El Chalten weather in July

In July, El Chalten sees average daytime highs of -2°C and overnight lows near -7°C, with 219 mm of precipitation across 19.9 wet days and about 8.4 hours of daylight. It is the 11th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near -2°C through the month. The sky is clear or mostly clear about 13% of the time in July, and the air most often feels dry.

Daylight stretches from about 8 hours at the start of July to 8 h 54 min by month's end. Set against the rest of the year, July is El Chalten's 8th-clearest and 10th-windiest month. For the whole year in context, see El Chalten's year-round climate.

Daytime high
-2°
11th warmest
Overnight low
-7°
1st coldest
Precipitation
219 mm
19.9 wet days
Daylight
8 h 24 min
9:47 AM – 6:08 PM
Cloud cover
77%
8th clearest
Wind
7 km/h
10th windiest
Solar energy
1.18 kWh/m²
Travel score
0.0
out of 10

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near -2°C through the month.

A typical July day in El Chalten reaches about -2°C in the afternoon and slips back to -7°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between -6°C and 2°C. Set against its neighbours, July runs on par with June and about 1°C cooler than August.

-15°-10°-5°151015202531
Avg high (°C)Avg low (°C)
1-2-7
2-2-7
3-2-7
4-2-7
5-2-7
6-2-7
7-2-7
8-2-7
9-2-7
10-2-7
11-2-7
12-2-7
13-2-7
14-2-7
15-2-7
16-2-7
17-2-7
18-2-7
19-2-7
20-2-7
21-2-7
22-2-7
23-1-7
24-1-7
25-1-7
26-1-7
27-1-7
28-1-7
29-1-6
30-1-6
31-1-6

How July really feels in El Chalten

Once humidity and wind are folded in, July averages 0 days that feel above 32°C and 31 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
31
25 feel bitter (≤ -10°C)

The story in July is cold — wind chill drags the overnight "feels like" below the raw low.

El Chalten weather by month

How July compares with the rest of the year at a glance. July is the 11th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 25222.819.515.60.8
Feb / 20217.813.614.21.1
Mar / -1°25020.917.312.50.5
Apr / -3°26820.418.810.60.0
May / -4°26520.3208.90.0
Jun-2° / -7°22119.720.680.0
Jul-2° / -7°21919.920.88.40.0
Aug-1° / -6°21520.421.49.80.0
Sep / -5°17919.220.511.60.0
Oct / -4°22819.920.413.50.0
Nov / -2°234212115.10.0
Dec / -1°26222.820.7160.2

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 13% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 8% of July, with mostly cloudy or overcast conditions the remaining 79%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11981
21981
32080
42179
52179
62278
72278
82278
92377
102278
112278
122278
132278
142278
152278
162278
172179
182179
192179
202179
212179
222179
232179
242080
252080
262080
272080
282080
292080
302080
312080

Chance of precipitation in July

Any precipitationSnow

El Chalten gets around 219 mm of rain and snow over 19.9 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 64% and peaks near 67% on the wettest days, and about 21 days bring snow.

0%20%40%60%80%151015202531
Rain chance (%)Snow chance (%)
16568
26468
36467
46467
56367
66366
76366
86266
96265
106265
116265
126265
136266
146366
156366
166366
176467
186467
196568
206568
216668
226669
236669
246669
256769
266769
276769
286769
296669
306669
316669

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

Most of July feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, July lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in July

Winds average 7 km/h in July.

Across July, daily wind ranges from about 6 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
56calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 8 hours at the start of July to 8 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 54 minutes over July. Sunrise moves from 9:54 AM to 9:29 AM, and sunset from 5:55 PM to 6:26 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.09:545:55
28.09:545:56
38.09:545:56
48.19:545:57
58.19:535:58
68.19:535:59
78.19:535:59
88.19:526:00
98.29:526:01
108.29:516:02
118.29:506:03
128.29:506:04
138.39:496:05
148.39:486:06
158.39:476:07
168.49:476:08
178.49:466:09
188.49:456:10
198.59:446:11
208.59:436:12
218.59:426:13
228.69:416:15
238.69:406:16
248.69:386:17
258.79:376:18
268.79:366:20
278.89:356:21
288.89:336:22
298.99:326:23
308.99:316:25
318.99:296:26

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 1.18 kWh/m².

For context, solar energy here swings from a low near 0.97 kWh/m² to a high of 7.27 kWh/m² in December across the year — July's 1.18 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
11.0Dim
21.0Dim
31.0Dim
41.0Dim
51.0Dim
61.1Dim
71.1Dim
81.1Dim
91.1Dim
101.1Dim
111.1Dim
121.1Dim
131.1Dim
141.1Dim
151.1Dim
161.2Dim
171.2Dim
181.2Dim
191.2Dim
201.2Dim
211.3Dim
221.3Dim
231.3Dim
241.3Dim
251.3Dim
261.4Dim
271.4Dim
281.4Dim
291.4Dim
301.5Dim
311.5Dim
Planning a trip in July

Is July a good time to visit El Chalten?

Our two travel scores rate July for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

0.0
Sightseeing
5th-best month of the year
Beach & pool
never really warm enough

July is a weaker month for outdoor sightseeing in El Chalten.

What to pack for El Chalten in July

From July's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In July, El Chalten sees daytime highs around -2°C and nights near -7°C. Pack a warm layer, a heavy coat and rain gear. About 20 days see rain.

a warm layera heavy coatrain gear

UV index in El Chalten in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 1. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in El Chalten peaks around December 23 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeModerateLowModerateHighVery highExtremeDec 23UV 12Jun 19UV 1
UV index (midday)Level
Jan12Extreme
Feb11Extreme
Mar6High
Apr3Moderate
May2Low
Jun1Low
Jul1Low
Aug2Low
Sep4Moderate
Oct7High
Nov8Very high
Dec13Extreme
Location & terrain

Where is El Chalten?

El Chalten sits at 49.3°S, 72.9°W, 0 m above sea level, in Argentina. The nearest listed city is El Calafate, 121 km away.

Puerto NatalesRío GallegosCoyhaiqueLas HerasPuerto AysénPunta ArenasPico Truncado

Topography around El Chalten

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of El Chalten.

Within 3 km, the terrain around El Chalten has significant variations in elevation — a maximum elevation change of 458 m around an average of 530 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 2,616 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,553 m.

The land around El Chalten is covered by grassland (57%) and trees (23%) within 3 km, bare terrain (37%) and grassland (29%) within 16 km, and snow and ice (32%), grassland (25%) and bare terrain (23%) within 80 km.

3 km
458 m
16 km
2,616 m
80 km
3,553 m
treesgrasslandartificial surfacesbare terrainsnow and icewatermoss and lichen
July weather nearby: El Calafate 121 km · Puerto Natales 268 km · Río Gallegos 362 km · Coyhaique 422 km · Las Heras 428 km · Puerto Aysén 437 km · Punta Arenas 448 km · Pico Truncado 462 km

Argentina travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / I
220 V · 50 Hz
Prices
≈ 46% of US
price level, 2025
GDP per capita
$14,898
2025
Happiness
6.4 / 10
World Happiness, 2025
Homicide rate
4.5
per 100k, 2023
Road deaths
14.1
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
High
EF EPI 575
Religion
Roman Catholic 63%none 19%Evangelical 15%Jehovah's Witness and Church of Jesus Christ 1%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for El Chalten (-49.3299°, -72.886°, elevation 0 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).