Circo de los AltaresCirco de los Altares at a Glance
Things to Do
Nearby Attractions to Circo de los Altares
When to Go
Best Time to Visit Circo de los Altares
Visit in the austral summer for the most reliable access; shoulder seasons are riskier but quieter.
Austral Summer
Dec-Feb · -5-8°C (23-46°F) near the ice field
Best window for access with longer daylight and milder conditions, though still cold and changeable.
Shoulder Seasons
Nov, Mar · -8-5°C (18-41°F)
Fewer visitors but more unstable weather and variable ice conditions; requires flexible scheduling.
Weather & Climate near Circo de los Altares
Climate
Circo de los Altares's climate is classified as Tundra - Tundra climate with cold summers (peaking in January) and freezing winters (coldest in July). Temperatures range from -7°C to 9°C. Abundant rainfall (1248 mm/year), wettest in April.
Air Quality:
AQI 57
Moderate
Temperature & Rainfall
Temperature Range
9°
Warmest Month
-7°
Coldest Month
Monthly Conditions
| Month | Comfort | Temp | Feels | Rain | Sky | Humidity | Wind | UV | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | - | 1° - 9° | 0° | 114 mm | - | - | 10.2 m/s | - | - |
| February | - | 1° - 9° | 0° | 122 mm | - | - | 9.0 m/s | - | - |
| March | - | -1° - 8° | -2° | 124 mm | - | - | 8.6 m/s | - | - |
| April | - | -3° - 5° | -5° | 125 mm | - | - | 8.7 m/s | - | - |
| May | - | -5° - 2° | -9° | 99 mm | - | - | 8.1 m/s | - | - |
| June | - | -7° - -1° | -11° | 102 mm | - | - | 7.9 m/s | - | - |
| July | - | -7° - -1° | -11° | 102 mm | - | - | 7.6 m/s | - | - |
| August | - | -7° - 0° | -11° | 92 mm | - | - | 7.8 m/s | - | - |
| September | - | -5° - 2° | -8° | 72 mm | - | - | 8.6 m/s | - | - |
| October | - | -3° - 5° | -5° | 96 mm | - | - | 9.5 m/s | - | - |
| November | - | -2° - 7° | -4° | 96 mm | - | - | 9.9 m/s | - | - |
| December | - | 0° - 8° | -2° | 104 mm | - | - | 10.4 m/s | - | - |
Getting There & Around
How to Get to Circo de los Altares
Circo de los Altares is in the Patagonian icefields between Argentine and Chilean southern regions. Access commonly involves long overland travel and boat crossings from base towns such as El Chaltén or Puerto Natales; many visitors join organized expedition boats or guided tours that handle permits and logistics.
Tips for Visiting Circo de los Altares
- If planning to visit Circo de los Altares by boat, book through an experienced operator-weather and ice conditions determine feasibility.
- Bring high-quality cold-weather gear and expect remoteness: navigation on the Southern Patagonian Ice Field is serious and conditions change fast.
- For photographers, dawn and dusk make the granite cirques glow; midday light on glacial ice is harsh and contrasty.