Río Gallegos weather in January

In January, Río Gallegos sees average daytime highs of 18°C and overnight lows near 8°C, with 42 mm of rain across 10.9 wet days and about 15.9 hours of daylight. It is the 1st-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 18°C through the month. The sky is clear or mostly clear about 12% of the time in January, and the air most often feels dry.

Daylight stretches from about 16 h 18 min at the start of January to 15 h 18 min by month's end. Set against the rest of the year, January is Río Gallegos's 10th-clearest and 3rd-windiest month. For the whole year in context, see Río Gallegos's year-round climate.

Daytime high
18°
1st warmest
Overnight low
12th coldest
Rainfall
42 mm
10.9 wet days
Daylight
15 h 54 min
5:48 AM – 9:44 PM
Cloud cover
70%
10th clearest
Wind
25 km/h
3rd windiest
Solar energy
6.12 kWh/m²
Travel score
5.6
out of 10

Río Gallegos is capital and largest settlement of the Patagonian province of Santa Cruz in Argentina.

Founded
1885

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

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 18°C through the month.

A typical January day in Río Gallegos reaches about 18°C in the afternoon and slips back to 8°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 23°C. Set against its neighbours, January runs about 1°C warmer than December and on par with February.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
1178
2188
3188
4188
5188
6188
7188
8188
9188
10188
11188
12188
13188
14188
15188
16188
17188
18188
19188
20189
21189
22189
23189
24189
25189
26189
27188
28188
29188
30188
31188

How January really feels in Río Gallegos

Once humidity and wind are folded in, January 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

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

Río Gallegos weather by month

How January compares with the rest of the year at a glance. January is the 1st-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan18° / 4210.9015.95.6
Feb18° / 348.2014.45.9
Mar16° / 379012.54.9
Apr12° / 307.4010.43.5
May / 265.90.48.71.7
Jun / -1°225.81.57.70.1
Jul / -1°215.51.58.10.2
Aug / 215.31.19.61.3
Sep11° / 216.10.611.62.7
Oct14° / 226.60.213.64.1
Nov16° / 319.2015.44.8
Dec17° / 4812.2016.35.0

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 12% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 19% of January, with mostly cloudy or overcast conditions the remaining 69%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12476
22575
32575
42575
52575
62674
72773
82773
92773
102872
112971
122971
133070
143070
153070
163268
173268
183268
193367
203367
213367
223367
233466
243466
253565
263565
273565
283565
293565
303664
313664

Chance of precipitation in January

Any precipitation

Río Gallegos gets around 42 mm of rain over 10.9 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 35% and peaks near 42% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
142
242
342
442
542
642
741
841
940
1040
1139
1238
1337
1437
1536
1635
1734
1833
1932
2032
2131
2230
2330
2430
2529
2629
2729
2829
2928
3028
3128

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January 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 January

Winds average 25 km/h in January.

Across January, daily wind ranges from about 24 km/h on the calmest days to 25 km/h at its breeziest. It stays fairly steady from day to day.

0102030151015202531
Wind speed (km/h)Feels
124breezy
224breezy
324breezy
424breezy
524breezy
624breezy
725breezy
825breezy
925breezy
1025breezy
1125breezy
1225breezy
1325breezy
1425breezy
1525breezy
1625breezy
1725breezy
1825breezy
1925breezy
2025breezy
2125breezy
2224breezy
2324breezy
2424breezy
2524breezy
2624breezy
2724breezy
2824breezy
2924breezy
3024breezy
3124breezy

Sunrise & sunset in January

DaylightNight

Daylight runs from about 16 h 18 min at the start of January to 15 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 60 minutes over January. Sunrise moves from 5:30 AM to 6:13 AM, and sunset from 9:50 PM to 9:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
116.35:309:50
216.35:319:50
316.35:329:50
416.35:339:50
516.35:349:50
616.25:359:50
716.25:369:49
816.25:379:49
916.25:399:49
1016.15:409:48
1116.15:419:48
1216.15:439:47
1316.05:449:46
1416.05:459:46
1516.05:479:45
1615.95:489:44
1715.95:509:43
1815.95:519:43
1915.85:539:42
2015.85:549:41
2115.75:569:40
2215.75:589:39
2315.65:599:38
2415.66:019:37
2515.56:039:36
2615.56:049:34
2715.56:069:33
2815.46:089:32
2915.46:099:31
3015.36:119:29
3115.36:139:28

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 6.12 kWh/m².

For context, solar energy here swings from a low near 0.81 kWh/m² to a high of 6.52 kWh/m² in December across the year — January's 6.12 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.4Intense
26.3Intense
36.3Intense
46.3Intense
56.3Intense
66.3Intense
76.3Intense
86.3Intense
96.2Intense
106.2Intense
116.2Intense
126.2Intense
136.2Intense
146.2Intense
156.2Intense
166.2Intense
176.1Intense
186.1Intense
196.1Intense
206.1Intense
216.0Intense
226.0Intense
236.0Intense
246.0Bright
256.0Bright
265.9Bright
275.9Bright
285.9Bright
295.8Bright
305.8Bright
315.8Bright
Planning a trip in January

Is January a good time to visit Río Gallegos?

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

5.6
Sightseeing
2nd-best month of the year
1.9
Beach & pool
1st-best month of the year

January is a reasonable time to visit Río Gallegos for sightseeing.

What to pack for Río Gallegos in January

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

In January, Río Gallegos sees daytime highs around 18°C and nights near 8°C. Pack sun protection. Worth having: rain gear and a windbreaker. About 11 days see rain.

sun protectionrain geara windbreaker

Sea temperature near Río Gallegos in January

The nearest coast averages about 11°C in January — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 26 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
Jan11Bracing
Feb11Bracing
Mar11Bracing
Apr9Bracing
May8Bracing
Jun6Bracing
Jul5Bracing
Aug4Bracing
Sep4Bracing
Oct6Bracing
Nov8Bracing
Dec9Bracing

UV index in Río Gallegos in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Río Gallegos peaks around December 22 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 1 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highModerateLowModerateHighVery highDec 22UV 9Jun 20UV 1
UV index (midday)Level
Jan9Very high
Feb8Very high
Mar4Moderate
Apr2Moderate
May1Low
Jun1Low
Jul1Low
Aug1Low
Sep2Moderate
Oct5Moderate
Nov6High
Dec9Very high
Location & terrain

Where is Río Gallegos?

Río Gallegos sits at 51.6°S, 69.3°W, 1 m above sea level, in Argentina. The nearest listed city is Punta Arenas, 205 km away.

Punta ArenasPuerto NatalesEl CalafateRío GrandeUshuaiaEl ChaltenPuerto DeseadoPico Truncado

Topography around Río Gallegos

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

Within 3 km, the terrain around Río Gallegos has only modest variations in elevation — a maximum elevation change of 18 m around an average of 11 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 162 m; within 80 km, significant variations in elevation — a maximum elevation change of 312 m.

The land around Río Gallegos is covered by artificial surfaces (46%) and grassland (32%) within 3 km, grassland (74%) within 16 km, and grassland (70%) and water (23%) within 80 km.

3 km
18 m
16 km
162 m
80 km
312 m
treesshrubsgrasslandartificial surfacesbare terrainwater
January weather nearby: Punta Arenas 205 km · Puerto Natales 225 km · El Calafate 255 km · Río Grande 262 km · Ushuaia 360 km · El Chalten 362 km · Puerto Deseado 494 km · Pico Truncado 545 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 Gallegos (-51.6253°, -69.2523°, elevation 1 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).