Ushuaia weather in January

In January, Ushuaia sees average daytime highs of 11°C and overnight lows near 4°C, with 100 mm of precipitation across 22.4 wet days and about 16.4 hours of daylight. It is the 1st-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 11°C through the month. The sky is clear or mostly clear about 3% of the time in January, and the air most often feels dry.

Daylight stretches from about 17 hours at the start of January to 15 h 42 min by month's end. Set against the rest of the year, January is Ushuaia's 8th-clearest and 3rd-windiest month. For the whole year in context, see Ushuaia's year-round climate.

Daytime high
11°
1st warmest
Overnight low
12th coldest
Precipitation
100 mm
22.4 wet days
Daylight
16 h 30 min
5:28 AM – 9:57 PM
Cloud cover
79%
8th clearest
Wind
10 km/h
3rd windiest
Solar energy
5.37 kWh/m²
Travel score
1.9
out of 10

Ushuaia is capital of Tierra del Fuego in Argentina.

Density
2,471/km²
people per km²
Founded
1884

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 11°C through the month.

A typical January day in Ushuaia reaches about 11°C in the afternoon and slips back to 4°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 8°C and 14°C. Set against its neighbours, January runs about 1°C warmer than December and on par with February.

10°15°151015202531
Avg high (°C)Avg low (°C)
1114
2114
3114
4114
5114
6114
7114
8114
9114
10114
11114
12114
13114
14114
15114
16114
17114
18114
19114
20114
21114
22114
23114
24114
25114
26114
27114
28114
29114
30114
31114

How January really feels in Ushuaia

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.

Ushuaia weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan11° / 10022.4116.41.9
Feb11° / 7617.61.314.72.0
Mar / 7916.8312.61.5
Apr / 6615.26.910.30.5
May / -2°5712.58.78.20.0
Jun / -4°5012.1127.10.0
Jul / -5°4912.212.47.50.0
Aug / -4°501212.39.30.0
Sep / -3°4812.510.711.50.0
Oct / -1°5614.78.313.80.5
Nov / 7618.75.615.91.3
Dec10° / 9921.82.916.91.6

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 3% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 13% of January, with mostly cloudy or overcast conditions the remaining 84%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11486
21486
31486
41486
51486
61486
71486
81585
91486
101486
111486
121486
131585
141585
151684
161684
171684
181783
191882
201882
211882
221882
231981
241981
251981
261981
271981
281981
291981
301981
311981

Chance of precipitation in January

Any precipitationSnow

Ushuaia gets around 100 mm of rain and snow over 22.4 wet days in January, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 71% and peaks near 75% on the wettest days, and about 1 day brings snow.

0%20%40%60%80%151015202531
Rain chance (%)Snow chance (%)
1725
2725
3735
4734
5744
6744
7754
8754
9754
10754
11744
12744
13734
14724
15713
16713
17703
18693
19693
20693
21693
22693
23692
24692
25692
26692
27693
28693
29693
30693
31693

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 10 km/h in January.

Across January, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 17 hours at the start of January to 15 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 78 minutes over January. Sunrise moves from 5:08 AM to 5:56 AM, and sunset from 10:05 PM to 9:37 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
117.05:0810:05
216.95:0910:05
316.95:1010:05
416.95:1110:05
516.95:1210:04
616.85:1310:04
716.85:1510:03
816.85:1610:03
916.75:1710:02
1016.75:1910:02
1116.75:2010:01
1216.65:2210:00
1316.65:2310:00
1416.65:259:59
1516.55:279:58
1616.55:289:57
1716.45:309:56
1816.45:329:55
1916.35:339:54
2016.35:359:53
2116.25:379:51
2216.25:399:50
2316.15:419:49
2416.15:439:48
2516.05:449:46
2616.05:469:45
2715.95:489:43
2815.95:509:42
2915.85:529:40
3015.75:549:39
3115.75:569:37

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.37 kWh/m².

For context, solar energy here swings from a low near 0.52 kWh/m² to a high of 5.87 kWh/m² in December across the year — January's 5.37 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.7Bright
45.7Bright
55.7Bright
65.7Bright
75.6Bright
85.6Bright
95.6Bright
105.5Bright
115.5Bright
125.5Bright
135.4Bright
145.4Bright
155.4Bright
165.3Bright
175.3Bright
185.3Bright
195.3Bright
205.2Bright
215.2Bright
225.2Bright
235.1Bright
245.1Bright
255.1Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
304.9Bright
314.9Bright
Planning a trip in January

Is January a good time to visit Ushuaia?

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

1.9
Sightseeing
2nd-best month of the year
Beach & pool
never really warm enough

January is a weaker month for outdoor sightseeing in Ushuaia.

What to pack for Ushuaia in January

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

In January, Ushuaia sees daytime highs around 11°C and nights near 4°C. Pack a warm layer and rain gear. Worth having: sun protection. About 22 days see rain.

a warm layerrain gearsun protection

Sea temperature near Ushuaia in January

The nearest coast averages about 9°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 64 km away) is warmest in February at about 9°C and coldest in August near 6°C.

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

4°6°8°10°JanFebMarAprMayJunJulAugSepOctNovDecbracing
Sea temperature (°C)Comfort
Jan9Bracing
Feb9Bracing
Mar9Bracing
Apr8Bracing
May8Bracing
Jun7Bracing
Jul6Bracing
Aug6Bracing
Sep6Bracing
Oct6Bracing
Nov7Bracing
Dec8Bracing

UV index in Ushuaia 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 Ushuaia peaks around January 14 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 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 highModerateLowModerateHighJan 14UV 9Jun 19UV 0
UV index (midday)Level
Jan9Very high
Feb7High
Mar3Moderate
Apr2Low
May1Low
Jun0Low
Jul1Low
Aug1Low
Sep2Moderate
Oct4Moderate
Nov6High
Dec8Very high
Location & terrain

Where is Ushuaia?

Ushuaia sits at 54.8°S, 68.3°W, 6 m above sea level, in Argentina. The nearest listed city is Río Grande, 120 km away.

Punta ArenasRío GallegosPuerto NatalesEl CalafateEl ChaltenStanleyPuerto Deseado

Topography around Ushuaia

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

Within 3 km, the terrain around Ushuaia has significant variations in elevation — a maximum elevation change of 422 m around an average of 92 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,443 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,279 m.

The land around Ushuaia is covered by trees (38%) and water (28%) within 3 km, water (34%) and trees (32%) within 16 km, and grassland (31%), trees (30%) and water (23%) within 80 km.

3 km
422 m
16 km
1,443 m
80 km
2,279 m
treesgrasslandartificial surfacesbare terrainsnow and icewater
January weather nearby: Río Grande 120 km · Punta Arenas 250 km · Río Gallegos 360 km · Puerto Natales 441 km · El Calafate 564 km · El Chalten 684 km · Stanley 776 km · Puerto Deseado 803 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 Ushuaia (-54.8108°, -68.3159°, elevation 6 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).