Argentina
El Chaltén in October: weather & travel advice
This month's data profile
Rain shapes the decision
El Chaltén in October is climatically mixed. The average daily high is around 2 °C. With about 24 rainy days it is very wet.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
20/100 · #5
Warmth
#7
Dryness
#7
Sun
#5
Published best categories: none
El Chaltén · OctoberPhoto: Alex Proimos from Sydney, Australia · CC BY 2.0Climate facts
- Average high
- 2 °C
- Average low
- -3 °C
- Rainy days (est.)
- 24 rainy days (est.)
- Sun (est.)
- 6 h/day
- Humidity
- 83 %
Climate evidence with direct month comparison
The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Precipitation mm | Sun h/day (est.) | Humidity % | Wind m/s | Score |
|---|---|---|---|---|---|---|---|---|
| September | 0 | -5 | 23 | 108 | 4.0 | 87 | 5.3 | 17 |
| October (selected) | 2 | -3 | 24 | 123 | 5.6 | 83 | 6.2 | 20 |
| November | 4 | -2 | 25 | 123 | 7.4 | 82 | 6.5 | 21 |
How do the previous and next months compare?
Baseline: October (20/100)
Positive and negative values show the change from the selected month.
| Score Δ | Average high Δ | Average low Δ | Rainy days Δ | Rain Δ | Sun Δ | Humidity Δ | Wind Δ | |
|---|---|---|---|---|---|---|---|---|
| September | -3 | -2 °C | -2 °C | -1 | -14.2 mm | -1.6 h | +3.9 % | -0.9 m/s |
| November | +1 | +1.5 °C | +1.4 °C | +0.8 | +0.4 mm | +1.8 h | -1.6 % | +0.3 m/s |
All twelve months in context
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Where to stay in El Chaltén
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Useful next decisions
Frequently asked questions
How warm is El Chaltén in October?
The average daily high is around 2 °C, with an average daily low of about -3 °C.
Does it rain a lot in El Chaltén in October?
The curated estimate is about 24 rainy days per month, not a directly measured long-term average. Total precipitation averages around 123 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit El Chaltén?
No month in El Chaltén reaches the threshold for a clear recommendation in the climate score; the month comparison above shows the differences.