Outdoor activities Potential
Suboptimal
Based on optimal climate
Seasonality
April, October, November
Avoid (Extreme Weather)
Weather
Avg Temp Range
Precipitation
Generally dry
Good For
Explore Argentina
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🥾 Planning a hiking trip to Aconcagua?
The best time to visit Aconcagua for hiking is April, October, November, when trail conditions are most favorable and the weather is more stable. If you're planning your trip around this period, it can be helpful to look into where to stay and how to organize your hikes in advance.
Climate Heatmap
See at a glance which months offer the best outdoor activities conditions — based on temperature, rainfall and climate scores.
Summer offers the most reliable hiking conditions in Aconcagua, with open trails and longer daylight hours.
→ See where to stay in AconcaguaOutdoor activities conditions breakdown
Monthly weather & climate data for Aconcagua
| Month | Climate Score | Predictability | Avg Temp | Rain (mm) |
|---|---|---|---|---|
January | 49Poor Cool temperatures. Mostly dry conditions. | Predictability 100Weather conditions are fairly consistent throughout the year. | 5° | 14 |
February | 49Poor Cool temperatures. Mostly dry conditions. | Predictability 100Weather conditions are fairly consistent throughout the year. | 4° | 11 |
March | 51Suboptimal Cool temperatures. Mostly dry conditions. | Predictability 100Weather conditions are fairly consistent throughout the year. | 4° | 14 |
April | 56Suboptimal Cool temperatures. Mostly dry conditions. | Predictability 100Weather conditions are fairly consistent throughout the year. | 1° | 25 |
May | 44Poor Cool temperatures. High rain conditions. | Predictability 100Weather conditions are fairly consistent throughout the year. | -2° | 108 |
June | 47Poor Cool temperatures. Mostly dry conditions. | Predictability 100Weather conditions are fairly consistent throughout the year. | -6° | 39 |
July | 50Suboptimal Cool temperatures. Mostly dry conditions. | Predictability 100Weather conditions are fairly consistent throughout the year. | -6° | 31 |
August | 48Poor Cool temperatures. Some rain conditions. | Predictability 100Weather conditions are fairly consistent throughout the year. | -5° | 60 |
September | 53Suboptimal Cool temperatures. Mostly dry conditions. | Predictability 100Weather conditions are fairly consistent throughout the year. | -4° | 26 |
October | 54Suboptimal Cool temperatures. Mostly dry conditions. | Predictability 100Weather conditions are fairly consistent throughout the year. | -2° | 20 |
November | 54Suboptimal Cool temperatures. Mostly dry conditions. | Predictability 100Weather conditions are fairly consistent throughout the year. | 1° | 8 |
December | 54Suboptimal Cool temperatures. Mostly dry conditions. | Predictability 100Weather conditions are fairly consistent throughout the year. | 4° | 8 |
Source: Historical climate averages (30-year observation).
Quick summary: visiting Aconcagua
When is the best time to visit Aconcagua for outdoor activities?
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When is the rainy season in Aconcagua?
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Other spots in Argentina
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🗺️ Plan your hiking trip to Aconcagua
Now you know the best time to visit Aconcagua for hiking — here are some useful next steps to help plan your trip.
🏨 Where to stay
Find accommodations close to hiking trails and key areas.
🥾 Hiking & Tours
Explore popular trails, guided hikes, and outdoor activities.
🎒 Preparation tips
Learn what to pack and how to prepare for your hikes.