Santa Fe weather in January

In January, Santa Fe sees average daytime highs of 31°C and overnight lows near 20°C, with 112 mm of rain across 8.7 wet days and about 13.8 hours of daylight. It is the 1st-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 51% of the time in January, and the air most often feels muggy.

Daylight stretches from about 14 hours at the start of January to 13 h 30 min by month's end. Set against the rest of the year, January is Santa Fe's 2nd-clearest and 10th-windiest month. For the whole year in context, see Santa Fe's year-round climate.

Daytime high
31°
1st warmest
Overnight low
20°
12th coldest
Rainfall
112 mm
8.7 wet days
Daylight
13 h 54 min
6:16 AM – 8:08 PM
Cloud cover
43%
2nd clearest
Wind
11 km/h
10th windiest
Solar energy
7.16 kWh/m²
Travel score
5.0
out of 10

Santa Fe is city in and capital of Santa Fe Province, Argentina.

Density
1,460/km²
people per km²
Founded
1573

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 31°C through the month.

A typical January day in Santa Fe reaches about 31°C in the afternoon and slips back to 20°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 35°C. Set against its neighbours, January runs about 1°C warmer than December and about 1°C warmer than February.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13120
23120
33120
43120
53120
63120
73120
83120
93120
103120
113120
123120
133120
143120
153120
163120
173120
183120
193120
203120
213120
223120
233120
243120
253120
263020
273020
283020
293020
303020
313020

Santa Fe weather by month

How January compares with the rest of the year at a glance. January is the 1st-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 20°1128.713.85.0
Feb29° / 20°1188.713.25.6
Mar28° / 18°1388.212.26.7
Apr24° / 15°1148.611.27.3
May20° / 12°746.110.47.0
Jun18° / 445.1106.4
Jul17° / 374.510.16.3
Aug20° / 484.910.87.3
Sep22° / 11°655.811.87.5
Oct25° / 14°1329.612.87.1
Nov27° / 16°1167.913.66.9
Dec29° / 19°1358.9145.6

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 51% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 15% of January, with mostly cloudy or overcast conditions the remaining 34%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16337
26337
36337
46436
56436
66535
76535
86634
96733
106634
116733
126733
136832
146733
156733
166733
176832
186733
196733
206733
216733
226733
236634
246634
256535
266535
276535
286535
296436
306337
316337

Chance of precipitation in January

Any precipitation

Santa Fe gets around 112 mm of rain over 8.7 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 28% and peaks near 31% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
128
228
328
428
528
628
728
828
928
1028
1128
1228
1327
1427
1527
1627
1727
1826
1926
2026
2127
2227
2327
2428
2528
2629
2729
2830
2930
3031
3131

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the muggy band about 33% of days. Sticky, muggy-or-worse air turns up on roughly 57% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
16152231251
26152231251
36152131261
46152131261
56152231261
66152230261
76142230261
86142330261
96142330251
106142430251
117132430241
126132531241
136132631231
146122632231
156122732221
166122733211
176122733211
186122834201
195112834201
205112835201
215112835201
225112835201
234112836201
244112737201
254112637201
264112638201
274112538211
284122438211
294122438212
304122338212
314122338222

Wind in January

Winds average 11 km/h in January.

Across January, daily wind ranges from about 11 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
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 14 hours at the start of January to 13 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 30 minutes over January. Sunrise moves from 6:05 AM to 6:30 AM, and sunset from 8:07 PM to 8:03 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.06:058:07
214.06:068:07
314.06:068:07
414.06:078:08
514.06:088:08
614.06:098:08
714.06:098:08
814.06:108:08
914.06:118:08
1013.96:128:08
1113.96:128:08
1213.96:138:08
1313.96:148:08
1413.96:158:08
1513.96:168:08
1613.96:168:08
1713.86:178:08
1813.86:188:07
1913.86:198:07
2013.86:208:07
2113.86:218:07
2213.76:228:06
2313.76:238:06
2413.76:238:06
2513.76:248:05
2613.76:258:05
2713.66:268:05
2813.66:278:04
2913.66:288:04
3013.66:298:03
3113.56:308:03

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 7.16 kWh/m².

For context, solar energy here swings from a low near 2.45 kWh/m² to a high of 7.22 kWh/m² in December across the year — January's 7.16 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.2Intense
27.2Intense
37.2Intense
47.2Intense
57.2Intense
67.2Intense
77.2Intense
87.2Intense
97.3Intense
107.3Intense
117.3Intense
127.3Intense
137.3Intense
147.3Intense
157.2Intense
167.2Intense
177.2Intense
187.2Intense
197.2Intense
207.2Intense
217.1Intense
227.1Intense
237.1Intense
247.0Intense
257.0Intense
267.0Intense
276.9Intense
286.9Intense
296.8Intense
306.8Intense
316.7Intense
Planning a trip in January

Is January a good time to visit Santa Fe?

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

5.0
Sightseeing
12th-best month of the year
7.2
Beach & pool
3rd-best month of the year

January is a reasonable time to visit Santa Fe for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Santa Fe in January

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

In January, Santa Fe sees daytime highs around 31°C and nights near 20°C. Pack light clothes and sun protection. Worth having: rain gear. About 9 days see rain.

light clothessun protectionrain gear

UV index in Santa Fe 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 Santa Fe peaks around January 17 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 3 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeModerateHighVery highExtremeJan 17UV 13Jun 21UV 3
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar11Extreme
Apr7High
May4Moderate
Jun3Moderate
Jul3Moderate
Aug5Moderate
Sep7High
Oct9Very high
Nov11Extreme
Dec13Extreme
Location & terrain

Where is Santa Fe?

Santa Fe sits at 31.6°S, 60.7°W, 21 m above sea level, in Argentina. The nearest listed city is Santo Tomé, 6.0 km away.

Topography around Santa Fe

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

Within 3 km, the terrain around Santa Fe has only modest variations in elevation — a maximum elevation change of 21 m around an average of 17 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 51 m; within 80 km, only modest variations in elevation — a maximum elevation change of 116 m.

The land around Santa Fe is covered by artificial surfaces (58%) within 3 km, grassland (29%) and cropland (20%) within 16 km, and cropland (58%) and grassland (22%) within 80 km.

3 km
21 m
16 km
51 m
80 km
116 m
treesgrasslandcroplandartificial surfaceswaterwetland
January weather nearby: Santo Tomé 6.0 km · Paraná 19 km · Esperanza 31 km · Coronda 41 km · Diamante 47 km · Crespo 57 km · Gálvez 64 km · Rafaela 86 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 Santa Fe (-31.6488°, -60.7087°, elevation 21 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).