Eldorado weather in January

In January, Eldorado sees average daytime highs of 31°C and overnight lows near 21°C, with 163 mm of rain across 15.9 wet days and about 13.5 hours of daylight. It is the 1st-warmest and 6th-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 34% of the time in January, and the air most often feels oppressive.

Daylight stretches from about 13 h 36 min at the start of January to 13 h 12 min by month's end. Set against the rest of the year, January is Eldorado's 12th-clearest and 10th-windiest month. For the whole year in context, see Eldorado's year-round climate.

Daytime high
31°
1st warmest
Overnight low
21°
12th coldest
Rainfall
163 mm
15.9 wet days
Daylight
13 h 30 min
6:03 AM – 7:32 PM
Cloud cover
59%
12th clearest
Wind
8 km/h
10th windiest
Solar energy
6.25 kWh/m²
Travel score
4.0
out of 10

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 Eldorado reaches about 31°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 34°C. Set against its neighbours, January runs on par with December and on par with February.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13121
23121
33121
43121
53121
63121
73121
83121
93121
103121
113121
123121
133121
143121
153121
163121
173121
183121
193121
203121
213121
223121
233121
243121
253121
263121
273121
283121
293121
303121
313121

How January really feels in Eldorado

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.

Eldorado weather by month

How January compares with the rest of the year at a glance. January is the 1st-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 21°16315.913.54.0
Feb30° / 21°16014.912.94.2
Mar29° / 20°14412.812.25.1
Apr27° / 17°1489.911.46.7
May23° / 14°1719.710.76.9
Jun21° / 13°1639.710.46.6
Jul21° / 12°1359.410.56.8
Aug24° / 13°967.611.17.6
Sep25° / 15°16410.511.86.8
Oct27° / 17°22013.812.65.9
Nov29° / 18°16711.813.35.4
Dec30° / 20°19315.113.64.3

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% of the time in January, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 18% of January, with mostly cloudy or overcast conditions the remaining 48%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14852
24852
34951
44951
54951
65050
75050
85050
95149
105149
115149
125248
135248
145248
155248
165248
175248
185248
195248
205347
215347
225347
235347
245347
255446
265446
275446
285446
295446
305446
315545

Chance of precipitation in January

Any precipitation

Eldorado gets around 163 mm of rain over 15.9 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 52% and peaks near 53% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
153
253
353
453
553
653
753
852
952
1052
1152
1252
1352
1452
1552
1652
1752
1851
1951
2051
2151
2251
2351
2451
2551
2651
2751
2851
2952
3052
3152

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 53% of days. Sticky, muggy-or-worse air turns up on roughly 85% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1141429511
2131429521
3131429521
4131429521
5031429531
6031429531
7031330531
8031330531
9031331521
10031331530
11031232530
12031232530
13031233520
14031133530
15031133530
16031133530
17031134520
18031134520
19031134520
20021134530
21021133540
22021133540
23021133540
24021133540
25021133540
26021133540
27021134530
28021034540
29021034540
30021035530
31021036520

Wind in January

Winds average 8 km/h in January.

Across January, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 13 h 36 min at the start of January to 13 h 12 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 5:53 AM to 6:14 AM, and sunset from 7:31 PM to 7:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.65:537:31
213.65:537:31
313.65:547:31
413.65:557:31
513.65:557:32
613.65:567:32
713.65:577:32
813.65:577:32
913.65:587:32
1013.65:597:32
1113.55:597:32
1213.56:007:32
1313.56:017:32
1413.56:027:32
1513.56:027:32
1613.56:037:32
1713.56:047:32
1813.56:057:32
1913.46:057:32
2013.46:067:32
2113.46:077:32
2213.46:087:32
2313.46:087:32
2413.46:097:31
2513.46:107:31
2613.36:117:31
2713.36:117:31
2813.36:127:30
2913.36:137:30
3013.36:147:30
3113.26:147:29

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 6.25 kWh/m².

For context, solar energy here swings from a low near 2.73 kWh/m² to a high of 6.33 kWh/m² in December across the year — January's 6.25 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.3Intense
26.3Intense
36.3Intense
46.3Intense
56.3Intense
66.3Intense
76.3Intense
86.3Intense
96.3Intense
106.3Intense
116.3Intense
126.3Intense
136.3Intense
146.3Intense
156.3Intense
166.3Intense
176.2Intense
186.2Intense
196.2Intense
206.2Intense
216.2Intense
226.2Intense
236.2Intense
246.1Intense
256.1Intense
266.1Intense
276.1Intense
286.1Intense
296.0Intense
306.0Intense
316.0Intense
Planning a trip in January

Is January a good time to visit Eldorado?

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

4.0
Sightseeing
12th-best month of the year
5.8
Beach & pool
9th-best month of the year

January is a reasonable time to visit Eldorado for sightseeing.

What to pack for Eldorado in January

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

In January, Eldorado sees daytime highs around 31°C and nights near 21°C. Pack light clothes, rain gear and sun protection. About 16 days see rain.

light clothesrain gearsun protection

UV index in Eldorado in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 15 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Eldorado peaks around January 19 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 5 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighModerateHighVery highExtremeJan 19UV 14Jun 23UV 5
UV index (midday)Level
Jan15Extreme
Feb14Extreme
Mar12Extreme
Apr8Very high
May6High
Jun5Moderate
Jul5Moderate
Aug6High
Sep7Very high
Oct9Very high
Nov11Extreme
Dec13Extreme

Air quality in Eldorado in January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January falls, not just the annual average.

Air quality in Eldorado is worst in September — around 20 µg/m³ PM2.5 (moderate), about 2.8× the cleanest month (March, 7 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1619 µg/m³Mar 157 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb8Good
Mar7Good
Apr8Good
May8Good
Jun8Good
Jul10Good
Aug14Moderate
Sep20Moderate
Oct13Moderate
Nov9Good
Dec7Good
Location & terrain

Where is Eldorado?

Eldorado sits at 26.4°S, 54.6°W, 237 m above sea level, in Argentina. The nearest listed city is Montecarlo, 23 km away.

Topography around Eldorado

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

Within 3 km, the terrain around Eldorado has only modest variations in elevation — a maximum elevation change of 104 m around an average of 215 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 271 m; within 80 km, large variations in elevation — a maximum elevation change of 696 m.

The land around Eldorado is covered by trees (73%) within 3 km, trees (78%) within 16 km, and trees (70%) and cropland (23%) within 80 km.

3 km
104 m
16 km
271 m
80 km
696 m
treesgrasslandcroplandartificial surfaceswater
January weather nearby: Montecarlo 23 km · Puerto Esperanza 42 km · Colonia Wanda 48 km · San Vicente 54 km · San Pedro 56 km · Puerto Rico 60 km · Iguazu 90 km · Jardín América 93 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 Eldorado (-26.4045°, -54.6185°, elevation 237 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. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).