Las Heras weather in October

In October, Las Heras sees average daytime highs of 18°C and overnight lows near 6°C, with 15 mm of precipitation across 3.8 wet days and about 13.3 hours of daylight. It is the 6th-warmest and 9th-wettest month of the year here.

Highs climb over the month, from about 16°C in the first days to 19°C by the end. The sky is clear or mostly clear about 38% of the time in October, and the air most often feels dry.

Daylight stretches from about 12 h 30 min at the start of October to 14 h 06 min by month's end. Set against the rest of the year, October is Las Heras's 9th-clearest and 4th-windiest month. For the whole year in context, see Las Heras's year-round climate.

Daytime high
18°
6th warmest
Overnight low
6th coldest
Precipitation
15 mm
3.8 wet days
Daylight
13 h 24 min
6:40 AM – 8:01 PM
Cloud cover
51%
9th clearest
Wind
22 km/h
4th windiest
Solar energy
5.88 kWh/m²
Travel score
6.7
out of 10

Las Heras is city in Santa Cruz, Argentina.

Density
194/km²
people per km²
Founded
1914

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 16°C in the first days to 19°C by the end.

A typical October day in Las Heras reaches about 18°C in the afternoon and slips back to 6°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 23°C. Set against its neighbours, October runs about 4°C warmer than September and about 3°C cooler than November.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
1165
2165
3165
4165
5165
6175
7176
8176
9176
10176
11176
12176
13176
14186
15186
16186
17186
18186
19187
20187
21187
22187
23197
24197
25197
26197
27197
28197
29197
30207
31207

How October really feels in Las Heras

Once humidity and wind are folded in, October averages 0 days that feel above 32°C and 0 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
0
wind chill below the day's low

October sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Las Heras weather by month

How October compares with the rest of the year at a glance. October is the 6th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan25° / 12°82.5015.28.3
Feb24° / 12°142.60148.3
Mar21° / 10°173.1012.47.7
Apr16° / 173.90.110.76.1
May11° / 244.819.23.4
Jun / 275.82.58.41.2
Jul / -0°184.52.38.81.2
Aug10° / 205.11.6102.7
Sep14° / 194.70.811.64.6
Oct18° / 153.80.313.36.7
Nov21° / 162.9014.87.6
Dec23° / 11°133.2015.68.1

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 38% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 18% of October, with mostly cloudy or overcast conditions the remaining 44%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15347
25347
35347
45446
55347
65347
75446
85545
95446
105446
115545
125545
135545
145545
155545
165644
175644
185644
195644
205743
215743
225743
235842
245941
255941
265941
275941
286139
296139
306040
316040

Chance of precipitation in October

Any precipitationSnow

Las Heras gets around 15 mm of rain and snow over 3.8 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 12% and peaks near 14% on the wettest days, and about 0 day brings snow.

0%10%20%30%151015202531
Rain chance (%)Snow chance (%)
1142
2132
3132
4132
5132
6132
7121
8121
9121
10121
11111
12111
13111
14111
15111
16111
17111
18111
19121
20121
21121
22131
23131
24131
25130
26130
27120
28120
29120
30120
31120

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October 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 October

Winds average 22 km/h in October.

Across October, daily wind ranges from about 20 km/h on the calmest days to 23 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
120light breeze
220light breeze
320breezy
420breezy
521breezy
621breezy
721breezy
821breezy
921breezy
1022breezy
1122breezy
1222breezy
1322breezy
1422breezy
1523breezy
1623breezy
1723breezy
1823breezy
1923breezy
2023breezy
2123breezy
2223breezy
2323breezy
2423breezy
2523breezy
2623breezy
2723breezy
2823breezy
2923breezy
3023breezy
3123breezy

Sunrise & sunset in October

DaylightNight

Daylight runs from about 12 h 30 min at the start of October to 14 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 96 minutes over October. Sunrise moves from 7:09 AM to 6:15 AM, and sunset from 7:40 PM to 8:23 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.57:097:40
212.67:077:42
312.67:057:43
412.77:037:45
512.77:017:46
612.86:597:47
712.96:577:49
812.96:557:50
913.06:537:52
1013.06:517:53
1113.16:497:54
1213.16:477:56
1313.26:467:57
1413.26:447:59
1513.36:428:00
1613.46:408:01
1713.46:388:03
1813.56:368:04
1913.56:358:06
2013.66:338:07
2113.66:318:09
2213.76:308:10
2313.76:288:12
2413.86:268:13
2513.86:258:15
2613.96:238:16
2713.96:218:17
2814.06:208:19
2914.06:188:20
3014.16:178:22
3114.16:158:23

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 5.88 kWh/m².

For context, solar energy here swings from a low near 1.36 kWh/m² to a high of 8.04 kWh/m² in December across the year — October's 5.88 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.9Bright
35.0Bright
45.0Bright
55.1Bright
65.2Bright
75.3Bright
85.3Bright
95.4Bright
105.5Bright
115.5Bright
125.6Bright
135.7Bright
145.8Bright
155.8Bright
165.9Bright
176.0Bright
186.0Intense
196.1Intense
206.2Intense
216.2Intense
226.3Intense
236.3Intense
246.4Intense
256.5Intense
266.5Intense
276.6Intense
286.6Intense
296.7Intense
306.7Intense
316.8Intense
Planning a trip in October

Is October a good time to visit Las Heras?

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

6.7
Sightseeing
6th-best month of the year
2.1
Beach & pool
6th-best month of the year

October is a reasonable time to visit Las Heras for sightseeing.

What to pack for Las Heras in October

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

In October, Las Heras sees daytime highs around 18°C and nights near 6°C. Worth packing: a warm layer, sun protection and a windbreaker. About 4 days see rain.

a warm layersun protectiona windbreaker

UV index in Las Heras in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Las Heras peaks around December 24 at about 11 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateLowModerateHighVery highDec 24UV 11Jun 19UV 1
UV index (midday)Level
Jan11Extreme
Feb10Very high
Mar6High
Apr3Moderate
May2Low
Jun1Low
Jul1Low
Aug2Low
Sep3Moderate
Oct6High
Nov8Very high
Dec11Extreme
Location & terrain

Where is Las Heras?

Las Heras sits at 46.5°S, 68.9°W, 324 m above sea level, in Argentina. The nearest listed city is Pico Truncado, 80 km away.

CoyhaiquePuerto DeseadoPuerto AysénEl ChaltenEsquel

Topography around Las Heras

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

Within 3 km, the terrain around Las Heras has only modest variations in elevation — a maximum elevation change of 38 m around an average of 334 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 462 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,258 m.

The land around Las Heras is covered by grassland (44%), bare terrain (30%) and artificial surfaces (21%) within 3 km, grassland (65%) and bare terrain (30%) within 16 km, and grassland (69%) and bare terrain (23%) within 80 km.

3 km
38 m
16 km
462 m
80 km
1,258 m
shrubsgrasslandartificial surfacesbare terrainwater
October weather nearby: Pico Truncado 80 km · Caleta Olivia 108 km · Comodoro Rivadavia 134 km · Coyhaique 265 km · Puerto Deseado 266 km · Puerto Aysén 317 km · El Chalten 428 km · Esquel 445 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 Las Heras (-46.5413°, -68.9323°, elevation 324 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).