Avellaneda weather in January

In January, Avellaneda sees average daytime highs of 32°C and overnight lows near 21°C, with 139 mm of rain across 10.5 wet days and about 13.7 hours of daylight. It is the 1st-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 46% of the time in January, and the air most often feels muggy.

Daylight stretches from about 13 h 48 min at the start of January to 13 h 24 min by month's end. Set against the rest of the year, January is Avellaneda's 6th-clearest and 10th-windiest month. For the whole year in context, see Avellaneda's year-round climate.

Daytime high
32°
1st warmest
Overnight low
21°
12th coldest
Rainfall
139 mm
10.5 wet days
Daylight
13 h 42 min
6:18 AM – 7:58 PM
Cloud cover
48%
6th clearest
Wind
11 km/h
10th windiest
Solar energy
6.86 kWh/m²
Travel score
4.3
out of 10

Avellaneda is town in Santa Fe Province, Argentina.

Density
25/km²
people per km²
Founded
1879

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 32°C through the month.

A typical January day in Avellaneda reaches about 32°C in the afternoon and slips back to 21°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 36°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°40°151015202531
Avg high (°C)Avg low (°C)
13221
23221
33221
43221
53221
63221
73221
83221
93221
103221
113221
123221
133221
143221
153221
163221
173221
183221
193221
203221
213221
223221
233121
243121
253121
263121
273121
283121
293121
303121
313121

How January really feels in Avellaneda

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.

Avellaneda weather by month

How January compares with the rest of the year at a glance. January is the 1st-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 21°13910.513.74.3
Feb31° / 21°1209.7134.7
Mar29° / 19°1259.612.25.7
Apr26° / 16°1479.411.37.0
May22° / 13°847.410.67.1
Jun20° / 11°67710.26.7
Jul19° / 465.510.37.1
Aug22° / 11°645.7117.7
Sep24° / 13°927.111.87.7
Oct26° / 16°14710.612.76.7
Nov28° / 18°1419.213.56.1
Dec31° / 20°1559.913.84.8

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 46% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 14% of January, with mostly cloudy or overcast conditions the remaining 39%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15842
25842
35842
45941
55941
65842
75941
85941
95941
105941
116040
126040
136040
146139
156139
166139
176238
186238
196238
206238
216238
226337
236337
246337
256337
266337
276337
286337
296238
306238
316238

Chance of precipitation in January

Any precipitation

Avellaneda gets around 139 mm of rain over 10.5 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 33% and peaks near 36% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
132
232
332
432
533
633
733
833
933
1033
1133
1233
1332
1432
1532
1632
1732
1832
1932
2032
2133
2233
2334
2434
2535
2635
2736
2836
2936
3036
3136

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 70% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
13102027337
23102027347
33102027347
43102027347
53102028346
63101928336
73101929336
83101930336
93101930336
103101931325
113101931325
123101932325
13391933324
14391934324
15391934324
16391934314
17381935323
18381935323
19381935323
20381935323
21381935324
22271935324
23271935324
24271935324
25271935334
26261936335
27261836335
28261836335
29261836336
30261736336
31261736327

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 13 h 48 min at the start of January to 13 h 24 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 6:07 AM to 6:30 AM, and sunset from 7:57 PM to 7:54 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.86:077:57
213.86:077:57
313.86:087:57
413.86:097:57
513.86:107:58
613.86:107:58
713.86:117:58
813.86:127:58
913.86:127:58
1013.86:137:58
1113.76:147:58
1213.76:157:58
1313.76:157:58
1413.76:167:58
1513.76:177:58
1613.76:187:58
1713.76:197:58
1813.66:197:58
1913.66:207:58
2013.66:217:58
2113.66:227:57
2213.66:237:57
2313.66:237:57
2413.56:247:57
2513.56:257:56
2613.56:267:56
2713.56:277:56
2813.56:287:55
2913.46:287:55
3013.46:297:54
3113.46:307:54

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 6.86 kWh/m².

For context, solar energy here swings from a low near 2.54 kWh/m² to a high of 6.98 kWh/m² in December across the year — January's 6.86 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
17.0Intense
27.0Intense
37.0Intense
47.0Intense
57.0Intense
67.0Intense
77.0Intense
87.0Intense
97.0Intense
106.9Intense
116.9Intense
126.9Intense
136.9Intense
146.9Intense
156.9Intense
166.9Intense
176.9Intense
186.8Intense
196.8Intense
206.8Intense
216.8Intense
226.8Intense
236.7Intense
246.7Intense
256.7Intense
266.7Intense
276.6Intense
286.6Intense
296.6Intense
306.6Intense
316.5Intense
Planning a trip in January

Is January a good time to visit Avellaneda?

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

4.3
Sightseeing
12th-best month of the year
6.6
Beach & pool
5th-best month of the year

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

What to pack for Avellaneda in January

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

In January, Avellaneda sees daytime highs around 32°C and nights near 21°C. Pack light clothes and sun protection. Worth having: rain gear. About 11 days see rain.

light clothessun protectionrain gear

UV index in Avellaneda 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 Avellaneda peaks around January 24 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighModerateHighVery highExtremeJan 24UV 14Jun 21UV 4
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar11Extreme
Apr7Very high
May5Moderate
Jun4Moderate
Jul4Moderate
Aug6High
Sep7Very high
Oct9Very high
Nov11Extreme
Dec13Extreme
Location & terrain

Where is Avellaneda?

Avellaneda sits at 29.1°S, 59.7°W, 52 m above sea level, in Argentina. The nearest listed city is Reconquista, 4.0 km away.

Topography around Avellaneda

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

Within 3 km, the terrain around Avellaneda has only modest variations in elevation — a maximum elevation change of 23 m around an average of 44 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 37 m; within 80 km, only modest variations in elevation — a maximum elevation change of 70 m.

The land around Avellaneda is covered by cropland (38%) and artificial surfaces (28%) within 3 km, cropland (32%), wetland (26%) and grassland (20%) within 16 km, and trees (31%), grassland (29%) and wetland (22%) within 80 km.

3 km
23 m
16 km
37 m
80 km
70 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
January weather nearby: Reconquista 4.0 km · Goya 38 km · Vera 66 km · Villa Ocampo 76 km · Esquina 101 km · Saladas 139 km · San Lorenzo 140 km · Mercedes 154 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 Avellaneda (-29.1176°, -59.6583°, elevation 52 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).