Zum Inhalt springen / Skip to content

Argentina

El Chaltén in August: weather & travel advice

This month's data profile

Rain shapes the decision

El Chaltén in August 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

13/100 · #9

Warmth

#10

Dryness

#8

Sun

#9

Published best categories: none

The Fitz Roy massif above El ChalténEl Chaltén · AugustPhoto: Alex Proimos from Sydney, Australia · CC BY 2.0

Climate facts

Average high
-2 °C
Average low
-7 °C
Rainy days (est.)
24 rainy days (est.)
Sun (est.)
3 h/day
Humidity
91 %

Climate evidence with direct month comparison

The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.

Climate averages for El Chaltén: selected and adjacent months
MonthAvg high °CAvg low °CRainy days (est.)Precipitation mmSun h/day (est.)Humidity %Wind m/sScore
July-3-8231281.5914.513
August (selected)-2-7241232.5914.913
September0-5231084.0875.317

How do the previous and next months compare?

Baseline: August (13/100)

Positive and negative values show the change from the selected month.

Score ΔAverage high ΔAverage low ΔRainy days ΔRain ΔSun ΔHumidity ΔWind Δ
July±0-1.2 °C-0.8 °C-0.7+5.3 mm-1 h+0.2 %-0.4 m/s
September+4+2 °C+1.8 °C-1.2-14.4 mm+1.5 h-3.7 %+0.4 m/s

All twelve months in context

Rainy days (estimated)
26
J
22
F
25
M
24
A
23
M
23
J
23
J
24
A
23
S
24
O
25
N
26
D
Sunshine hours (estimated)h/day
8
J
7
F
5
M
3
A
2
M
1
J
2
J
3
A
4
S
6
O
7
N
8
D
Average daily high°C
6
J
6
F
5
M
3
A
0
M
-2
J
-3
J
-2
A
0
S
2
O
4
N
5
D
The Fitz Roy massif above El Chaltén

Find a place to stay

Where to stay in El Chaltén

Compare available stays, prices and cancellation terms for El Chaltén on Booking.com.

Booking.comFind places to stay

Affiliate link: there is no extra cost to you.

Useful next decisions

El Chaltén · Month by month

Frequently asked questions

How warm is El Chaltén in August?

The average daily high is around -2 °C, with an average daily low of about -7 °C.

Does it rain a lot in El Chaltén in August?

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.