Río Grande weather in October

In October, Río Grande sees average daytime highs of 8°C and overnight lows near 4°C, with 22 mm of precipitation across 6.3 wet days and about 13.8 hours of daylight. It is the 7th-warmest and 12th-wettest month of the year here.

Highs climb over the month, from about 8°C in the first days to 9°C by the end. The sky is clear or mostly clear about 18% of the time in October, and the air most often feels dry.

Daylight stretches from about 12 h 42 min at the start of October to 14 h 48 min by month's end. Set against the rest of the year, October is Río Grande's 8th-clearest and 6th-windiest month. For the whole year in context, see Río Grande's year-round climate.

Daytime high
7th warmest
Overnight low
6th coldest
Precipitation
22 mm
6.3 wet days
Daylight
13 h 48 min
6:23 AM – 8:09 PM
Cloud cover
66%
8th clearest
Wind
28 km/h
6th windiest
Solar energy
4.71 kWh/m²
Travel score
1.6
out of 10

Río Grande is city in Tierra del Fuego, Argentina.

Density
4/km²
people per km²
Founded
1921

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 8°C in the first days to 9°C by the end.

A typical October day in Río Grande reaches about 8°C in the afternoon and slips back to 4°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 10°C. Set against its neighbours, October runs about 2°C warmer than September and about 2°C cooler than November.

10°15°151015202531
Avg high (°C)Avg low (°C)
173
283
383
483
583
683
783
883
983
1083
1184
1284
1384
1484
1584
1684
1784
1884
1994
2094
2194
2294
2394
2494
2594
2694
2794
2894
2995
3095
3195

How October really feels in Río Grande

Once humidity and wind are folded in, October 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
wind chill below the day's low

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

Río Grande weather by month

How October compares with the rest of the year at a glance. October is the 7th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan13° / 4912.3016.23.3
Feb13° / 389.1014.63.5
Mar12° / 449.6012.52.9
Apr / 399.20.110.32.0
May / 357.90.28.40.9
Jun / 296.617.30.0
Jul / 276.91.57.70.0
Aug / 266.41.19.40.1
Sep / 246.20.511.50.7
Oct / 226.30.313.81.6
Nov10° / 308.3015.72.4
Dec12° / 4210.3016.72.9

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 18% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 20% of October, with mostly cloudy or overcast conditions the remaining 62%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13961
24060
33961
43961
53862
63862
73862
83862
93862
103862
113862
123862
133961
143961
153961
163961
173961
183862
193763
203862
213862
223862
233763
243862
253862
263664
273763
283763
293763
303763
313664

Chance of precipitation in October

Any precipitation

Río Grande gets around 22 mm of rain and snow over 6.3 wet days in October, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 21% and peaks near 22% on the wettest days, and about 0 day brings snow.

0%10%20%30%151015202531
Rain chance (%)
120
220
321
421
521
621
721
822
922
1021
1121
1221
1321
1421
1521
1621
1720
1820
1920
2020
2120
2219
2319
2419
2520
2620
2720
2820
2921
3021
3121

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 28 km/h in October.

Across October, daily wind ranges from about 25 km/h on the calmest days to 29 km/h at its breeziest. It stays fairly steady from day to day.

0102030151015202531
Wind speed (km/h)Feels
125breezy
225breezy
325breezy
426breezy
526breezy
626breezy
726breezy
827breezy
927breezy
1027breezy
1128breezy
1228breezy
1328breezy
1428breezy
1529breezy
1629breezy
1729breezy
1829breezy
1929breezy
2029windy
2129windy
2229windy
2329breezy
2429breezy
2529breezy
2629breezy
2729breezy
2829breezy
2929breezy
3029breezy
3129breezy

