°C. About 133 mm falls over some 14 days with rain, mostly drizzle or short showers. There are 9 hours of daylight. Up at Laguna de los Tres (1,170 m) it is about 5° colder.
Is El Chaltén windy in May?
In town there are about 4 days with gusts over 60 km/h. At Laguna de los Tres, from 2016 to 2026, May had on average 16 calm days (gusts under 50 km/h), 8 windy and 7 very windy ones (75 km/h or more, or heavy rain). We go out almost every day even with wind: on the day, the guide decides how far up you go.
Can you see Fitz Roy in May?
Fully clear at summit height, May had on average 7 days from 2016 to 2026. On many other days it shows for a while, through cloud. That is why it pays to have more than one day in El Chaltén and to check the mountain forecast.
Does it snow in El Chaltén in May?
Yes: in town there were on average 1 days of snow (1 cm or more) in May. There is more on the high trails.