Santiago del Estero weather in January

In January, Santiago del Estero sees average daytime highs of 33°C and overnight lows near 23°C, with 147 mm of rain across 12.8 wet days and about 13.6 hours of daylight. It is the 1st-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 33°C through the month. The sky is clear or mostly clear about 35% of the time in January, and the air most often feels oppressive.

Daylight stretches from about 13 h 42 min at the start of January to 13 h 18 min by month's end. Set against the rest of the year, January is Santiago del Estero's 12th-clearest and 9th-windiest month. For the whole year in context, see Santiago del Estero's year-round climate.

Daytime high
33°
1st warmest
Overnight low
23°
12th coldest
Rainfall
147 mm
12.8 wet days
Daylight
13 h 36 min
6:39 AM – 8:14 PM
Cloud cover
55%
12th clearest
Wind
10 km/h
9th windiest
Solar energy
6.27 kWh/m²
Travel score
3.2
out of 10

Santiago del Estero is the capital of Santiago del Estero Province in northern Argentina.

Density
119/km²
people per km²
Founded
1553

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 33°C through the month.

A typical January day in Santiago del Estero reaches about 33°C in the afternoon and slips back to 23°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 38°C. Set against its neighbours, January runs on par with December and about 1°C warmer than February.

15°20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13423
23423
33423
43423
53423
63423
73423
83423
93423
103423
113323
123323
133323
143323
153323
163323
173323
183323
193323
203323
213323
223323
233323
243323
253323
263323
273323
283323
293323
303323
313323

How January really feels in Santiago del Estero

Once humidity and wind are folded in, January averages 31 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
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in January is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Santiago del Estero 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 daysDaylight (hours)Travel score
Jan33° / 23°14712.813.63.2
Feb32° / 22°11610.6133.9
Mar30° / 20°12411.312.25.0
Apr27° / 17°688.311.47.0
May23° / 13°224.610.67.8
Jun21° / 10°153.710.37.5
Jul21° / 112.510.48.1
Aug25° / 11°122118.7
Sep28° / 14°283.911.87.6
Oct30° / 18°607.312.75.5
Nov32° / 20°869.313.44.3
Dec33° / 22°13011.713.73.3

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% of the time in January, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 20% of January, with mostly cloudy or overcast conditions the remaining 45%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15347
25347
35347
45347
55347
65347
75347
85446
95446
105446
115446
125545
135545
145545
155545
165545
175545
185644
195644
205644
215644
225644
235644
245644
255743
265644
275644
285644
295644
305743
315743

Chance of precipitation in January

Any precipitation

Santiago del Estero gets around 147 mm of rain over 12.8 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 rain averages around 41% and peaks near 42% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
141
241
342
442
542
642
742
842
942
1041
1141
1241
1341
1441
1541
1641
1741
1841
1941
2041
2141
2241
2341
2441
2541
2642
2742
2842
2942
3042
3142

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the oppressive band about 32% of days. Sticky, muggy-or-worse air turns up on roughly 64% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
15102328322
25102228332
35102228332
44102228333
54102228333
64102228332
74112228332
84112328322
93112328322
103112329322
113122329312
123122330312
133122330312
143112331312
152112331311
162112331311
172112331311
182112331311
192112331321
202112331321
212112331321
222112332321
232112332321
242102232321
253102232321
263102232321
27392232321
28392232332
29392231332
30392231332
31392231322

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
111calm
211calm
311calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 13 h 42 min at the start of January to 13 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 24 minutes over January. Sunrise moves from 6:28 AM to 6:51 AM, and sunset from 8:12 PM to 8:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.76:288:12
213.76:298:12
313.76:308:13
413.76:308:13
513.76:318:13
613.76:328:13
713.76:328:13
813.76:338:14
913.76:348:14
1013.76:348:14
1113.66:358:14
1213.66:368:14
1313.66:378:14
1413.66:378:14
1513.66:388:14
1613.66:398:14
1713.66:408:14
1813.66:408:14
1913.56:418:13
2013.56:428:13
2113.56:438:13
2213.56:448:13
2313.56:448:13
2413.56:458:12
2513.46:468:12
2613.46:478:12
2713.46:488:12
2813.46:488:11
2913.46:498:11
3013.36:508:10
3113.36:518:10

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 6.27 kWh/m².

For context, solar energy here swings from a low near 2.9 kWh/m² to a high of 6.39 kWh/m² in December across the year — January's 6.27 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.5Intense
26.5Intense
36.5Intense
46.5Intense
56.4Intense
66.4Intense
76.4Intense
86.4Intense
96.4Intense
106.4Intense
116.3Intense
126.3Intense
136.3Intense
146.3Intense
156.3Intense
166.3Intense
176.2Intense
186.2Intense
196.2Intense
206.2Intense
216.2Intense
226.2Intense
236.1Intense
246.1Intense
256.1Intense
266.1Intense
276.1Intense
286.1Intense
296.0Intense
306.0Intense
316.0Intense
Planning a trip in January

Hazard calendar for Santiago del Estero

In seasonPeak

In January, Santiago del Estero sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Santiago del Estero's rainy season runs November–April, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is January a good time to visit Santiago del Estero?

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

3.2
Sightseeing
12th-best month of the year
5.8
Beach & pool
10th-best month of the year

January is a weaker month for outdoor sightseeing in Santiago del Estero.

What to pack for Santiago del Estero in January

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

In January, Santiago del Estero sees daytime highs around 33°C and nights near 23°C. Pack light clothes and sun protection. Worth having: rain gear. About 13 days see rain.

light clothessun protectionrain gear

UV index in Santiago del Estero in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Santiago del Estero peaks around January 18 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 4 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeHighModerateHighVery highExtremeJan 18UV 14Jun 23UV 4
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar11Extreme
Apr7Very high
May6High
Jun4Moderate
Jul4Moderate
Aug6High
Sep8Very high
Oct11Extreme
Nov12Extreme
Dec13Extreme
Location & terrain

Where is Santiago del Estero?

Santiago del Estero sits at 27.8°S, 64.3°W, 176 m above sea level, in Argentina. The nearest listed city is Termas de Río Hondo, 68 km away.

Topography around Santiago del Estero

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

Within 3 km, the terrain around Santiago del Estero has only modest variations in elevation — a maximum elevation change of 24 m around an average of 186 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 105 m; within 80 km, significant variations in elevation — a maximum elevation change of 595 m.

The land around Santiago del Estero is covered by artificial surfaces (78%) within 3 km, trees (44%) within 16 km, and trees (44%) and shrubs (34%) within 80 km.

3 km
24 m
16 km
105 m
80 km
595 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Termas de Río Hondo 68 km · Bella Vista 133 km · Aguilares 139 km · Alderetes 140 km · Famaillá 140 km · Monteros 141 km · San Miguel de Tucuman 144 km · Yerba Buena 150 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 Santiago del Estero (-27.8005°, -64.2629°, elevation 176 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).