Sunrise & sunset in October

DaylightNight

Daylight runs from about 12 h 42 min at the start of October to 14 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 126 minutes over October. Sunrise moves from 6:59 AM to 5:51 AM, and sunset from 7:40 PM to 8:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.76:597:40
212.86:577:42
312.86:547:44
412.96:527:46
513.06:497:48
613.06:477:50
713.16:457:51
813.26:427:53
913.36:407:55
1013.36:377:57
1113.46:357:59
1213.56:328:01
1313.56:308:03
1413.66:288:05
1513.76:258:07
1613.86:238:09
1713.86:218:11
1813.96:188:13
1914.06:168:15
2014.06:148:17
2114.16:128:18
2214.26:098:20
2314.36:078:22
2414.36:058:24
2514.46:038:26
2614.56:018:28
2714.55:598:30
2814.65:578:32
2914.75:558:34
3014.75:538:36
3114.85:518:38

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 4.71 kWh/m².

For context, solar energy here swings from a low near 0.63 kWh/m² to a high of 6.66 kWh/m² in December across the year — October's 4.71 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
13.8Moderate
23.9Moderate
33.9Moderate
44.0Moderate
54.0Bright
64.1Bright
74.2Bright
84.2Bright
94.3Bright
104.3Bright
114.4Bright
124.5Bright
134.5Bright
144.6Bright
154.6Bright
164.7Bright
174.8Bright
184.8Bright
194.9Bright
204.9Bright
215.0Bright
225.1Bright
235.1Bright
245.2Bright
255.2Bright
265.3Bright
275.3Bright
285.4Bright
295.4Bright
305.5Bright
315.5Bright
Planning a trip in October

Is October a good time to visit Río Grande?

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

1.6
Sightseeing
7th-best month of the year
Beach & pool
never really warm enough

October is a weaker month for outdoor sightseeing in Río Grande.

What to pack for Río Grande in October

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

In October, Río Grande sees daytime highs around 8°C and nights near 4°C. Pack a warm layer. Worth having: sun protection and a windbreaker. About 6 days see rain.

a warm layersun protectiona windbreaker

Sea temperature near Río Grande in October

The nearest coast averages about 5°C in October — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 19 km away) is warmest in February at about 11°C and coldest in August near 4°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

5°10°JanFebMarAprMayJunJulAugSepOctNovDecbracing
Sea temperature (°C)Comfort
Jan10Bracing
Feb11Bracing
Mar10Bracing
Apr9Bracing
May8Bracing
Jun6Bracing
Jul5Bracing
Aug4Bracing
Sep4Bracing
Oct5Bracing
Nov7Bracing
Dec9Bracing

UV index in Río Grande in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Río Grande peaks around January 13 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 0 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highModerateLowModerateHighVery highJan 13UV 8Jun 18UV 0
UV index (midday)Level
Jan8Very high
Feb7Very high
Mar4Moderate
Apr2Low
May1Low
Jun0Low
Jul1Low
Aug1Low
Sep2Moderate
Oct4Moderate
Nov6High
Dec8Very high
Location & terrain

Where is Río Grande?

Río Grande sits at 53.8°S, 67.7°W, 9 m above sea level, in Argentina. The nearest listed city is Ushuaia, 120 km away.

Punta ArenasRío GallegosPuerto NatalesEl CalafateEl ChaltenPuerto DeseadoStanley

Topography around Río Grande

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

Within 3 km, the terrain around Río Grande has only modest variations in elevation — a maximum elevation change of 20 m around an average of 6 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 102 m; within 80 km, large variations in elevation — a maximum elevation change of 953 m.

The land around Río Grande is covered by water (37%), artificial surfaces (29%) and grassland (26%) within 3 km, grassland (48%) and water (48%) within 16 km, and grassland (51%) and water (30%) within 80 km.

3 km
20 m
16 km
102 m
80 km
953 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
October weather nearby: Ushuaia 120 km · Punta Arenas 223 km · Río Gallegos 262 km · Puerto Natales 395 km · El Calafate 494 km · El Chalten 611 km · Puerto Deseado 683 km · Stanley 702 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 Río Grande (-53.7877°, -67.7097°, elevation 9 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).