El Chaltén in August
In August, El Chaltén averages 4°C (40°F) during the day and -1°C (29°F) at night, with frequent rain — about 19 days of the month see precipitation (178 mm total).
Off-peakConditions are cold — pack winter layers. Expect daily rain or showers, often in heavy bursts.
August is one of the wetter and less comfortable months in El Chaltén. If your dates are flexible, consider a different time of year.
How August compares to the rest of the year in El Chaltén
August is one of the coolest months in El Chaltén (10th of 12) and one of the wettest months (1st of 12). Daytime temperature runs 5°C below the annual average (9°C). August runs 2°C warmer than July (3°C) and warms a further 2°C into September (6°C).
August sunrise & sunset in El Chaltén
Times shown for El Chaltén local time (America/Argentina/Rio_Gallegos), calculated for the 15th of August. They shift by a few minutes day to day across the month.
Photography light in El Chaltén — August
Golden-hour and blue-hour windows for the 15th of August, in El Chaltén's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — El Chaltén in August
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on August's tier (Off-peak) and El Chaltén's popularity.
Crowds & pricing — August in El Chaltén
This is off-peak for El Chaltén — the lowest prices of the year and the fewest crowds, but with real trade-offs: some restaurants, hotels, and beach businesses may close for the season; weather conditions can make outdoor activities unpredictable; and a handful of seasonal sights run reduced hours or close entirely. Great if you prefer a quiet local rhythm and don't mind the climate giving you reasons to choose indoor activities.
Why this tier: challenging tourism weather
Sun & mosquito risk — August in El Chaltén
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
🥶 Bitter cold — El Chaltén in August
Gear: Snow rare but air is freezing. Insulated coat, hat, and gloves still required — wind chill is the real enemy.
El Chaltén in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 14°C / 57°F | 7°C / 44°F | 156 mm | 18 | — |
| February | 15°C / 59°F | 7°C / 45°F | 139 mm | 15 | — |
| March | 13°C / 55°F | 6°C / 42°F | 210 mm | 18 | — |
| April | 10°C / 49°F | 3°C / 37°F | 199 mm | 17 | — |
| May | 7°C / 44°F | 1°C / 34°F | 175 mm | 16 | — |
| June | 4°C / 38°F | -2°C / 29°F | 150 mm | 16 | — |
| July | 3°C / 37°F | -3°C / 27°F | 163 mm | 18 | — |
| August | 4°C / 40°F | -1°C / 29°F | 178 mm | 19 | — |
| September | 6°C / 43°F | 0°C / 31°F | 133 mm | 16 | — |
| October | 9°C / 48°F | 2°C / 35°F | 135 mm | 16 | — |
| November | 11°C / 52°F | 4°C / 39°F | 167 mm | 16 | — |
| December | 13°C / 56°F | 6°C / 42°F | 190 mm | 18 | — |
Other cities with similar August weather
🌍 See the full ranked list of climate twins for El Chaltén in August →
Frequently asked questions
How hot is El Chaltén in August?
In August, El Chaltén averages a high of 4°C (40°F) and a low of -1°C (29°F) — generally cold.
Does it rain a lot in El Chaltén in August?
August is quite rainy in El Chaltén, with about 19 rainy days on average.
Is August a good time to visit El Chaltén?
August is cold but on the rainy side. It suits travelers who are comfortable with cold weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for El Chaltén in August?
Pack heavy winter layers, a coat, hat and gloves, plus a compact umbrella or rain jacket. See the full August packing list for El Chaltén for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.